605 jobs found

Role Overview We are seeking a skilled Java Developer with strong experience across Java, Node.js, and AWS to support large-scale digital transformation projects within a secure public-sector environment. You will join a collaborative engineering team focused on delivering secure, scalable and high-quality services. Key Responsibilities Develop, maintain and optimise backend services using Java and N click apply for full job details

Overview Flowdesk's mission is to build a global financial institution for digital assets, one designed from the ground up for market integrity and efficiency. To achieve this in a rapidly evolving market, we apply a disciplined, first-principles approach to everything we do. This approach is embedded in our core services, from institutional liquidity provision, trading solutions, OTC execution to our comprehensive treasury management offerings. This is how we cut through the noise and build robust and scalable systems across all our business lines. We seek individuals who are driven by this systematic approach. Joining Flowdesk means you will be a key contributor in building and scaling a more transparent and efficient financial markets infrastructure. Flowdesk is scaling fast, and behind every world-class trading operation is a core engineering team who provide the single source of truth and a scalable platform for business units to leverage. We're hiring a Core Engineer to join the team and help lead the design and delivery of a new internal platform. Mission Be a key player in the newly formed Core Engineering team at Flowdesk to build a world class back office system which will serve as the backbone for Flowdesk's systems. Work alongside a seasoned team with deep product, buy side, and sell side experience in both Crypto and TradFi. Tasks DeFi Integrations - Collect all necessary on-chain data and integrate with decentralized protocols to power an accurate, real-time back office system. You will be responsible for ensuring management has a comprehensive, up-to-date view of all on-chain assets. This includes owning the full process from requirements analysis, task specification, implementation, to post-production support. Core Booking / Aggregation - Implement and enhance features in the core booking and aggregation engine (Realised / Unrealised P&L, Balances etc) ensuring performance, reliability and correctness. Reconciliation - Automate reconciliation of all trading and treasury activity across the firm implementing data feeds from internal systems, banking, exchanges and custodians. Reporting - Work closely with the Finance and other internal users to gather and refine requirements, plan milestones, demo progress, and coordinate cutovers from manual / legacy workflows. Data products and APIs - Expose well-versioned APIs and event streams for downstream consumers; maintain backward compatibility and schema evolution. Ways of working Follow established architecture and coding standards; participate in RFCs/design reviews and propose incremental improvements within existing patterns. Write clean, well-documented code and meaningful tests. Contribute to PR reviews; maintain up-to-date technical docs and diagrams. Own components end-to-end from spec to production support. Must Haves - Experience Lifecycle knowledge of crypto asset classes: spot, perpetuals, futures, and options (including DeFi implementations). Hands-on integration with DeFi protocols (DEX/AMM, lending, derivatives) such as Uniswap v3, Curve, Aave. Proven track record delivering scalable, reliable systems in production. Comfortable partnering with internal stakeholders across Trading, Ops, Compliance, and Engineering. Must Haves - Technical Strong OO background in one or more: Go, C++, C#, Java or Rust. Experience with Typescript and Python. API design (versioning, backwards compatibility, observability). Postgres schema design and query optimization. Experience with message queue / pub-sub systems. Familiarity with cloud environments (GCP, AWS, Azure), modern CI/CD and containerization. Nice-to-Haves - Experience Built or maintained position-keeping / accounting systems (PnL, accounting methods, pricing, greeks). Centralized reference data platforms (assets, networks, instruments), consistent symbology and instrument economics. Trading, risk, or back-office systems, ideally in regulated environments. Benefits International environment (English is the main language) Pension 100% health coverage Team events and offsites Recruitment Process HR interview (30') Technical interview - Hiring Manager (30') Take home assignment + Live coding session (90') Team Member Technical (45') CTO (45") Chat with the Head of People (30')

