Discover your future at Citi Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you'll have the opportunity to grow your career, give back to your community and make a real impact. Job Overview Engineer the future of global finance. At Citi, our Tech team doesn't just support finance - we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From deploying advanced AI to helping shape global markets, we build systems that matter. Look to join a team where your work helps influence economies, your ideas can drive innovation and outcomes, and your growth is backed by mentorship, continuous learning and flexibility with potential hybrid work opportunities. Help solve real world challenges that touch millions and get the opportunity to build the future of finance with Citi Tech. The Lead Java Developer is a senior level position responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to lead applications systems analysis and programming activities. Responsibilities Lead delivery of Real Time and On Demand Risk enhancements for the Credit Business by partnering directly with London based trading, MQA, Market Risk, and technology teams. Own the full development lifecycle: architecture, design, implementation, automated testing strategies, release execution, and ongoing production support. Drive alignment of RT/OD workflows with EOD Risk strategy, ensuring functional parity, reconciliation, and controlled cutover. Lead adoption and build out of RT/OD capabilities on strategic risk platform, including integration of new analytics, workflows, and risk datasets. Deliver significant performance improvements through optimized risk calculation strategies. Guide the migration of compute workloads to AWS, implementing best practices for scalability, throughput, resiliency, and cost efficiency. Collaborate actively with NAM and APAC teams in a follow the sun model to improve delivery velocity, reduce operational risk, and ensure rapid triage of production incidents. Provide user facing updates, demos, documentation, and education to promote adoption and ensure successful rollout of new capabilities. Lead root cause analysis on production issues, drive long term stability improvements, and strengthen monitoring and observability across the platform. Recommended Experience Strong experience in Core Java, J2EE, Spring Framework Exposure to Python scripting and data analysis Experience in fast moving Capital Markets Front Office technology environment with experience in Fixed Income products Working knowledge of Front Office Risk calculations, especially for Credit products Experience in building highly scalable and distributed applications using Microservices, APIs, and Container technologies such as Docker, Kubernetes, OpenShift, etc. Strong expertise in messaging technologies such as Kafka, JMS, gRPC etc Proficient in latency measurement and performance optimization of Java based platforms with focus on JVM tuning Experience with observability stacks like ELK, Prometheus, Grafana, Kiali, Jaeger etc. Sound knowledge for persistence technologies such as relational databases, NoSQL databases, off heap storages and distributed caches Hands on knowledge of Linux / Unix Experience working with senior Quants and Technology Managers Good verbal and written communication Education Bachelor's degree/University degree or equivalent experience Master's degree preferred What we'll provide you By joining Citi, you will not only be part of a business casual workplace with a hybrid working model (up to 2 days working at home per week), but also receive a competitive base salary (which is annually reviewed), and enjoy a whole host of additional benefits such as: 27 days annual leave (plus bank holidays) Discretional annual performance related bonus Private Medical Care & Life Insurance Employee Assistance Program Pension Plan Paid Parental Leave Special discounts for employees, family, and friends Access to an array of learning and development resources Visit ourGlobal Benefitspage to learn more. Alongside these benefits Citi is committed to ensuring our workplace is where everyone feels comfortable coming to work as their whole self, every day. We want the best talent around the world to be energized to join us, motivated to stay and empowered to thrive. Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law. If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review Accessibility at Citi. View Citi's EEO Policy Statement and the Know Your Rights poster.
