WISE Campaign
Job description The Onyx Research Data Tech organization represents a major investment by GSK R&D and Digital & Tech, designed to deliver a step-change in our ability to leverage data, knowledge, and prediction to find new medicines. We are a full-stack shop consisting of product and portfolio leadership, data engineering, infrastructure and DevOps, data / metadata / knowledge platforms, and AI/ML and analysis platforms, all geared toward: Building a next-generation data experience for GSK's scientists, engineers, and decision-makers, increasing productivity and reducing time spent on "data mechanics" Providing best in class AI/ML and data analysis environments to accelerate our predictive capabilities and attract top tier talent Aggressively engineering our data at scale to unlock the value of our combined data assets Implementing scientific technology products that leverage the data and capabilities provisioned by Onyx As a Staff Application Engineer (Individual Contributor), you are a highly experienced technical leader who delivers high impact engineering outcomes across multiple teams and products without formal people management responsibilities. You will take ambiguous, cross functional problems from concept to scalable solutions; drive architecture and systems design that meet Onyx's standards for security, reliability, and performance; raise the quality bar for engineering excellence; and mentor engineers to level up their technical and operational capabilities. You will own the operation of the applications you build, lead the resolution of complex incidents, and champion best practices in observability, testing, and automation. Your work directly increases the value we deliver to GSK's scientific community. In this role you will Lead architecture and systems design for full stack, data driven, loosely coupled cloud applications; make pragmatic trade offs that balance speed, quality, and long term stability. Take poorly defined, high ambiguity problems and drive them to a clear specification and execution plan; deliver solutions with cross organizational impact and value. Own end to end delivery of large, strategic engineering initiatives, often crossing collective boundaries; ensure alignment to agreed target architectures and standards. Write high quality, well tested code and documentation; produce proposals, runbooks, and operational playbooks that enable clarity, maintenance, and scaling. Champion operational excellence: design for reliability and security, implement comprehensive observability (metrics, logs, traces), and ensure robust alerting and SLOs. Operate and support production systems: participate in on call, lead incident resolution when needed, perform root cause analysis, and drive durable follow ups that reduce risk. Proactively refactor and simplify complex systems; repay technical debt with intent and measurable outcomes; improve performance, scalability, and cost efficiency. Develop APIs (REST/GraphQL/gRPC) and integration contracts that are resilient, secure, and well documented; advocate for consistent patterns across teams. Collaborate closely with product, design, data science, compliance/risk, and platform teams to align architectural decisions with user needs and organizational strategy. Mentor and sponsor engineers across teams (including senior engineers): raise coding standards, guide design choices, and help others navigate trade offs and delivery. Elevate engineering practices across Onyx: standard bearer for code reviews, test automation, CI/CD, accessibility, performance, and security first design. Use data to inform decisions; introduce monitoring where needed to improve product and operational outcomes; communicate risk clearly to non technical stakeholders. Stay current with relevant technologies (cloud native services, data platforms, front end frameworks); bring strategic insights that shape area level technology direction. Contribute to cross team initiatives that improve ways of working, incident management, support processes, and the overall quality bar for Onyx Application Engineering. Why you? Qualifications & Skills: We are looking for professionals with these required skills to achieve our goals: Bachelor's degree in Computer Science or related field, or equivalent experience. Significant experience delivering complex, production grade, cloud applications at scale. Deep knowledge and practical use of at least one backend language and ecosystem (e.g., Python, Java, Scala, JavaScript/Node.js), including documentation, testing, observability, and operations. Proficiency in front end technologies: JavaScript/TypeScript with React.js, Angular, or similar frameworks. Strong experience designing and building APIs (REST/GraphQL/gRPC); solid understanding of integration patterns and interoperability. Cloud experience developing and deploying in environments like Google Cloud (preferred), AWS, or Azure; hands on with cloud native services and infrastructure as code patterns. Experience with authentication and authorization mechanisms (e.g., OAuth2, OIDC); security first mindset throughout the SDLC. Strong experience with modern SDLC and DevOps tooling: git/GitHub, CI/CD pipelines, automated testing, containerization/orchestration, metrics/monitoring (e.g., Prometheus, Grafana, OpenTelemetry). Demonstrated ability to lead architectural designs for complex systems, drive cross team solutions, and deliver measurable improvements in reliability, performance, and scalability. Proven ability to debug and resolve complex production issues under pressure; leads incident resolution and drives durable prevention. Excellent communication skills (verbal and written); can articulate technical risk and decisions to technical and non technical stakeholders; collaborates effectively across disciplines. Experience in agile software development and