At Genestack we are tackling the underlying computational and scientific challenges of bioinformatics in order to provide researchers with software tools that will streamline the discovery process and drive forward precision medicine, drug development, and bioinformatics research. We are seeking a senior or lead-level Software Engineer with a strong focus on LLMs and agentic workflows to join our team. In this role, you will be instrumental in integrating LLM-powered features into our bioinformatics applications, working across both prototype exploration and scalable production deployments. We're building tools that help scientists extract, explore, and reason over complex biological data - and we need someone who is both passionate about AI and motivated to deliver real value in life sciences. If you feel these resonate with you, even if you are still developing your hands on production experience with AI technologies, reach out to us with no hesitation. In this role, you will: Design and implement LLM-based features into our applications using modern AI frameworks and methodologies, including RAG and agentic workflows. Work across the AI lifecycle - from rapid prototyping to robust production systems - validating ideas and ensuring they meet real-world performance standards. Explore and evaluate emerging AI tools and technologies (both proprietary and OSS), recommending and integrating those that bring meaningful impact. Collaborate cross functionally with product, data, and bioinformatics teams to ensure AI solutions are useful, performant, and aligned with scientific needs. Ensure reliability and efficiency of AI applications, including optimization of model outputs, latency, token usage, and system robustness in production. Evaluate and integrate open source models, tools, and frameworks when appropriate, ensuring they meet production quality standards, Implement and optimize LLM model serving/tuning pipelines for scalable deployment, Contribute to prompt design and evaluation strategies, helping to mitigate risks like hallucinations and overconfidence in real user environments. Provide technical leadership and mentoring for engineers contributing to AI features, fostering shared learning and best practices. We would like you to have: 6+ years in software development, with a strong foundation in computer science principles, data structures, and algorithms. Ability and motivation to rapidly learn and apply AI frameworks and workflows to production environments Track record of technical leadership (design/architecture reviews, mentoring, cross team alignment) - AI specific production history not required. Excellent skills in Python and a solid understanding of Java, enabling seamless integration of AI components into existing systems. Familiarity with LLM APIs from various vendors (e.g., OpenAI, Anthropic) and frameworks like LangChain or LlamaIndex - prior production deployment is welcome but not strictly required. Conceptual understanding of vector databases, retrieval pipelines, and semantic search; practical exposure (PoCs, prototypes, hack projects) is welcome, and production experience is a plus, not a must. Working knowledge of agentic execution patterns and prompt engineering principles - able to reason about trade offs and guide implementation even if not previously shipped to production. Ability to evaluate open source models, tools, and frameworks and outline integration paths; direct production integrations are optional. Exposure to (or readiness to quickly learn) LLM model serving/tuning (e.g., vLLM, TGI, Triton). Genuine interest in applying AI technologies to advance bioinformatics and contribute to life science innovations. Strong ability to convey complex ideas clearly and collaborate effectively within a team. Excellent verbal and written communication skills in English. It would be nice for you to have: Familiarity with LLMOps practices and observability frameworks. Knowledge of bioinformatics or exposure to real biological datasets. Exposure to frontend development (e.g., React) is a plus We offer you: international team of professionals; fully paid sick leaves; onboarding and domain training for newcomers; flexible work schedule.

At Genestack we are tackling the underlying computational and scientific challenges of bioinformatics in order to provide researchers with software tools that will streamline the discovery process and drive forward precision medicine, drug development, and bioinformatics research. We're looking for a Senior Bioinformatics Developer to lead delivery of robust omics data solutions across client projects and internal initiatives. This hybrid role spans pipeline development, scientific application delivery, and platform integration - with full ownership from scoping to deployment. You'll work closely with clients, product managers, and engineers to understand complex requirements and translate them into scalable, interoperable workflows. If you enjoy solving biological data challenges through a mix of analysis, automation, and architecture - this is your chance to make a difference in real-world R&D environments. In this role, you will: Lead end-to-end delivery of client and internal bioinformatics projects. Design pipelines for omics data ingestion, harmonization, and QC. Build and deploy scientific applications (e.g., dashboards, APIs, reports). Develop reusable tools for data wrangling, integration, and visualization. Integrate cloud/on-prem systems (e.g., S3, Nextflow, REST APIs). Support pre-sales, onboarding, and trial delivery when needed. Collaborate across product, engineering, and customer-facing teams. We would like you to have: Bachelor's or Master's degree in Bioinformatics, Computational Biology, or a related scientific/technical field. 5+ years of experience in delivering bioinformatics solutions in services or platform settings. Strong knowledge of Python or R; experience with reproducible workflows and APIs. Application development experience (e.g., Dash, Flask, Shiny). Familiarity with cloud infrastructure, workflow tools (Nextflow), and data protocols. Excellent communication skills in English and ability to operate across domains. Ability to balance delivery work with internal tooling contributions. It would be nice for you to have: prior experience as a Team Lead on bioinformatic projects; experience wit cloud deployment (AWS, GCP, Azure); JVM-based integration experience (e.g., Java, Kotlin). We offer you: international team of professionals; extended sick leave; onboarding and domain training for newcomers; flexible work schedule.