Apr 15, 2026
Full time
Discover your future at Citi Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you'll have the opportunity to grow your career, give back to your community and make a real impact. Job Overview Engineer the future of global finance. At Citi, our Tech team doesn't just support finance - we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From deploying advanced AI to helping shape global markets, we build systems that matter. Look to join a team where your work helps influence economies, your ideas can drive innovation and outcomes, and your growth is backed by mentorship, continuous learning and flexibility with potential hybrid work opportunities. Help solve real world challenges that touch millions and get the opportunity to build the future of finance with Citi Tech. The Lead Java Developer is a senior level position responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to lead applications systems analysis and programming activities. Responsibilities Lead delivery of Real Time and On Demand Risk enhancements for the Credit Business by partnering directly with London based trading, MQA, Market Risk, and technology teams. Own the full development lifecycle: architecture, design, implementation, automated testing strategies, release execution, and ongoing production support. Drive alignment of RT/OD workflows with EOD Risk strategy, ensuring functional parity, reconciliation, and controlled cutover. Lead adoption and build out of RT/OD capabilities on strategic risk platform, including integration of new analytics, workflows, and risk datasets. Deliver significant performance improvements through optimized risk calculation strategies. Guide the migration of compute workloads to AWS, implementing best practices for scalability, throughput, resiliency, and cost efficiency. Collaborate actively with NAM and APAC teams in a follow the sun model to improve delivery velocity, reduce operational risk, and ensure rapid triage of production incidents. Provide user facing updates, demos, documentation, and education to promote adoption and ensure successful rollout of new capabilities. Lead root cause analysis on production issues, drive long term stability improvements, and strengthen monitoring and observability across the platform. Recommended Experience Strong experience in Core Java, J2EE, Spring Framework Exposure to Python scripting and data analysis Experience in fast moving Capital Markets Front Office technology environment with experience in Fixed Income products Working knowledge of Front Office Risk calculations, especially for Credit products Experience in building highly scalable and distributed applications using Microservices, APIs, and Container technologies such as Docker, Kubernetes, OpenShift, etc. Strong expertise in messaging technologies such as Kafka, JMS, gRPC etc Proficient in latency measurement and performance optimization of Java based platforms with focus on JVM tuning Experience with observability stacks like ELK, Prometheus, Grafana, Kiali, Jaeger etc. Sound knowledge for persistence technologies such as relational databases, NoSQL databases, off heap storages and distributed caches Hands on knowledge of Linux / Unix Experience working with senior Quants and Technology Managers Good verbal and written communication Education Bachelor's degree/University degree or equivalent experience Master's degree preferred What we'll provide you By joining Citi, you will not only be part of a business casual workplace with a hybrid working model (up to 2 days working at home per week), but also receive a competitive base salary (which is annually reviewed), and enjoy a whole host of additional benefits such as: 27 days annual leave (plus bank holidays) Discretional annual performance related bonus Private Medical Care & Life Insurance Employee Assistance Program Pension Plan Paid Parental Leave Special discounts for employees, family, and friends Access to an array of learning and development resources Visit ourGlobal Benefitspage to learn more. Alongside these benefits Citi is committed to ensuring our workplace is where everyone feels comfortable coming to work as their whole self, every day. We want the best talent around the world to be energized to join us, motivated to stay and empowered to thrive. Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law. If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review Accessibility at Citi. View Citi's EEO Policy Statement and the Know Your Rights poster.
Synechron is a leading digital transformation consulting firm dedicated to delivering innovative technology solutions within banking, financial services, and insurance. We thrive on engineering excellence, collaboration, and a passion for cutting edge technologies. Job Location: London (Hybrid - 3 days in the office) About the role: We are seeking a highly experienced Senior Java Developer with over 10 years of hands on Java development experience and extensive exposure to AI/ML driven systems. The ideal candidate will design, build, and scale enterprise grade applications while integrating modern AI capabilities such as machine learning models, generative AI, and intelligent automation into backend systems. Key Responsibilities Design, develop, and maintain high-performance, scalable Java applications using modern frameworks. Architect and implement AI-enabled solutions, integrating ML/AI models into Java based platforms. Collaborate with data scientists and AI engineers to productionize machine learning and generative AI models. Build and maintain RESTful and event-driven APIs for AI powered services. Lead technical design discussions, perform code reviews, and mentor junior developers. Optimize application performance, security, and reliability in cloud and distributed environments. Implement best practices for CI/CD, DevOps, and MLOps pipelines. Work closely with product, architecture, and business teams to translate requirements into technical solutions. Stay current with emerging technologies in AI, cloud computing, and Java ecosystems. Job Requirements Core Java & Backend Development 10+ years of experience in Java (Java 8+) and enterprise application development Strong experience with Spring / Spring Boot, Hibernate/JPA Solid understanding of microservices architecture and distributed systems Experience with REST APIs, messaging systems (Kafka/RabbitMQ) Strong knowledge of SQL and NoSQL databases AI / Machine Learning Experience Hands on experience integrating AI/ML models into backend applications Strong understanding of machine learning concepts, model lifecycle, and inference Experience working with Generative AI / LLMs (e.g., OpenAI, Azure OpenAI, Hugging Face, LangChain) Familiarity with Python based ML frameworks (TensorFlow, PyTorch, Scikit learn) for integration purposes Experience with model deployment, monitoring, and versioning (MLOps) Cloud & DevOps Strong experience with cloud platforms (AWS / Azure / GCP) Hands on experience with Docker, Kubernetes CI/CD tools such as Jenkins, GitHub Actions, GitLab CI Understanding of cloud native AI services Diversity Statement Synechron are proud to be an equal opportunity employer. Our Diversity, Equity, and Inclusion (DEI) initiative 'Same Difference' is committed to fostering an inclusive culture - promoting equality, diversity and an environment that is respectful to all. We encourage applicants from across diverse backgrounds, race, ethnicities, religion, age, marital status, gender, sexual orientations, or disabilities to apply. We offer flexible workplace arrangements, mentoring, internal mobility, learning and development programmes to support our global workforce. Empowerment and collaboration are at the core of how we operate. All employment decisions at Synechron are based on business needs, job requirements and individual qualifications, without regard to the applicant's gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law.