common environments such as Jira and Confluence. Track record of mentoring engineers and elevating team standards and ways of working. Preferred Qualifications & Skills: Master's degree or higher in Computer Science or related field. Experience leading large, strategic, complex engineering projects across multiple teams or collectives. Knowledge of database modelling, relational and non relational data concepts, and SQL; performance tuning and data lifecycle management at scale. Experience with data visualization frameworks (e.g., D3.js, Plotly, Matplotlib) and building scientific data experiences. Evidence of embedding operational excellence (runbooks, on call discipline, SLOs, post incident learning) across teams. Familiarity with regulated environments and collaboration with compliance/security functions. Behaviours and Ways of Working Standard bearer for engineering discipline, code quality, testing, observability, and secure by design. Calm and structured during incidents or emergencies; leads others to clarity and resolution. Proactively mentors and sponsors engineers; seeks and gives timely, constructive feedback. Challenges teams to increase urgency on high priority outcomes; raises visibility of work and impact. Stays up to date with technology trends and contributes to area level strategy; proposes pragmatic changes aligned to business priorities. Uses data to guide decisions; introduces monitoring where gaps exist; improves operational and product metrics over time. Closing Date for Applications: Tuesday 6th January 2026 (COB) Please note: As we approach the holiday season, our recruitment team and hiring managers will have limited availability between now and early January. We encourage you to apply and will review all applications, however response times may be longer than usual, and interviews may be scheduled after the New Year. We appreciate your understanding and look forward to connecting soon! Please take a copy of the Job Description, as this will not be available post closure of the advert. When applying for this role, please use the 'cover letter' of the online application or your CV to describe how you meet the competencies for this role, as outlined in the job requirements above. The information that you have provided in your cover letter and CV will be used to assess your application. During the course of your application, you will be requested to complete voluntary information which will be used to monitor the effectiveness of our equality and diversity policies. Your information will be treated as confidential and will not be used in any part of the selection process. If you require a reasonable adjustment to the application / selection process to enable you to demonstrate your ability to perform the job requirements, please contact . This will help us to understand any modifications we may need to make to support you throughout our selection process. Why GSK? Uniting science, technology and talent to get ahead of disease together. GSK is a global biopharma company with a purpose to unite science, technology and talent to get ahead of disease together. We aim to positively impact the health of 2.5 billion people by the end of the decade, as a successful, growing company where people can thrive. We get ahead of disease by preventing and treating it with innovation in specialty medicines and vaccines. We focus on four therapeutic areas: respiratory . click apply for full job details
Job description The Onyx Research Data Tech organization represents a major investment by GSK R&D and Digital & Tech, designed to deliver a step-change in our ability to leverage data, knowledge, and prediction to find new medicines. We are a full-stack shop consisting of product and portfolio leadership, data engineering, infrastructure and DevOps, data / metadata / knowledge platforms, and AI/ML and analysis platforms, all geared toward: Building a next-generation data experience for GSK's scientists, engineers, and decision-makers, increasing productivity and reducing time spent on "data mechanics" Providing best in class AI/ML and data analysis environments to accelerate our predictive capabilities and attract top tier talent Aggressively engineering our data at scale to unlock the value of our combined data assets Implementing scientific technology products that leverage the data and capabilities provisioned by Onyx As a Staff Application Engineer (Individual Contributor), you are a highly experienced technical leader who delivers high impact engineering outcomes across multiple teams and products without formal people management responsibilities. You will take ambiguous, cross functional problems from concept to scalable solutions; drive architecture and systems design that meet Onyx's standards for security, reliability, and performance; raise the quality bar for engineering excellence; and mentor engineers to level up their technical and operational capabilities. You will own the operation of the applications you build, lead the resolution of complex incidents, and champion best practices in observability, testing, and automation. Your work directly increases the value we deliver to GSK's scientific community. In this role you will Lead architecture and systems design for full stack, data driven, loosely coupled cloud applications; make pragmatic trade offs that balance speed, quality, and long term stability. Take poorly defined, high ambiguity problems and drive them to a clear specification and execution plan; deliver solutions with cross organizational impact and value. Own end to end delivery of large, strategic engineering initiatives, often crossing collective boundaries; ensure alignment to agreed target architectures and standards. Write high quality, well tested code and documentation; produce proposals, runbooks, and operational playbooks that enable clarity, maintenance, and