Key responsibilities: Demonstrate technical skills and aptitude needed to meet/exceed delivery velocity expectations as a full stack developer Essential Skills: A minimum of 3 years' experience delivering production grade applications using (Java, Python, .NET, JavaScript etc) with measurable impact (e.g., improved performance, reduced incidents).Experience building and maintaining CI/CD pipelines that reduced deployment time and increased release frequency without compromising qualityKnowledge of Agile methodologies (especially Agile XP), including paired programming and test-driven development. Hands on experience architecting and deploying distributed systems in the cloud including MicroServices architectures, achieving scalability and uptime targets. A minimum of 1 years' experience coaching or mentoring engineers with evidence of improving team capabilityProven ability to lead technical design and architecture decisions for complex, distributed systems, resulting in measurable improvements in scalability, security, or performance. Desirable Skills: Familiarity with OWASP top 10 and MITRE attack framework Experience and knowledge in web and API security including authentication, authorization, OAuth, OWASP, OpenID, and SAML. Experience with behavioral driven development Knowledge of LLMs and Machine Learning Knowledge of AI-assisted development tools (Copilot, Cursor) and ability to leverage them for productivity gains. Supervisory Responsibilities: There are no supervisory responsibilities for this role.

Java Engineer (Edinburgh) Must be Scotland based (no relocation) Must have Azure experience! £550-£700 (Inside IR35) 6 months initially (likely extension) We're looking for a Java Engineer, that has previous experience working with Azure, specifically Azure app services for a range of exciting projects click apply for full job details

About Marex Marex Group plc is a diversified global financial services platform, providing essential liquidity, market access and infrastructure services to clients in the energy, commodities and financial markets. It listed on Nasdaq Global Select Market in April 2024. With more than 35 offices in Europe, US and APAC, it has unique access across markets with significant share globally both on and off exchange. The depth of knowledge amongst its teams and divisions provides its customers with clear advantage, and its technology led service provides access to all major exchanges, order flow management via screen, voice and DMA, plus award winning data, insights and analytics. Technology Department The Technology Department delivers differentiation, scalability and security for the business. Reporting to the CEO, Technology provides digital tools, software services and infrastructure globally to all business groups. Software development and support teams work in agile 'streams' aligned to specific business areas. Our other teams work enterprise wide to provide critical services including our global service desk, network and system infrastructure, IT operations, security, enterprise architecture and design. Senior C# Developer - Analytics Development Team (London) We're looking for a highly skilled C# engineer with deep software engineering expertise and a strong understanding of financial markets. You'll contribute to the design and development of advanced pricing and risk platforms, including a high performance distributed computing and market data system that supports quantitative research and trading. This role involves close collaboration with technology, trading, and quantitative teams, ensuring solutions meet business objectives while promoting Agile best practices, robust architecture, and continuous innovation. We're seeking a strong C# engineer who's passionate about building scalable, high performance systems and developing innovative products that evolve with the business. Responsibilities Contribute to the architecture, design, and implementation of technology solutions developed and maintained by the team. Collaborate with the Software Development Manager to shape the development roadmap and define strategic priorities. Ensure all delivered systems meet production quality standards, are fully documented, and support a smooth handover for long term maintenance. Help define, promote, and uphold best practices in software engineering to ensure consistency, quality, and scalability across the team's work. Actively participate in Agile ceremonies - including sprint planning, stand ups, and retrospectives - ensuring principles are applied effectively. Support sprint delivery by ensuring stories and bugs are well defined, prioritised, testable, and accompanied by clear acceptance criteria. Troubleshoot, diagnose, and resolve support issues efficiently, maintaining a professional and customer focused approach. Comply with the Operational Risk Framework, meeting all regulatory, security, and company standards. Demonstrate and promote integrity, professionalism, and alignment with Marex values in all interactions. Skills and Experience Expert in C# Strong in Pythonn Hands on experience with React, JavaScript, and TypeScript for front end development. Proven exceptional mathematical and analytical abilities. Strong understanding of risk sensitivities ("Greeks"). Solid experience with derivative products. Skilled in working with SQL Server and MongoDB databases. Experience implementing Infrastructure as Code using Terraform or similar tools. Familiar with modern CI/CD pipelines and DevOps best practices. Knowledge of cloud technologies, ideally AWS (Amazon Web Services). Proficient in using unit and integration testing frameworks to ensure code quality and reliability. Strong understanding of Agile and Scrum methodologies. Methodical approach to software architecture and design, with the ability to apply the right design patterns and principles for each project. Excellent verbal and written communication skills, with the ability to convey complex Competencies Excellent verbal and written communication skills A collaborative team player, approachable, self efficient and influences a positive work environment Demonstrates curiosity Resilient in a challenging, fast paced environment Ability to take a high level of responsibility in a fast pace and high volume environment Excels at building relationships, networking and influencing others Additional Information If you're forging a career in this area and are looking for your next step, get in touch! Marex is fully committed to being an inclusive employer and providing an inclusive and accessible recruitment process for all. We will provide reasonable adjustments to remove any disadvantage to you being considered for this role. We value the differences that a diverse workforce brings to the company. We welcome applications from candidates returning to the workforce. Also, Marex is committed to avoiding circumstances in which the appearance or possibility of conflicts of interest may exist within the hiring process. If you would like to receive any information in a different way or would like us to do anything differently to help you, please include it in your application.