Apr 15, 2026
Full time
Synechron is a leading digital transformation consulting firm dedicated to delivering innovative technology solutions within banking, financial services, and insurance. We thrive on engineering excellence, collaboration, and a passion for cutting edge technologies. Job Location: London (Hybrid - 3 days in the office) About the role: We are seeking a highly experienced Senior Java Developer with over 10 years of hands on Java development experience and extensive exposure to AI/ML driven systems. The ideal candidate will design, build, and scale enterprise grade applications while integrating modern AI capabilities such as machine learning models, generative AI, and intelligent automation into backend systems. Key Responsibilities Design, develop, and maintain high-performance, scalable Java applications using modern frameworks. Architect and implement AI-enabled solutions, integrating ML/AI models into Java based platforms. Collaborate with data scientists and AI engineers to productionize machine learning and generative AI models. Build and maintain RESTful and event-driven APIs for AI powered services. Lead technical design discussions, perform code reviews, and mentor junior developers. Optimize application performance, security, and reliability in cloud and distributed environments. Implement best practices for CI/CD, DevOps, and MLOps pipelines. Work closely with product, architecture, and business teams to translate requirements into technical solutions. Stay current with emerging technologies in AI, cloud computing, and Java ecosystems. Job Requirements Core Java & Backend Development 10+ years of experience in Java (Java 8+) and enterprise application development Strong experience with Spring / Spring Boot, Hibernate/JPA Solid understanding of microservices architecture and distributed systems Experience with REST APIs, messaging systems (Kafka/RabbitMQ) Strong knowledge of SQL and NoSQL databases AI / Machine Learning Experience Hands on experience integrating AI/ML models into backend applications Strong understanding of machine learning concepts, model lifecycle, and inference Experience working with Generative AI / LLMs (e.g., OpenAI, Azure OpenAI, Hugging Face, LangChain) Familiarity with Python based ML frameworks (TensorFlow, PyTorch, Scikit learn) for integration purposes Experience with model deployment, monitoring, and versioning (MLOps) Cloud & DevOps Strong experience with cloud platforms (AWS / Azure / GCP) Hands on experience with Docker, Kubernetes CI/CD tools such as Jenkins, GitHub Actions, GitLab CI Understanding of cloud native AI services Diversity Statement Synechron are proud to be an equal opportunity employer. Our Diversity, Equity, and Inclusion (DEI) initiative 'Same Difference' is committed to fostering an inclusive culture - promoting equality, diversity and an environment that is respectful to all. We encourage applicants from across diverse backgrounds, race, ethnicities, religion, age, marital status, gender, sexual orientations, or disabilities to apply. We offer flexible workplace arrangements, mentoring, internal mobility, learning and development programmes to support our global workforce. Empowerment and collaboration are at the core of how we operate. All employment decisions at Synechron are based on business needs, job requirements and individual qualifications, without regard to the applicant's gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law.
Discover your future at Citi Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you'll have the opportunity to grow your career, give back to your community and make a real impact. Job Overview Engineer the future of global finance. At Citi, our Tech team doesn't just support finance - we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From deploying advanced AI to helping shape global markets, we build systems that matter. Look to join a team where your work helps influence economies, your ideas can drive innovation and outcomes, and your growth is backed by mentorship, continuous learning and flexibility with potential hybrid work opportunities. Help solve real-world challenges that touch millions and get the opportunity to build the future of finance with Citi Tech. The Lead Java Developer is a senior level position responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to lead applications systems analysis and programming activities. Responsibilities: Lead delivery of Real Time and On Demand Risk enhancements for the Credit Business by partnering directly with London based trading, MQA, Market Risk, and technology teams. Own the full development lifecycle: architecture, design, implementation, automated testing strategies, release execution, and ongoing production support. Drive alignment of RT/OD workflows with EOD Risk strategy, ensuring functional parity, reconciliation, and controlled cutover. Lead adoption and build out of RT/OD capabilities on strategic risk platform, including integration of new analytics, workflows, and risk datasets. Deliver significant performance improvements through optimized risk calculation strategies. Guide the migration of compute workloads to AWS, implementing best practices for scalability, throughput, resiliency, and cost efficiency. Collaborate actively with NAM and APAC teams in a follow the sun model to improve delivery velocity, reduce operational risk, and ensure rapid triage of production incidents. Provide user-facing updates, demos, documentation, and education to promote adoption and ensure successful rollout of new capabilities. Lead root cause analysis on production issues, drive long term stability improvements, and strengthen monitoring and observability across the platform. Recommended Experience: Strong experience in Core Java, J2EE, Spring Framework Exposure to Python scripting and data analysis Experience in fast moving Capital Markets Front Office technology environment with experience in Fixed Income products Working knowledge of Front Office Risk calculations, especially for Credit products Experience in building highly scalable and distributed applications using Microservices, APIs, and Container technologies such as Docker, Kubernetes, OpenShift, etc. Strong expertise in messaging technologies such as Kafka, JMS, gRPC etc Proficient in latency measurement and performance optimization of Java based platforms with focus on JVM tuning Experience with observability stacks like ELK, Prometheus, Grafana, Kiali, Jaeger etc. Sound knowledge for persistence technologies such as relational databases, NoSQL databases, off heap storages and distributed