88 lead engineer jobs found

We are seeking a Lead Engineer to head the   next generation   XiP Compute Service (XCS 2 ) team .   The team works across both Java and Python, and   significant experience   in at least one of these languages is   required .   In this role you will design, build, and   maintain   the   future   engine room of Citi's enterprise-scale XiNG Platform (XiP) .   You will be working on a Greenfield build of a major new   component . The current generation of the product   is responsible for   1.5 billion risk   c alculations at Citi every day. The next generation of the product is expected to double the customer base and bring in huge new workloads.   You will work closely with other software engineers, DevOps, and our customers to define technical strategy and ensure the reliable, secure, and scalable operation of the platform.   Responsibilities:   Take   a lead in defining   the long-term strategic...

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. We are a collaborative and well-established team united by high engineering standards and renowned for continuous shipment of clean rigorously tested code to production multiple times a week - a pace we only anticipate accelerating with AI adoption. We are seeking a Senior Full-Stack Engineer to...

Join Citi's XVA Technology team in London as a Lead Software Engineer at Vice President level, and take on a role at the intersection of advanced software engineering and AI-driven innovation — at a firm where your code, your decisions, and your ideas operate at global scale. This role is built for a hands-on engineer with deep AI and software development expertise who can independently set and drive a technical agenda — building production systems, embedding intelligent tooling, and owning project outcomes across a complex, high-impact domain. You will work alongside high-calibre engineers and engaged business partners to architect, build, and deliver solutions that redefine how XVA risk is calculated and managed globally. Responsibilities Design, build, and maintain scalable, high-performance software solutions for XVA risk systems, writing and reviewing production-quality code while ensuring alignment with enterprise architecture standards. Build and integrate AI 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. We’re looking for a hands-on engineering lead with a passion for building AI-powered products and shaping engineering culture. You’ll provide technical leadership while remaining close to the code, partnering with teams across the organisation to build scalable developer platforms, influence engineering...

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...

26983950 Lead Web3 Engineer - Digital Assets 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 An Digital Assets Platform Web3 Engineer must be a highly motivated and proactive hands-on software engineer ( Back End, Java Focus ), have a proven ability and experience working with web applications in production. The successful candidate will be part of the core team continuing to build our Citi Integrated Digital Assets Platform (CIDAP) . The ideal candidate will be a self-driven, proactive, strong enterprise developer and resourceful team player who can comfortably work with a large team of highly motivated individuals within Citi’s larger softwzare engineering network. We are looking for candidates who understand...

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...

Role Profile The Senior lead Scala Engineer will play a key role in the engineering and delivery of a critical market‑infrastructure service within the Equities platform, with a strong focus on AWS cloud‑native development. Reporting directly to the Senior Technical Delivery Engineer, Post Trade, the successful candidate will be responsible for designing, implementing, and maintaining performant, resilient, and scalable backend services built predominantly in Scala. As a senior member of the engineering team, this individual will help shape technical direction, contribute to best-in-class engineering standards, and actively support the continued growth and evolution of the business. This exciting opportunity requires a candidate to take Pride in their work and Ownership of their work. Have excellent engineering skills, communication skills, can-do behaviour and highly collaborative. Always positively encouraging the team. Key Responsibilities A strong focus on...

Lead AI Engineer (Principal Consultant) Location: London (Hybrid) | Practice Area : Technology & Engineering | Type: Permanent Empower the next frontier of AI with Capco. Shape, build, and deliver future-ready generative systems. The Role We’re looking for a Lead AI Engineer (Principal Consultant) to join our Technology Delivery Team. You’ll combine your expertise in AI/ML engineering and software development to build and deploy cutting-edge generative AI and agentic systems across the financial services sector. As a hands-on leader, you’ll architect AI solutions, embed them within enterprise environments, and drive impactful outcomes through advanced engineering, scalable pipelines, and deep cross-functional collaboration. What You’ll Do Architect and develop autonomous AI systems integrating multi-modal LLMs (text, image, audio, video) Design agentic workflows enabling AI agents to interact with data sources and APIs using prompt engineering and RAG...

End Date Wednesday 02 September 2026 Salary Range £92,701 - £109,060 We support flexible working – click here for more information on flexible working options Flexible Working Options Hybrid Working, Job Share Job Description Summary . Job Description JOB TITLE: Senior Lead Data & AI Scientist SALARY: £92,701 - £108,000 LOCATION(S): Manchester HOURS: Full Time WORKING PATTERN:  Our work style is hybrid, which involves spending at least two days per week, or 40% of your time, at one of our office sites.  About this opportunity Do you want to shape how AI, machine learning and agentic technologies improve the financial wellbeing of millions of customers? As a Senior Lead Data Scientist and AI & Machine Learning Engineer within our Financial Wellbeing Platform, you'll play a leading role in defining and delivering innovative AI solutions that help colleagues and customers make better financial decisions. You'll work across...