Transaction Banking - Software Engineering - Analyst / Associate - London location_on London, Greater London, England, United Kingdom WHO WE ARE At Goldman Sachs, our Engineers don't just make things - we make things possible. Change the world by connecting people and capital with ideas. Solve the most challenging and pressing engineering problems for our clients. Join our engineering teams that build massively scalable software and systems, architect low latency infrastructure solutions, proactively guard against cyber threats, and leverage machine learning alongside financial engineering to continuously turn data into action. Create new businesses, transform finance, and explore a world of opportunity at the speed of markets. Goldman Sachs Engineers are innovators and problem-solvers, building solutions in risk management, big data, mobile and more. We look for creative collaborators who evolve, adapt to change and thrive in a fast-paced global environment. Want to push the limit of digital possibilities? Start here. Transaction Banking (TxB) aims to bring innovative solutions to traditional banking and lending activities. We combine the strength and heritage of a 148-year-old financial institution with the agility and entrepreneurial spirit of a tech start-up. Our goal is to provide the best client experience. Using modern technologies centred on data and analytics, we provide customers with powerful tools that are grounded in value, transparency and simplicity to improve cash flow management efficiency. Payments lay at the heart of what we are doing in Corporate Cash Management and our mission is to build a market leading payment platform that meets our corporate client's needs. We are starting with a clean slate and one singular goal in mind: Build a highly scalable, resilient, 24x7 available cloud-based payment platform that our corporate clients can run rely on to run and grow their businesses. HOW YOU WILL FULFILL YOUR POTENTIAL As part of our global team, you will work on various technologies and components as an application developer. Your role includes specification, development, as well as the testing and roll out of new features focusing on code quality, automation, testability and security. Payment systems, due to their criticality present unique engineering challenges around resiliency, availability and scale. You will have the opportunity to contribute to the vision, understand our product roadmap and contribute to building an engineering culture within our global team. We expect the successful candidate to deliver high quality software and to be passionate about software engineering. You must have a proficient understanding of software development concepts. A good understanding of the Cloud and Container concepts is a plus. You will also be responsible to develop supportable software and liaise with our SRE (Site Reliability Engineering) team to factor in their requirements. Our flat structure requires and enables team members to evolve through the entire spectrum of the software life cycle and closely collaborate with product owners, business and operations users. We are looking for someone with lots of energy that has excellent communication skills, enjoys engineering challenges, has a passion to deliver high quality technology products and can operate in a highly fluid, rapidly changing environment. RESPONSIBILITIES AND QUALIFICATIONS Develop full stack applications with due consideration to security, design, validation and SDLC framework Collaborate with product managers, business operations, engineers to define product requirements, objectives in building customer centric products Manage multiple tasks and use sound judgment when prioritizing Must be passionate about technology and engineering Must be independent and comfortable in a fast paced, ambiguous and often multi directional work environment Exceptional analytical skills and ability to apply knowledge and experience in decision making to arrive at creative and commercial solutions Analyse existing software implementations to identify areas of improvement and provide deadline estimates for implementing new features Establish trusted partnerships with peers, product heads, and executive level stakeholders Ability to leverage technology to deliver business value B.S. or higher in Computer Science (or equivalent work experience) Minimum 2 years of relevant professional