caches Hands-on knowledge of Linux / Unix Experience working with senior Quants and Technology Managers Good verbal and written communication Education: Bachelor's degree/University degree or equivalent experience Master's degree preferred This job description provides a high-level review of the types of work performed. Other job-related duties may be assigned as required. What we'll provide you By joining Citi, you will not only be part of a business casual workplace with a hybrid working model (up to 2 days working at home per week), but also receive a competitive base salary (which is annually reviewed), and enjoy a whole host of additional benefits such as: 27 days annual leave (plus bank holidays) A discretional annual performance related bonus Private Medical Care & Life Insurance Employee Assistance Program Pension Plan Paid Parental Leave Special discounts for employees, family, and friends Access to an array of learning and development resources Visit ourGlobal Benefitspage to learn more. Alongside these benefits Citi is committed to ensuring our workplace is where everyone feels comfortable coming to work as their whole self, every day. We want the best talent around the world to be energized to join us, motivated to stay and empowered to thrive. Job Family Group: Technology Job Family: Applications Development Time Type: Full time Most Relevant Skills Please see the requirements listed above. Other Relevant Skills For complementary skills, please see above and/or contact the recruiter. Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law. If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review Accessibility at Citi . View Citi's EEO Policy Statement and the Know Your Rights poster.
Apr 15, 2026
Full time
Discover your future at Citi Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you'll have the opportunity to grow your career, give back to your community and make a real impact. Job Overview Engineer the future of global finance. At Citi, our Tech team doesn't just support finance - we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From deploying advanced AI to helping shape global markets, we build systems that matter. Look to join a team where your work helps influence economies, your ideas can drive innovation and outcomes, and your growth is backed by mentorship, continuous learning and flexibility with potential hybrid work opportunities. Help solve real-world challenges that touch millions and get the opportunity to build the future of finance with Citi Tech. The Lead Java Developer is a senior level position responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to lead applications systems analysis and programming activities. Responsibilities: Lead delivery of Real Time and On Demand Risk enhancements for the Credit Business by partnering directly with London based trading, MQA, Market Risk, and technology teams. Own the full development lifecycle: architecture, design, implementation, automated testing strategies, release execution, and ongoing production support. Drive alignment of RT/OD workflows with EOD Risk strategy, ensuring functional parity, reconciliation, and controlled cutover. Lead adoption and build out of RT/OD capabilities on strategic risk platform, including integration of new analytics, workflows, and risk datasets. Deliver significant performance improvements through optimized risk calculation strategies. Guide the migration of compute workloads to AWS, implementing best practices for scalability, throughput, resiliency, and cost efficiency. Collaborate actively with NAM and APAC teams in a follow the sun model to improve delivery velocity, reduce operational risk, and ensure rapid triage of production incidents. Provide user-facing updates, demos, documentation, and education to promote adoption and ensure successful rollout of new capabilities. Lead root cause analysis on production issues, drive long term stability improvements, and strengthen monitoring and observability across the platform. Recommended Experience: Strong experience in Core Java, J2EE, Spring Framework Exposure to Python scripting and data analysis Experience in fast moving Capital Markets Front Office technology environment with experience in Fixed Income products Working knowledge of Front Office Risk calculations, especially for Credit products Experience in building highly scalable and distributed applications using Microservices, APIs, and Container technologies such as Docker, Kubernetes, OpenShift, etc. Strong expertise in messaging technologies such as Kafka, JMS, gRPC etc Proficient in latency measurement and performance optimization of Java based platforms with focus on JVM tuning Experience with observability stacks like ELK, Prometheus, Grafana, Kiali, Jaeger etc. Sound knowledge for persistence technologies such as relational databases, NoSQL databases, off heap storages and distributed caches Hands-on knowledge of Linux / Unix Experience working with senior Quants and Technology Managers Good verbal and written communication Education: Bachelor's degree/University degree or equivalent experience Master's degree preferred This job description provides a high-level review of the types of work performed. Other job-related duties may be assigned as required. What we'll provide you By joining Citi, you will not only be part of a business casual workplace with a hybrid working model (up to 2 days working at home per week), but also receive a competitive base salary (which is annually reviewed), and enjoy a whole host of additional benefits such as: 27 days annual leave (plus bank holidays) A discretional annual performance related bonus Private Medical Care & Life Insurance Employee Assistance Program Pension Plan Paid Parental Leave Special discounts for employees, family, and friends Access to an array of learning and development resources Visit ourGlobal Benefitspage to learn more. Alongside these benefits Citi is committed to ensuring our workplace is where everyone feels comfortable coming to work as their whole self, every day. We want the best talent around the world to be energized to join us, motivated to stay and empowered to thrive. Job Family Group: Technology Job Family: Applications Development Time Type: Full time Most Relevant Skills Please see the requirements listed above. Other Relevant Skills For complementary skills, please see above and/or contact the recruiter. Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law. If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review Accessibility at Citi . View Citi's EEO Policy Statement and the Know Your Rights poster.