scaling. Champion operational excellence: design for reliability and security, implement comprehensive observability (metrics, logs, traces), and ensure robust alerting and SLOs. Operate and support production systems: participate in on call, lead incident resolution when needed, perform root cause analysis, and drive durable follow ups that reduce risk. Proactively refactor and simplify complex systems; repay technical debt with intent and measurable outcomes; improve performance, scalability, and cost efficiency. Develop APIs (REST/GraphQL/gRPC) and integration contracts that are resilient, secure, and well documented; advocate for consistent patterns across teams. Collaborate closely with product, design, data science, compliance/risk, and platform teams to align architectural decisions with user needs and organizational strategy. Mentor and sponsor engineers across teams (including senior engineers): raise coding standards, guide design choices, and help others navigate trade offs and delivery. Elevate engineering practices across Onyx: standard bearer for code reviews, test automation, CI/CD, accessibility, performance, and security first design. Use data to inform decisions; introduce monitoring where needed to improve product and operational outcomes; communicate risk clearly to non technical stakeholders. Stay current with relevant technologies (cloud native services, data platforms, front end frameworks); bring strategic insights that shape area level technology direction. Contribute to cross team initiatives that improve ways of working, incident management, support processes, and the overall quality bar for Onyx Application Engineering. Why you? Qualifications & Skills: We are looking for professionals with these required skills to achieve our goals: Bachelor's degree in Computer Science or related field, or equivalent experience. Significant experience delivering complex, production grade, cloud applications at scale. Deep knowledge and practical use of at least one backend language and ecosystem (e.g., Python, Java, Scala, JavaScript/Node.js), including documentation, testing, observability, and operations. Proficiency in front end technologies: JavaScript/TypeScript with React.js, Angular, or similar frameworks. Strong experience designing and building APIs (REST/GraphQL/gRPC); solid understanding of integration patterns and interoperability. Cloud experience developing and deploying in environments like Google Cloud (preferred), AWS, or Azure; hands on with cloud native services and infrastructure as code patterns. Experience with authentication and authorization mechanisms (e.g., OAuth2, OIDC); security first mindset throughout the SDLC. Strong experience with modern SDLC and DevOps tooling: git/GitHub, CI/CD pipelines, automated testing, containerization/orchestration, metrics/monitoring (e.g., Prometheus, Grafana, OpenTelemetry). Demonstrated ability to lead architectural designs for complex systems, drive cross team solutions, and deliver measurable improvements in reliability, performance, and scalability. Proven ability to debug and resolve complex production issues under pressure; leads incident resolution and drives durable prevention. Excellent communication skills (verbal and written); can articulate technical risk and decisions to technical and non technical stakeholders; collaborates effectively across disciplines. Experience in agile software development and common environments such as Jira and Confluence. Track record of mentoring engineers and elevating team standards and ways of working. Preferred Qualifications & Skills: Master's degree or higher in Computer Science or related field. Experience leading large, strategic, complex engineering projects across multiple teams or collectives. Knowledge of database modelling, relational and non relational data concepts, and SQL; performance tuning and data lifecycle management at scale. Experience with data visualization frameworks (e.g., D3.js, Plotly, Matplotlib) and building scientific data experiences. Evidence of embedding operational excellence (runbooks, on call discipline, SLOs, post incident learning) across teams. Familiarity with regulated environments and collaboration with compliance/security functions. Behaviours and Ways of Working Standard bearer for engineering discipline, code quality, testing, observability, and secure by design. Calm and structured during incidents or emergencies; leads others to clarity and resolution. Proactively mentors and sponsors engineers; seeks and gives timely, constructive feedback. Challenges teams to increase urgency on high priority outcomes; raises visibility of work and impact. Stays up to date with technology trends and contributes to area level strategy; proposes pragmatic changes aligned to business priorities. Uses data to guide decisions; introduces monitoring where gaps exist; improves operational and product metrics over time. Closing Date for Applications: Tuesday 6th January 2026 (COB) Please note: As we approach the holiday season, our recruitment team and hiring managers will have limited availability between now and early January. We encourage you to apply and will review all applications, however response times may be longer than usual, and interviews may be scheduled after the New Year. We appreciate your understanding and look forward to connecting soon! Please take a copy of the Job Description, as this will not be available post closure of the advert. When applying for this role, please use the 'cover letter' of the online application or your CV to describe how you meet the competencies for this role, as outlined in the job requirements above. The information that you have provided in your cover letter and CV will be used to assess your application. During the course of your application, you will be requested to complete voluntary information which