46 senior java engineer jobs found in London

Role Overview: The Senior Java Full-Stack Engineer is an experienced, individual contributor position responsible for designing, developing, and implementing high-quality, end-to-end application systems and programs in coordination with the Technology team. The overall objective of this role is to drive application systems analysis, technical design, and programming across the full technology stack, leveraging modern technologies and AI-driven development practices. Responsibilities: Actively participate in the entire software development lifecycle (SDLC), from requirements analysis and technical design to coding, testing, deployment, and maintenance of both front-end and back-end components. Design, develop, and maintain resilient and scalable back-end services and APIs using   Java   and a   microservice-based architecture . Design, develop, and implement intuitive and responsive user interfaces with a strong focus on front-end technologies like   React or Angular...

Senior Java Developer Business Unit: FTSE Russell – Index Platform Company: London Stock Exchange Group (LSEG) About Us LSEG (London Stock Exchange Group) is more than a diversified global financial markets infrastructure and data business. We are dedicated, open-access partners with a dedication to excellence in delivering the services our customers expect from us. With extensive experience, deep knowledge and worldwide presence across financial markets, we enable businesses and economies around the world to fund innovation, manage risk and create jobs. It’s how we’ve contributed to supporting the financial stability and growth of communities and economies globally for more than 300 years. Through a comprehensive suite of trusted financial market infrastructure services – and our open-access model – we provide the flexibility, stability and trust that enable our customers to pursue their ambitions with confidence and clarity. LSEG is headquartered in the United...

Future Talent: Senior Java Engineer Location: UK – London/ Nottingham Position Type: Future Opening – Talent Pipeline The Opportunity We are always on the lookout for the brightest Java engineers in our London and Nottingham locations to help us build robust, enterprise-grade solutions that drive real-world impact. Although we do not have an immediate opening today, we are establishing this "Talent Pool" to connect with forward-thinking Java professionals early. By joining our talent community, you’ll get a unique insight into our engineering culture, engage with our team through informal gatherings, and be the first to hear about new roles that match your expertise—so we can fast-track your application straight to the final interview stage when the perfect opportunity arises. What You’ll Do (When You Join Us) As a Java Engineer at LSEG you will solve sophisticated challenges that demand a strong command of distributed systems, scalable architectures, and...

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. Role Overview The Senior Automation Engineer is a senior, hands-on role within the FX eTrading technology stack, responsible for owning backend automation capability, testing delivery, and release quality assessment for assigned applications or functional areas. The successful candidate will...

Senior Backend Engineer – Java Location: London (Hybrid) | Practice Area : Technology & Engineering | Type: Permanent Power the platforms behind modern finance. Shape cloud-native solutions with Java at their core. The Role We’re seeking a Senior Backend Engineer (Java) to join our Technology & Engineering team. You’ll bring expertise in building robust, scalable, cloud-native applications using Java, Spring Boot, and AWS. Working on high-impact platforms for Tier 1 financial institutions, you’ll lead backend design, champion agile best practices, and contribute to the evolution of modern banking technology. What You’ll Do Design and build microservices-based applications using Java 11+ and Spring Boot Deliver enterprise-ready cloud solutions, with a focus on AWS infrastructure and services Build and manage robust CI/CD pipelines and ensure secure, scalable deployments Write comprehensive tests and implement quality-driven development...

ABOUT US: LSEG (London Stock Exchange Group) is more than a diversified global financial markets infrastructure and data business. We are dedicated, open-access partners with a dedication to excellence in delivering the services our customers expect from us. With extensive experience, deep knowledge and worldwide presence across financial markets, we enable businesses and economies around the world to fund innovation, manage risk and create jobs. It’s how we’ve contributed to supporting the financial stability and growth of communities and economies globally for more than 300 years. Through a comprehensive suite of trusted financial market infrastructure services – and our open-access model – we provide the flexibility, stability and trust that enable our customers to pursue their ambitions with confidence and clarity. LSEG is headquartered in the United Kingdom, with significant operations in 65 countries across EMEA, North America, Latin America and Asia Pacific. We employ...

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. What We do / The Team The Senior Business Analyst position is responsible for understanding business problems, analyzing them thoroughly, finding appropriate solutions and working with development squad to implement them. This BA position requires good analytical knowledge on Fixed Income and...

Core Engineering Java Development Lead – FX Tech (SVP) 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. This is a hands-on role for a Java expert who enjoys building high-quality robust and scalable services, shaping technical direction, and working with modern event-driven architectures. You'll play a key role in designing, building and evolving...