We’re looking for a hands-on engineering lead with a passion for building AI-powered products and shaping engineering culture. You’ll provide technical leadership while remaining close to the code, partnering with teams across the organisation to build scalable developer platforms, influence engineering strategy and drive the adoption of Generative AI and modern engineering practices.   Key Responsibilities Drive the design and delivery of enterprise-scale applications supporting critical business functions and large user populations. Remain hands-on with software architecture, system design, code reviews and engineering decision-making. Set technical direction across full-stack ecosystems spanning frontend, backend, APIs, cloud services and platform components.. Partner with senior technology and business stakeholders to align platform strategy with organisational priorities. Deliver high-profile, business-critical programmes with significant operational and...

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...

Solution Designer, RTGS Technology Location: Leeds Job Description RTGS is the Bank of England's Real Time Gross Settlement service - critical national infrastructure that underpins the UK financial system, settling hundreds of billions of pounds each day. We are looking for a Solution Designer to play a key role in shaping how RTGS evolves. Working closely with engineering teams, you will ensure that changes - particularly across payment flows, integrations, and platform services - are clearly understood, buildable, and resilient before and during delivery. This role sits at the intersection of strategy, architecture, and delivery, turning roadmap intent into clear, practical designs grounded in real engineering experience - ensuring solutions work in practice, not just in theory, including failure scenarios, recovery, and operational constraints. Flexible Working Options This role is open to flexible working patterns, these may include: Flexible...

This is a chance to be at the heart of a major transformation within a global financial leader. We are building new GenAI-powered solutions from the ground up, and we're looking for a skilled full-stack engineer to help us shape the future of our technology. You will work on high-impact projects and be part of a collaborative and forward-thinking team. Key Responsibilities: Build impactful GenAI solutions:   Within your first year, you will contribute to the design and delivery of our new GenAI platforms, directly impacting the productivity of thousands of developers. Shape our technical direction:   You will contribute to the technical vision for our full-stack ecosystems, encompassing the frontend, backend, APIs, cloud services, and platform components. Collaborate and innovate:   You will work closely with technology and business partners to align our application strategy with organisational priorities and deliver key business projects with significant operational...

End Date Monday 07 September 2026 Salary Range £72,702 - £80,780 We support flexible working – click here for more information on flexible working options Flexible Working Options Hybrid Working, Job Share Job Description Summary . Job Description JOB TITLE:  Senior Data Quality Engineer SALARY: £72,702 - £80,780 LOCATION:  Bristol HOURS:  Full Time WORKING PATTERN:  Our work style is hybrid, which involves spending at least two days per week, or 40% of our time, at our Bristol office location  About this opportunity The Growth, Data & Analytics Platform (GDA), part of the Consumer Relationships Business Unit, plays a pivotal role in delivering the Group’s personalisation strategy - making customer interactions more relevant while unlocking the full potential of Cloud technology. As the GDA platform undergoes a major transformation, this is a unique opportunity to join as a Senior Data Quality Engineer . You’ll be at the...

Contract type: Permanent Location: Alderley Park Working style: Hybrid Closing Date: 7th September 2026       We’re looking for a Senior Software Engineer (Oracle) to join our Long Standing Customer Group Technology and Change function at Royal London. This is a great opportunity for an experienced Oracle engineer to play a key role in designing, developing and delivering high‑quality software solutions that meet business and customer needs.   Reporting to a Lead Software Engineer , you’ll work as part of a collaborative team, contributing strong technical expertise across the full software development lifecycle.     About the role     Designing, developing, testing and implementing complex software solutions within Oracle Carrying out impact assessments for complex changes to existing applications Producing and agreeing technical designs in advance of development and in line with agreed standards Ensuring all code meets Royal London...

Job Overview Citi is seeking a highly accomplished and visionary  SVP, Digital Assets Platform Engineering Lead  to spearhead the continued evolution of the  Citi Integrated Digital Assets Platform (CIDAP) . This is a senior leadership role requiring a rare combination of deep technical mastery, strategic thinking, and proven people leadership. The successful candidate will serve as both a technical authority and a team lead, guiding a high-performing group of engineers in the design, delivery, and operationalization of enterprise-grade blockchain and digital assets infrastructure at global scale. This individual will be a key voice in shaping Citi's digital assets engineering strategy, working at the intersection of traditional financial services technology and the emerging decentralized ecosystem. As a SVP leader, you will operate with a high degree of autonomy, influence cross-functional outcomes, and be accountable for the platform's technical direction, engineering...

Java Engineer (Core Settlement), RTGS Technology Location: Leeds Job Description This is an opportunity to take a senior engineering role inside one of the UK's most critical technology environments. RTGS settles on average £800bn per day and is Critical National Infrastructure. The Core Settlement team owns the software at the heart of that service - including the core settlement engine and the services responsible for transaction processing, settlement behaviour, and financial state across RTGS. As a Java Engineer in the Core Settlement team, you will build, operate, and continuously improve the Java services that underpin RTGS settlement. You will work independently on meaningful pieces of work, take clear ownership of what you deliver, and be expected to bring your own engineering judgement to the problems in front of you. This team follows a "you build it, you own it model". You are responsible not just for delivering software, but for how it...

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. Prime Brokerage Technology provides solutions that underpin the operations of our clients and traders that provide the foundation of our Prime Finance business. This is an area of great opportunity and is a major growth target for Citi – with technology providing the key to unlock this potential....