will be used to monitor the effectiveness of our equality and diversity policies. Your information will be treated as confidential and will not be used in any part of the selection process. If you require a reasonable adjustment to the application / selection process to enable you to demonstrate your ability to perform the job requirements, please contact . This will help us to understand any modifications we may need to make to support you throughout our selection process. Why GSK? Uniting science, technology and talent to get ahead of disease together. GSK is a global biopharma company with a purpose to unite science, technology and talent to get ahead of disease together. We aim to positively impact the health of 2.5 billion people by the end of the decade, as a successful, growing company where people can thrive. We get ahead of disease by preventing and treating it with innovation in specialty medicines and vaccines. We focus on four therapeutic areas: respiratory . click apply for full job details
Two Circles
ROLE: Lead Backend Developer - Node.js OFFICE: London We are Two Circles. We are a Sports & Entertainment Marketing business. We grow audiences and revenues. We do that by knowing fans best. We work with clients to help them understand & influence what their fans are doing - the way fans spend their money, the events that fans attend, the channels fans respond to, the content fans watch and more. And we use the understanding this gives us to help our clients grow. Grow their audiences and grow their revenues - both direct to consumer and business to business revenues. Our platforms and services are trusted by over 900 clients globally, including the English Premier League, Red Bull, UEFA, VISA, the NFL, Nike and Amazon. We are almost 1000 people, based out of 14 offices, and we deliver work for sports and entertainment businesses of all shapes and sizes all over the world JOB DESCRIPTION As part of our ongoing growth, we are expanding our technical team and looking for an experienced Lead Backend Developer to join our London office and provide technical engineering seniority covering design, leadership and hands on implementation of digital products and solutions for our clients. The chosen person will play a pivot role influencing the rapidly growing Two Circles technology proposition and will be responsible for technical seniority and supporting technology consulting projects, identifying and advising on appropriate solutions for our clients. You will have a track record of designing and delivering high-quality digital solutions over the last 5+ years, and a keen interest in the application of technology in the sports industry. If this sounds like you, we would love to hear from you. Key Responsibilities (People + Engineering Culture) Work closely with Engineering Managers, Engineering Leads and Product Managers to understand problems and define technical scope for global sports properties. You will be active in the hiring of other Software Engineers whilst helping refine and improve the process. Being an advocate for developer experience and a keen interest in continually improving it. Encouraging a blameless culture of continuous improvement and technical excellence. This is a hybrid role where you are expected to be in our London office for 2 days a week and occasionally travel to client offices in London and EMEA. Key Responsibilities (Technical) Creation of architectural diagrams and technical specifications for multi-platform product strategies (applications being used by millions of users daily) Influencing and contributing to the technical design and development of digital projects Working alongside clients and project teams to understand requirements and provide technical expertise and leadership on appropriate solutions Setting up software development frameworks for release management, automation, code quality and source control Hands on when required to solve problems and setup projects for success during the early stages Collaboration with product leads, consultants, designers and developers to deliver high-quality solutions across web, mobile apps and OTT Technical authoring and supporting business development opportunities Providing technical leadership, mentoring and guidance to other Two Circles development resources Keeping up to date on emerging technologies and trends in sports technology Skills A minimum of 10+ years' experience in software engineering. A strong desire to continually learn and improve. Solid understanding of JavaScript and TypeScript fundamentals, with hands-on experience using Node.js. Strong understanding of database systems, including both document-oriented databases such as MongoDB and relational databases such as MySQL or PostgreSQL. An understanding or interest in at least one JavaScript framework such as React, Angular or Vue.js. Familiarity with software architecture principles and common design patterns, particularly in building scalable systems. An appreciation of DevOps and platform engineering culture. You don't just want to write code, you'd like to learn how to build and ship it as well. Proactive in solving problems simply and effectively, with an eye for pragmatic solutions. Excellent communication skills, with the ability to communicate to a variety of audiences to explain your solutions and collaborate effectively with others. Nice To Have A degree in Computer Science or equivalent. Experience with event-driven architecture. A keen interest in sport and sports business'. Two Circles is committed to creating a diverse environment and is proud to be an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, colour, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. What can we offer you? We offer a benefits package to suit you and your lifestyle! Out of a core monthly budget, you can choose your own comprehensive benefit package. Renowned Team Days often throughout the year Summer Away Days 23 standard days of holiday (+1 Birthday, +1 Well-being Day, +1 'Big Life Event', and +1 Admin Day), closure of office over Christmas (plus Bank Holidays) Discretionary Bonus based on company performance Performance Reviews every 6 months with discretionary salary increases Private healthcare (Vitality) and/or Health Care Plan (Medicash) Mobile phone contribution Sport Challenge contribution Gym membership contribution 2 x annual kit drops