About Us: Solirius Reply, part of the Reply Group, delivers technical consultancy and application delivery to our clients in order to solve real world problems and allow our clients to respond to an ever-changing technical landscape. We partner closely with our clients, embedding our consultants into their businesses in order to provide a bespoke service, allowing us to truly understand our clients' needs. It is this close collaboration with our clients that has enabled us to grow rapidly in recent years and will drive our ambitious future growth plans. We currently have over 300 consultants working with a variety of key clients from both the public and private sectors such as the Ministry of Justice, Department for Education, FCDOS, UEFA, International Olympic Committee and Mercedes Benz; with plans to increase our client base further in the near future. We operate as a flat organisation and believe in trusting and supporting our team to operate independently. We pride ourselves on being specialists at what we do, making the most of our consultants' expertise in their fields in order to provide a best-in-class service to our clients. All our consultants have the opportunity to work on a range of different projects, providing a broad range of knowledge on which to develop their careers and progress in the direction they choose. About You: You are a motivated and adaptable professional with a strong analytical mindset and a passion for using technology to solve real-world problems. You enjoy working in collaborative, agile teams and take pride in delivering high-quality solutions that make a tangible impact. With strong communication skills and a consultative approach, you're comfortable engaging with clients, understanding their needs, and translating them into effective outcomes. You understand and align with Solirius Reply Values. The Role: As a Senior Ruby Developer, you will play a crucial role in developing and maintaining our Ruby-based backend applications while driving initiatives across DevOps, database architecture, and team leadership. Your experience will help guide the development process and the growth of junior developers. This is an opportunity to shape the direction of our platform and foster a culture of collaboration and innovation. Key Responsibilities: Ruby Development: Design, build, and maintain robust, scalable, and high-performance Ruby applications. Write clean, maintainable, and efficient code following best practices and coding standards. Collaborate with frontend developers to integrate backend services with the frontend. DevOps & Automation: Collaborate with the DevOps team to design and implement CI/CD pipelines and deployment automation. Ensure the smooth deployment of Ruby applications by utilizing infrastructure-as-code tools (e.g., Terraform, Ansible). Maintain and improve our cloud-based infrastructure (AWS, GCP, or Azure) to ensure scalability and reliability. Database Architecture & Optimization: Design and optimize databases (PostgreSQL, MySQL, or MongoDB) for high performance and scalability. Write efficient queries, manage indexing, and improve query performance. Implement data integrity and backup strategies to ensure data security. Leadership & Collaboration: Mentor and guide junior developers in best practices and efficient coding. Collaborate with cross-functional teams, including product management, design, and operations. Provide technical leadership in project planning and execution, setting clear goals and timelines. Participate in code reviews and contribute to establishing coding standards. Additional Backend Technology (optional but preferred): Knowledge of additional backend technologies such as Node.js, Python, Java, or Go. Contribute to full-stack development or transition between different backend frameworks when necessary Key Requirements: Experience in Ruby on Rails development. Strong experience with DevOps practices, including CI/CD pipelines, Docker, and cloud platforms (AWS, GCP, or Azure). Proficient in relational databases (PostgreSQL, MySQL) and NoSQL databases (e.g., MongoDB). Solid understanding of RESTful API design and integration. Proven experience leading development teams and mentoring junior engineers. Strong understanding of software architecture, version control (Git), and testing frameworks. Familiarity with additional backend technologies such as Node.js, Python, or Java is a plus. Nice-to-Have Skills: Experience with infrastructure automation tools (e.g., Terraform, Ansible). Knowledge of containerization and orchestration tools such as Docker and Kubernetes. Familiarity with Agile/Scrum methodologies. Experience in serverless architectures and microservices. Package and Benefits: Competitive Salary Bonus Scheme Private Healthcare Insurance 25 Days Annual Leave + Bank Holidays Up to 10 days allocated for development training per year Enhanced Parental Leave Paid Fertility Leave (5 Days) Statutory & Contributory Pension EAP with Gym Membership Benefits Flexible Working Annual Away Days/Company Socials Equality & Diversity: Solirius Consulting is an equal opportunities employer. We are committed to creating a work environment that supports, celebrates, encourages, and respects all individuals and in which all processes are based on merit, competence and business needs. We do not discriminate on the basis of race, religion, gender, sexuality, age, disability, ethnicity, marital status or any other protected characteristics. Should you require further assistance or require any reasonable adjustments be put in place to better support your application process, please do not hesitate to raise this with us.