experience using a modern programming language (preferably Java) Experience in working with databases - NoSQL and/or Relational. Proficiency in development with Java, spring boot, REST APIs Proficiency with algorithms, data structures and software design Experience leveraging test driven development methodologies Comfort with Agile operating models (practical experience of Scrum/Kanban) Team oriented, strong interpersonal and communication skills Energetic, self directed, and self motivated Preferred Qualifications Experience with development and design of distributed systems Experience with Payments systems (understanding of the various payment networks) Experience in Financial Services or Fintech Experience with microservice architectures (SOA) Experience with Kafka, MongoDB, Hadoop, Cassandra Experience with SQL databases (PostgreSQL/Oracle/Sybase) Experience with AWS services - Amazon MSK/Apache kafka, ECS/kubernetes, S3 Experience with Snowflake Experience with Terraform Comfort with Agile operating models (practical experience of Scrum / Kanban) ABOUT GOLDMAN SACHS At Goldman Sachs, we commit our people, capital and ideas to help our clients, shareholders and the communities we serve to grow. Founded in 1869, we are a leading global investment banking, securities and investment management firm. Headquartered in New York, we maintain offices around the world. We believe who you are makes you better at what you do. We're committed to fostering and advancing diversity and inclusion in our own workplace and beyond by ensuring every individual within our firm has a number of opportunities to grow professionally and personally, from our training and development opportunities and firmwide networks to benefits, wellness and personal finance offerings and mindfulness programs. Learn more about our culture, benefits, and people at We're committed to finding reasonable accommodations for candidates with special needs or disabilities during our recruiting process. Learn more: Goldman Sachs is an equal opportunity employer and does not discriminate on the basis of race, color, religion, sex, national origin, age, veterans status, disability, or any other characteristic protected by applicable law. Healthcare & Medical Insurance We offer a wide range of health and welfare programs that vary depending on office location. These generally include medical, dental, short term disability, long term disability, life, accidental death, labor accident and business travel accident insurance. Financial Wellness & Retirement We assist employees in saving and planning for retirement, offer financial support for higher education, and provide a number of benefits to help employees prepare for the unexpected. We offer live financial education and content on a variety of topics to address the spectrum of employees' priorities. Health Services We offer a medical advocacy service for employees and family members facing critical health situations, and counseling and referral services through the Employee Assistance Program (EAP). We provide Global Medical, Security and Travel Assistance and a Workplace Ergonomics Program. We also offer state of the art on site health centers in certain offices. Fitness To encourage employees to live a healthy and active lifestyle, some of our offices feature on site fitness centers. For eligible employees we typically reimburse fees paid for a fitness club membership or activity (up to a pre approved amount). Child Care & Family Care We offer on site child care centers that provide full time and emergency back up care, as well as mother and baby rooms and homework rooms. In every office, we provide advice and counseling services, expectant parent resources and transitional programs for parents returning from parental leave. Adoption, surrogacy, egg donation and egg retrieval stipends are also available. Benefits at Goldman Sachs Read more about the full suite of class leading benefits our firm has to offer.

Lead Software Engineer (Java / Typescript) We are looking for a highly skilled Lead Software Engineer to take ownership of one of our clients core platform systems. In this pivotal role, you will guide a talented engineering team, ensuring the stability, performance, and ongoing evolution of a mission-critical product area. Youll balance technical leadership with hands-on engineering, driving new f click apply for full job details