ROLE: Lead Backend Developer - Node.js OFFICE: London We are Two Circles. We are a Sports & Entertainment Marketing business. We grow audiences and revenues. We do that by knowing fans best. We work with clients to help them understand & influence what their fans are doing - the way fans spend their money, the events that fans attend, the channels fans respond to, the content fans watch and more. And we use the understanding this gives us to help our clients grow. Grow their audiences and grow their revenues - both direct to consumer and business to business revenues. Our platforms and services are trusted by over 900 clients globally, including the English Premier League, Red Bull, UEFA, VISA, the NFL, Nike and Amazon. We are almost 1000 people, based out of 14 offices, and we deliver work for sports and entertainment businesses of all shapes and sizes all over the world JOB DESCRIPTION As part of our ongoing growth, we are expanding our technical team and looking for an experienced Lead Backend Developer to join our London office and provide technical engineering seniority covering design, leadership and hands on implementation of digital products and solutions for our clients. The chosen person will play a pivot role influencing the rapidly growing Two Circles technology proposition and will be responsible for technical seniority and supporting technology consulting projects, identifying and advising on appropriate solutions for our clients. You will have a track record of designing and delivering high-quality digital solutions over the last 5+ years, and a keen interest in the application of technology in the sports industry. If this sounds like you, we would love to hear from you. Key Responsibilities (People + Engineering Culture) Work closely with Engineering Managers, Engineering Leads and Product Managers to understand problems and define technical scope for global sports properties. You will be active in the hiring of other Software Engineers whilst helping refine and improve the process. Being an advocate for developer experience and a keen interest in continually improving it. Encouraging a blameless culture of continuous improvement and technical excellence. This is a hybrid role where you are expected to be in our London office for 2 days a week and occasionally travel to client offices in London and EMEA. Key Responsibilities (Technical) Creation of architectural diagrams and technical specifications for multi-platform product strategies (applications being used by millions of users daily) Influencing and contributing to the technical design and development of digital projects Working alongside clients and project teams to understand requirements and provide technical expertise and leadership on appropriate solutions Setting up software development frameworks for release management, automation, code quality and source control Hands on when required to solve problems and setup projects for success during the early stages Collaboration with product leads, consultants, designers and developers to deliver high-quality solutions across web, mobile apps and OTT Technical authoring and supporting business development opportunities Providing technical leadership, mentoring and guidance to other Two Circles development resources Keeping up to date on emerging technologies and trends in sports technology Skills A minimum of 10+ years' experience in software engineering. A strong desire to continually learn and improve. Solid understanding of JavaScript and TypeScript fundamentals, with hands-on experience using Node.js. Strong understanding of database systems, including both document-oriented databases such as MongoDB and relational databases such as MySQL or PostgreSQL. An understanding or interest in at least one JavaScript framework such as React, Angular or Vue.js. Familiarity with software architecture principles and common design patterns, particularly in building scalable systems. An appreciation of DevOps and platform engineering culture. You don't just want to write code, you'd like to learn how to build and ship it as well. Proactive in solving problems simply and effectively, with an eye for pragmatic solutions. Excellent communication skills, with the ability to communicate to a variety of audiences to explain your solutions and collaborate effectively with others. Nice To Have A degree in Computer Science or equivalent. Experience with event-driven architecture. A keen interest in sport and sports business'. Two Circles is committed to creating a diverse environment and is proud to be an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, colour, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. What can we offer you? We offer a benefits package to suit you and your lifestyle! Out of a core monthly budget, you can choose your own comprehensive benefit package. Renowned Team Days often throughout the year Summer Away Days 23 standard days of holiday (+1 Birthday, +1 Well-being Day, +1 'Big Life Event', and +1 Admin Day), closure of office over Christmas (plus Bank Holidays) Discretionary Bonus based on company performance Performance Reviews every 6 months with discretionary salary increases Private healthcare (Vitality) and/or Health Care Plan (Medicash) Mobile phone contribution Sport Challenge contribution Gym membership contribution 2 x annual kit drops
G2i Inc.