Apr 14, 2026
Full time
About Us: Solirius Reply, part of the Reply Group, delivers technical consultancy and application delivery to our clients in order to solve real world problems and allow our clients to respond to an ever-changing technical landscape. We partner closely with our clients, embedding our consultants into their businesses in order to provide a bespoke service, allowing us to truly understand our clients' needs. It is this close collaboration with our clients that has enabled us to grow rapidly in recent years and will drive our ambitious future growth plans. We currently have over 300 consultants working with a variety of key clients from both the public and private sectors such as the Ministry of Justice, Department for Education, FCDOS, UEFA, International Olympic Committee and Mercedes Benz; with plans to increase our client base further in the near future. We operate as a flat organisation and believe in trusting and supporting our team to operate independently. We pride ourselves on being specialists at what we do, making the most of our consultants' expertise in their fields in order to provide a best-in-class service to our clients. All our consultants have the opportunity to work on a range of different projects, providing a broad range of knowledge on which to develop their careers and progress in the direction they choose. About You: You are a motivated and adaptable professional with a strong analytical mindset and a passion for using technology to solve real-world problems. You enjoy working in collaborative, agile teams and take pride in delivering high-quality solutions that make a tangible impact. With strong communication skills and a consultative approach, you're comfortable engaging with clients, understanding their needs, and translating them into effective outcomes. You understand and align with Solirius Reply Values. The Role: As a Senior Ruby Developer, you will play a crucial role in developing and maintaining our Ruby-based backend applications while driving initiatives across DevOps, database architecture, and team leadership. Your experience will help guide the development process and the growth of junior developers. This is an opportunity to shape the direction of our platform and foster a culture of collaboration and innovation. Key Responsibilities: Ruby Development: Design, build, and maintain robust, scalable, and high-performance Ruby applications. Write clean, maintainable, and efficient code following best practices and coding standards. Collaborate with frontend developers to integrate backend services with the frontend. DevOps & Automation: Collaborate with the DevOps team to design and implement CI/CD pipelines and deployment automation. Ensure the smooth deployment of Ruby applications by utilizing infrastructure-as-code tools (e.g., Terraform, Ansible). Maintain and improve our cloud-based infrastructure (AWS, GCP, or Azure) to ensure scalability and reliability. Database Architecture & Optimization: Design and optimize databases (PostgreSQL, MySQL, or MongoDB) for high performance and scalability. Write efficient queries, manage indexing, and improve query performance. Implement data integrity and backup strategies to ensure data security. Leadership & Collaboration: Mentor and guide junior developers in best practices and efficient coding. Collaborate with cross-functional teams, including product management, design, and operations. Provide technical leadership in project planning and execution, setting clear goals and timelines. Participate in code reviews and contribute to establishing coding standards. Additional Backend Technology (optional but preferred): Knowledge of additional backend technologies such as Node.js, Python, Java, or Go. Contribute to full-stack development or transition between different backend frameworks when necessary Key Requirements: Experience in Ruby on Rails development. Strong experience with DevOps practices, including CI/CD pipelines, Docker, and cloud platforms (AWS, GCP, or Azure). Proficient in relational databases (PostgreSQL, MySQL) and NoSQL databases (e.g., MongoDB). Solid understanding of RESTful API design and integration. Proven experience leading development teams and mentoring junior engineers. Strong understanding of software architecture, version control (Git), and testing frameworks. Familiarity with additional backend technologies such as Node.js, Python, or Java is a plus. Nice-to-Have Skills: Experience with infrastructure automation tools (e.g., Terraform, Ansible). Knowledge of containerization and orchestration tools such as Docker and Kubernetes. Familiarity with Agile/Scrum methodologies. Experience in serverless architectures and microservices. Package and Benefits: Competitive Salary Bonus Scheme Private Healthcare Insurance 25 Days Annual Leave + Bank Holidays Up to 10 days allocated for development training per year Enhanced Parental Leave Paid Fertility Leave (5 Days) Statutory & Contributory Pension EAP with Gym Membership Benefits Flexible Working Annual Away Days/Company Socials Equality & Diversity: Solirius Consulting is an equal opportunities employer. We are committed to creating a work environment that supports, celebrates, encourages, and respects all individuals and in which all processes are based on merit, competence and business needs. We do not discriminate on the basis of race, religion, gender, sexuality, age, disability, ethnicity, marital status or any other protected characteristics. Should you require further assistance or require any reasonable adjustments be put in place to better support your application process, please do not hesitate to raise this with us.