Are you looking for a career move that will put you at the heart of a global financial institution? Citi's mission is to serve as a trusted partner to our clients by responsibly providing financial services that enable growth and economic progress. By joining Citi, you will become part of a global organisation at the forefront of financial innovation — where technology, data, and product converge to shape the future of Investor Services. About the Role The role of Product Manager is evolving. It is no longer sufficient to write requirements and hand them to engineering. The most impactful product leaders today are those who can think in systems, prototype in code, and ship with conviction. We are hiring a Technical Product Manager within our Investor Services division to own the product vision and roadmap for strategic platform initiatives (including Citi Velocity today and Citi Direct in the future), while being highly technically literate and ready to build...

Team Overview XiP is building a next-generation cross-asset calculation system for Citi trading desks and enterprise users in the largest global financial markets and exchanges in New York, London, and other major financial hubs. Our team owns multiple Java Spring Boot Services that execute, partition, and track quantitative risk graphs/trades in a distributed environment. These graphs can fail due to their complexity and our system must adapt quickly to these failures to provide a seamless experience for clients.  XiP Compute Services are deployed onto OpenShift and Amazon’s Elastic Kubernetes Service (EKS). An important initiative in 2025 will be onboarding Google’s Kubernetes Engine to further expand our coverage. Our system scales on-demand, and we can run up to tens of thousands of replicas of our services across all asset classes.  Role Overview We are seeking a Senior Engineer to fill the role of ‘Applications Development Technology Lead Analyst’ on the...

FX Client & Sales Technology - Senior Software Engineer (SVP) The STIRT Engineering Lead is a  London-based Senior Vice President  responsible for the  hands-on design, architecture, and implementation  of the full front-to-back technology platform supporting the STIRT business. This role sits at the intersection of engineering excellence and business partnership, requiring deep engagement with traders, quants, and stakeholders across FX and Rates desks. The role demands a  technically deep, hands-on engineering leader  with strong expertise in capital markets systems, responsible for driving the strategic evolution of STIRT technology — spanning curve construction, RFQ and pricing workflows (for FX and Interest Rate Derivatives) — while managing a globally distributed engineering team. The successful candidate will own the end-to-end technology vision for STIRT, eliminating fragmentation across trading units and delivering a modern, high-performance, resilient platform...

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....

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....

As part of our global technology team, you will be working with a group of passionate engineers who build technical solutions to complex business problems. We are going through a very exciting phase of transformation in margin and collateral domains in Markets Technology, and you will be required to participate in the whole spectrum of building a software solution, closely working with product teams and users. We expect you to contribute to our vision of building a strong engineering culture within our global teams. This role is for someone who enjoys solving engineering challenges, has experience in building robust and high-quality solutions, has excellent communication skills and can manage multiple priorities simultaneously. Qualifications: Bachelor’s degree in computer science or engineering field involving software programming or systems engineering Hands-on professional software development experience Proficiency in programming in mainly Java, React...

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....

Senior Low Latency Engineer 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. What We do / The Team This 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...

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....

ABOUT US: LSEG (London Stock Exchange Group) is more than a diversified global financial markets infrastructure and data business. We are dedicated, open-access partners with a dedication to excellence in delivering the services our customers expect from us. With extensive experience, deep knowledge and worldwide presence across financial markets, we enable businesses and economies around the world to fund innovation, manage risk and create jobs. It’s how we’ve contributed to supporting the financial stability and growth of communities and economies globally for more than 300 years. Through a comprehensive suite of trusted financial market infrastructure services – and our open-access model – we provide the flexibility, stability and trust that enable our customers to pursue their ambitions with confidence and clarity. LSEG is headquartered in the United Kingdom, with significant operations in 70 countries across EMEA, North America, Latin America and Asia Pacific. We...

ABOUT US: LSEG (London Stock Exchange Group) is more than a diversified global financial markets infrastructure and data business. We are dedicated, open-access partners with a dedication to excellence in delivering the services our customers expect from us. With extensive experience, deep knowledge and worldwide presence across financial markets, we enable businesses and economies around the world to fund innovation, manage risk and create jobs. It’s how we’ve contributed to supporting the financial stability and growth of communities and economies globally for more than 300 years. Through a comprehensive suite of trusted financial market infrastructure services – and our open-access model – we provide the flexibility, stability and trust that enable our customers to pursue their ambitions with confidence and clarity. LSEG is headquartered in the United Kingdom, with significant operations in 70 countries across EMEA, North America, Latin America and Asia Pacific. We employ...

Senior Low Latency Rust Engineer 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. What We do / The Team This 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...