City, London
Location: London (Old Street) - in-office 3 days per week Employment Type: Direct Hire Salary: Up to £130,000 GBP per annum + bonus + equity About StoreTrials StoreTrials (Virtual Store Trials) helps brands and retailers win with shoppers by enabling smarter shelf testing, real-planogram data, visual planogram tools, and fixture visualisers. Our mission is to provide accurate, actionable in-store (and virtual) insights that drive superior category growth. We believe in innovation, data-driven decisions, and a culture of collaboration and technical excellence. Role Overview We are looking for a highly experienced Senior Full-Stack Engineer with deep expertise in TypeScript to join our London-based engineering team. You will be instrumental in designing, building, and maintaining scalable, robust, and high-performance applications. While TypeScript is essential, experience with Python is a plus. You'll work across both frontend and backend, help shape best practices, mentor others, and contribute to decisions that affect the whole product. Key Responsibilities Develop and maintain full-stack applications using TypeScript; contribute to both frontend and backend components. Build clean, efficient, and scalable code; take responsibility for high code quality, test coverage, reliability, and performance. Collaborate closely with product, design, data, and field-teams to understand business needs and translate them into technical solutions. Participate in architecture design discussions and help make decisions about frameworks, tools, and development practices. Mentor and support more junior engineers; share knowledge and help build shared understanding of best practices. Contribute to technical planning, sprint estimation, roll-outs, and project execution. Optionally, work with Python in some services or microservices (if applicable), contribute to bridging TypeScript services with Python ones. Essential Qualifications Minimum 7+ years of professional experience in software engineering, with substantial exposure to building production systems. Strong, hands-on experience with TypeScript (frontend frameworks like React, Angular, or Vue may be relevant; backend Node.js or similar). Solid understanding of full-stack development: API design, database work, frontend UI, deployment, scalability. Experience with modern software engineering practices: testing (unit/integration), CI/CD, code reviews, code quality, performance optimization. Ability to drive technical discussions and make good trade-offs. Excellent communication skills; ability to collaborate with non-technical stakeholders. Must be London-based, able to be in the office 3 days/week. Desirable Qualifications Experience with Python (services, data pipelines, or microservices) is a significant plus. Knowledge of or experience with planogram / retail / shopper insight tools or similarly complex data-driven UI applications. Experience with visualization tools, virtual simulations, or mapping / spatial UIs. Prior experience in high-growth / product-led SaaS / marketplace / retail tech environment. Experience mentoring or leading smaller teams. What We Offer Competitive salary up to £130,000 GBP (dependent on experience). Equity in the company. Performance bonus. Getting in on cutting-edge work in shopper insights / virtual retail tech. Working in a collaborative, high-skill environment. Office based in Old Street, London, with hybrid flexibility (3 days/week in-office). If this sounds like you, we'd love to hear from you.
Location: London (Old Street) - in-office 3 days per week Employment Type: Direct Hire Salary: Up to £130,000 GBP per annum + bonus + equity About StoreTrials StoreTrials (Virtual Store Trials) helps brands and retailers win with shoppers by enabling smarter shelf testing, real-planogram data, visual planogram tools, and fixture visualisers. Our mission is to provide accurate, actionable in-store (and virtual) insights that drive superior category growth. We believe in innovation, data-driven decisions, and a culture of collaboration and technical excellence. Role Overview We are looking for a highly experienced Senior Full-Stack Engineer with deep expertise in TypeScript to join our London-based engineering team. You will be instrumental in designing, building, and maintaining scalable, robust, and high-performance applications. While TypeScript is essential, experience with Python is a plus. You'll work across both frontend and backend, help shape best practices, mentor others, and contribute to decisions that affect the whole product. Key Responsibilities Develop and maintain full-stack applications using TypeScript; contribute to both frontend and backend components. Build clean, efficient, and scalable code; take responsibility for high code quality, test coverage, reliability, and performance. Collaborate closely with product, design, data, and field-teams to understand business needs and translate them into technical solutions. Participate in architecture design discussions and help make decisions about frameworks, tools, and development practices. Mentor and support more junior engineers; share knowledge and help build shared understanding of best practices. Contribute to technical planning, sprint estimation, roll-outs, and project execution. Optionally, work with Python in some services or microservices (if applicable), contribute to bridging TypeScript services with Python ones. Essential Qualifications Minimum 7+ years of professional experience in software engineering, with substantial exposure to building production systems. Strong, hands-on experience with TypeScript (frontend frameworks like React, Angular, or Vue may be relevant; backend Node.js or similar). Solid understanding of full-stack development: API design, database work, frontend UI, deployment, scalability. Experience with modern software engineering practices: testing (unit/integration), CI/CD, code reviews, code quality, performance optimization. Ability to drive technical discussions and make good trade-offs. Excellent communication skills; ability to collaborate with non-technical stakeholders. Must be London-based, able to be in the office 3 days/week. Desirable Qualifications Experience with Python (services, data pipelines, or microservices) is a significant plus. Knowledge of or experience with planogram / retail / shopper insight tools or similarly complex data-driven UI applications. Experience with visualization tools, virtual simulations, or mapping / spatial UIs. Prior experience in high-growth / product-led SaaS / marketplace / retail tech environment. Experience mentoring or leading smaller teams. What We Offer Competitive salary up to £130,000 GBP (dependent on experience). Equity in the company. Performance bonus. Getting in on cutting-edge work in shopper insights / virtual retail tech. Working in a collaborative, high-skill environment. Office based in Old Street, London, with hybrid flexibility (3 days/week in-office). If this sounds like you, we'd love to hear from you.