Lead Java Developer Rate: Up to £700/day Inside IR35 Location: Leeds - 3 Days Onsite Per Week Contract: 12 Months Clearance: Must be eligible for SC clearance About the Role We're looking for a Lead Java Developer to join a major national digital transformation programme. The successful candidate will help build and improve high-traffic citizen-facing services used by millions across the UK. You'll lead or mentor a team of Java developers, deliver robust, scalable solutions, and contribute to modernising a complex digital estate. This is a hands on technical leadership role for someone who thrives in collaborative, Agile environments and wants their work to have a tangible impact on society. Key Responsibilities Lead or guide a team of Java developers on large-scale digital services. Design, build, and enhance server side applications and APIs for internal and external use. Build and maintain automated test suites to support continuous deployment. Contribute to scaling and improving high traffic web platforms. Provide 2nd line support for applications and platforms, including occasional out of hours support. Communicate technical concepts clearly to non technical audiences. Required Skills and Experience Strong recent experience with Java 21 or later. Solid understanding of TDD, BDD, and Agile delivery. Experience with microservices architecture and responsive web design. Proven track record building APIs and automated test frameworks for continuous deployment. Familiarity with Unix like operating systems (Linux/Mac OS X). Comfortable with collaborative development practices such as pair programming. Desirable Experience with MongoDB, messaging tools (ActiveMQ/Kafka), and frameworks such as Jackson, JAX RS, Mockito. Knowledge of scaling high traffic websites and managing large data sets. Next Steps If you're interested in working on impactful, large scale digital services, please apply with your CV. Shortlisted candidates will be contacted to discuss the role and interview process.
Apr 13, 2026
Full time
Lead Java Developer Rate: Up to £700/day Inside IR35 Location: Leeds - 3 Days Onsite Per Week Contract: 12 Months Clearance: Must be eligible for SC clearance About the Role We're looking for a Lead Java Developer to join a major national digital transformation programme. The successful candidate will help build and improve high-traffic citizen-facing services used by millions across the UK. You'll lead or mentor a team of Java developers, deliver robust, scalable solutions, and contribute to modernising a complex digital estate. This is a hands on technical leadership role for someone who thrives in collaborative, Agile environments and wants their work to have a tangible impact on society. Key Responsibilities Lead or guide a team of Java developers on large-scale digital services. Design, build, and enhance server side applications and APIs for internal and external use. Build and maintain automated test suites to support continuous deployment. Contribute to scaling and improving high traffic web platforms. Provide 2nd line support for applications and platforms, including occasional out of hours support. Communicate technical concepts clearly to non technical audiences. Required Skills and Experience Strong recent experience with Java 21 or later. Solid understanding of TDD, BDD, and Agile delivery. Experience with microservices architecture and responsive web design. Proven track record building APIs and automated test frameworks for continuous deployment. Familiarity with Unix like operating systems (Linux/Mac OS X). Comfortable with collaborative development practices such as pair programming. Desirable Experience with MongoDB, messaging tools (ActiveMQ/Kafka), and frameworks such as Jackson, JAX RS, Mockito. Knowledge of scaling high traffic websites and managing large data sets. Next Steps If you're interested in working on impactful, large scale digital services, please apply with your CV. Shortlisted candidates will be contacted to discuss the role and interview process.