London Stock Exchange Group
Senior Software Engineer page is loaded Senior Software Engineerlocations: IND-BLR-Divyasree Technopolistime type: Full timeposted on: Posted Todayjob requisition id: RResponsible for the analysis, definition, design, construction, testing, installation, modification, and maintenance of properly engineered information systems, containing software as the major component to meet agreed business needs.Main Responsibilities / Accountabilities: • Design, build, and maintain efficient, reusable, and reliable Java code based on user requirements. • Develop well maintainable quality software using agile methodologies, adhering to team/company standards. • Participate in planning sessions with team members to analyse requirements and provide design options, work breakdown and estimates of work. • Demonstrate a focus on quality, through unit testing, integration testing and peer reviews, ensuring software meets requirements. • Thoroughly document, review, and maintain all required technical reference material to ensure supportability and reuse. • Actively participate in team status meetings, providing timely status updates for areas of individual responsibilities within projects to supervisor. Key Relationships: • Development Manager / Development Team Lead. • Business Analysts. • Agile team members. Required Skills/Experience: Essential Skills/Experience Required: • Degree or equivalent experience in Computer Science, Software Engineering • 5+ years in software delivery domain Frontend Development Angular (latest versions) TypeScript & JavaScript (ES6+) HTML5, CSS3, SCSS Responsive UI design & accessibility State management (NgRx or similar) Backend Development ASP.NET Core / ASP.NET MVCNodeJS C# programming RESTful API design & development Entity Framework Core LINQ, Dependency Injection Cloud (Azure) Azure App Service (Web Apps) Azure Functions (Serverless) Azure Storage (Blob, Queue, Table) Azure SQL Database & Geo-Replication Azure Virtual Network, VNet Peering Azure API Management Azure DevOps (CI/CD pipelines) Azure Monitor & Application Insights Security & Governance OAuth2 / OpenID Connect Secure API development Career Stage: Senior Associate London Stock Exchange Group (LSEG) Information: Join us and be part of a team that values innovation, quality, and continuous improvement. If you're ready to take your career to the next level and make a significant impact, we'd love to hear from you.LSEG is a leading global financial markets infrastructure and data provider. Our purpose is driving financial stability, empowering economies and enabling customers to create sustainable growth.Our purpose is the foundation on which our culture is built. Our values of Integrity, Partnership , Excellence and Change underpin our purpose and set the standard for everything we do, every day. They go to the heart of who we are and guide our decision making and everyday actions.Working with us means that you will be part of a dynamic organisation of 25,000 people across 65 countries. However, we will value your individuality and enable you to bring your true self to work so you can help enrich our diverse workforce.We are proud to be an equal opportunities employer. This means that we do not discriminate on the basis of anyone's race, religion, colour, national origin, gender, sexual orientation, gender identity, gender expression, age, marital status, veteran status, pregnancy or disability, or any other basis protected under applicable law. Conforming with applicable law, we can reasonably accommodate applicants' and employees' religious practices and beliefs, as well as mental health or physical disability needs.You will be part of a collaborative and creative culture where we encourage new ideas. We are committed to sustainability across our global business and we are proud to partner with our customers to help them meet their sustainability objectives. Our charity, the LSEG Foundation provides charitable grants to community groups that help people access economic opportunities and build a secure future with financial independence. Colleagues can get involved through fundraising and volunteering.LSEG offers a range of tailored benefits and support, including healthcare, retirement planning, paid volunteering days and wellbeing initiatives.Please take a moment to read this carefully, as it describes what personal information London Stock Exchange Group (LSEG) (we) may hold about you, what it's used for, and how it's obtained, .If you are submitting as a Recruitment Agency Partner, it is essential and your responsibility to ensure that candidates applying to LSEG are aware of this privacy notice.LSEG (London Stock Exchange Group) is a leading global financial markets infrastructure and data provider. Our purpose is driving financial stability, empowering economies and enabling customers to create sustainable growth. Our culture of connecting, creating opportunity and delivering excellence shapes how we think, how we do things and how we help our people fulfil their potential.