Role Senior DotNet Developer Exp: 8+ years Duration: 6 Months 1st 7 days tiruvendram WFO then remote Details Job Description Candidates with 8+ years of experience in IT industry and with strong .Net/.Net Core/Azure Cloud Service/Azure DevOps. This is a client facing role and hence should have strong communication skills. This is for a US client and the resource should be hands on - experience in coding and Azure Cloud. Working hours: 8 hours, with a 4 hours overlap during EST Time zone (12 PM - 9 PM). This overlap is mandatory as meetings happen during this overlap hours. Responsibilities Design, develop, enhance, document, and maintain robust applications using .NET Core 6/8+, C#, REST APIs, T SQL, and modern JavaScript/jQuery. Integrate and support third party APIs and external services. Collaborate across cross functional teams to deliver scalable solutions across the full technology stack. Identify, prioritize, and execute tasks throughout the Software Development Life Cycle (SDLC). Participate in Agile/Scrum ceremonies and manage tasks using Jira. Understand technical priorities, architectural dependencies, risks, and implementation challenges. Troubleshoot, debug, and optimize existing solutions with a strong focus on performance and reliability. Primary Skills 8+ years of hands on development experience with C#, .NET Core 6/8+, Entity Framework / EF Core. JavaScript, jQuery, REST APIs. Expertise in MS SQL Server including complex queries, stored procedures, views, functions, packages, cursors, tables, and object types. Skilled in unit testing with XUnit, MSTest. Strong in software design patterns, system architecture, and scalable solution design. Ability to lead and inspire teams through clear communication, technical mentorship, and ownership. Strong problem solving and debugging capabilities. Ability to write reusable, testable, and efficient code. Develop and maintain frameworks and shared libraries to support large scale applications. Excellent technical documentation, communication, and leadership skills. Microservices and Service Oriented Architecture (SOA). Experience in API Integrations. 2+ years of hands with Azure Cloud Services, including Azure Functions, Azure Durable Functions, Azure Service Bus, Event Grid, Storage Queues, Blob Storage, Azure Key Vault, SQL Azure, Application Insights, Azure Monitoring. Secondary Skills (Good to have) Familiarity with AngularJS, ReactJS, and other front end frameworks. Experience with Azure API Management (APIM). Knowledge of Azure Containerization and Orchestration (e.g., AKS/Kubernetes). Experience with Azure Data Factory (ADF) and Logic Apps. Exposure to Application Support and operational monitoring. Azure DevOps - CI/CD pipelines (Classic / YAML). Certifications Required (If any) Microsoft Certified: Azure Fundamentals Microsoft Certified: Azure Developer Associate Other relevant certifications in Azure, .NET, or Cloud technologies.
Apr 10, 2026
Full time
Role Senior DotNet Developer Exp: 8+ years Duration: 6 Months 1st 7 days tiruvendram WFO then remote Details Job Description Candidates with 8+ years of experience in IT industry and with strong .Net/.Net Core/Azure Cloud Service/Azure DevOps. This is a client facing role and hence should have strong communication skills. This is for a US client and the resource should be hands on - experience in coding and Azure Cloud. Working hours: 8 hours, with a 4 hours overlap during EST Time zone (12 PM - 9 PM). This overlap is mandatory as meetings happen during this overlap hours. Responsibilities Design, develop, enhance, document, and maintain robust applications using .NET Core 6/8+, C#, REST APIs, T SQL, and modern JavaScript/jQuery. Integrate and support third party APIs and external services. Collaborate across cross functional teams to deliver scalable solutions across the full technology stack. Identify, prioritize, and execute tasks throughout the Software Development Life Cycle (SDLC). Participate in Agile/Scrum ceremonies and manage tasks using Jira. Understand technical priorities, architectural dependencies, risks, and implementation challenges. Troubleshoot, debug, and optimize existing solutions with a strong focus on performance and reliability. Primary Skills 8+ years of hands on development experience with C#, .NET Core 6/8+, Entity Framework / EF Core. JavaScript, jQuery, REST APIs. Expertise in MS SQL Server including complex queries, stored procedures, views, functions, packages, cursors, tables, and object types. Skilled in unit testing with XUnit, MSTest. Strong in software design patterns, system architecture, and scalable solution design. Ability to lead and inspire teams through clear communication, technical mentorship, and ownership. Strong problem solving and debugging capabilities. Ability to write reusable, testable, and efficient code. Develop and maintain frameworks and shared libraries to support large scale applications. Excellent technical documentation, communication, and leadership skills. Microservices and Service Oriented Architecture (SOA). Experience in API Integrations. 2+ years of hands with Azure Cloud Services, including Azure Functions, Azure Durable Functions, Azure Service Bus, Event Grid, Storage Queues, Blob Storage, Azure Key Vault, SQL Azure, Application Insights, Azure Monitoring. Secondary Skills (Good to have) Familiarity with AngularJS, ReactJS, and other front end frameworks. Experience with Azure API Management (APIM). Knowledge of Azure Containerization and Orchestration (e.g., AKS/Kubernetes). Experience with Azure Data Factory (ADF) and Logic Apps. Exposure to Application Support and operational monitoring. Azure DevOps - CI/CD pipelines (Classic / YAML). Certifications Required (If any) Microsoft Certified: Azure Fundamentals Microsoft Certified: Azure Developer Associate Other relevant certifications in Azure, .NET, or Cloud technologies.