Senior Software Engineer page is loaded Senior Software Engineerlocations: IND-BLR-Divyasree Technopolistime type: Full timeposted on: Posted Todayjob requisition id: RResponsible for the analysis, definition, design, construction, testing, installation, modification, and maintenance of properly engineered information systems, containing software as the major component to meet agreed business needs.Main Responsibilities / Accountabilities: • Design, build, and maintain efficient, reusable, and reliable Java code based on user requirements. • Develop well maintainable quality software using agile methodologies, adhering to team/company standards. • Participate in planning sessions with team members to analyse requirements and provide design options, work breakdown and estimates of work. • Demonstrate a focus on quality, through unit testing, integration testing and peer reviews, ensuring software meets requirements. • Thoroughly document, review, and maintain all required technical reference material to ensure supportability and reuse. • Actively participate in team status meetings, providing timely status updates for areas of individual responsibilities within projects to supervisor. Key Relationships: • Development Manager / Development Team Lead. • Business Analysts. • Agile team members. Required Skills/Experience: Essential Skills/Experience Required: • Degree or equivalent experience in Computer Science, Software Engineering • 5+ years in software delivery domain Frontend Development Angular (latest versions) TypeScript & JavaScript (ES6+) HTML5, CSS3, SCSS Responsive UI design & accessibility State management (NgRx or similar) Backend Development ASP.NET Core / ASP.NET MVCNodeJS C# programming RESTful API design & development Entity Framework Core LINQ, Dependency Injection Cloud (Azure) Azure App Service (Web Apps) Azure Functions (Serverless) Azure Storage (Blob, Queue, Table) Azure SQL Database & Geo-Replication Azure Virtual Network, VNet Peering Azure API Management Azure DevOps (CI/CD pipelines) Azure Monitor & Application Insights Security & Governance OAuth2 / OpenID Connect Secure API development Career Stage: Senior Associate London Stock Exchange Group (LSEG) Information: Join us and be part of a team that values innovation, quality, and continuous improvement. If you're ready to take your career to the next level and make a significant impact, we'd love to hear from you.LSEG is a leading global financial markets infrastructure and data provider. Our purpose is driving financial stability, empowering economies and enabling customers to create sustainable growth.Our purpose is the foundation on which our culture is built. Our values of Integrity, Partnership , Excellence and Change underpin our purpose and set the standard for everything we do, every day. They go to the heart of who we are and guide our decision making and everyday actions.Working with us means that you will be part of a dynamic organisation of 25,000 people across 65 countries. However, we will value your individuality and enable you to bring your true self to work so you can help enrich our diverse workforce.We are proud to be an equal opportunities employer. This means that we do not discriminate on the basis of anyone's race, religion, colour, national origin, gender, sexual orientation, gender identity, gender expression, age, marital status, veteran status, pregnancy or disability, or any other basis protected under applicable law. Conforming with applicable law, we can reasonably accommodate applicants' and employees' religious practices and beliefs, as well as mental health or physical disability needs.You will be part of a collaborative and creative culture where we encourage new ideas. We are committed to sustainability across our global business and we are proud to partner with our customers to help them meet their sustainability objectives. Our charity, the LSEG Foundation provides charitable grants to community groups that help people access economic opportunities and build a secure future with financial independence. Colleagues can get involved through fundraising and volunteering.LSEG offers a range of tailored benefits and support, including healthcare, retirement planning, paid volunteering days and wellbeing initiatives.Please take a moment to read this carefully, as it describes what personal information London Stock Exchange Group (LSEG) (we) may hold about you, what it's used for, and how it's obtained, .If you are submitting as a Recruitment Agency Partner, it is essential and your responsibility to ensure that candidates applying to LSEG are aware of this privacy notice.LSEG (London Stock Exchange Group) is a leading global financial markets infrastructure and data provider. Our purpose is driving financial stability, empowering economies and enabling customers to create sustainable growth. Our culture of connecting, creating opportunity and delivering excellence shapes how we think, how we do things and how we help our people fulfil their potential.
