153 information technology jobs found in London

Senior Java Software Engineer – FX Options Risk (VP) This position is responsible for designing, developing, and optimizing our mission-critical, high-throughput FX real-time risk system. As a Senior Software Engineer, you will leverage your deep technical expertise to drive the architectural evolution of low-latency processing systems, solve complex engineering challenges, and provide technical guidance to the engineering team. In this front-office facing role, you will collaborate closely with the FX Options Trading desk, translating business needs into robust, scalable, real-time software solutions.  Responsibilities  Technical Execution & Architecture  Design, implement, and optimize  critical FX real-time risk infrastructure, ensuring high performance, minimal latency, and high availability.  Drive key technical deliverables  and champion code quality, modern development practices, and robust system design patterns within the team.  Provide expert...

At Moody's, we unite the brightest minds to turn today’s risks into tomorrow’s opportunities. We do this by striving to create an inclusive environment where everyone feels welcome to be who they are—with the freedom to exchange ideas, think innovatively, and listen to each other and customers in meaningful ways. Moody’s is transforming how the world sees risk. As a global leader in ratings and integrated risk assessment, we’re advancing AI to move from insight to action—enabling intelligence that not only understands complexity but responds to it. We decode risk to unlock opportunity, helping our clients navigate uncertainty with clarity, speed, and confidence. If you are excited about this opportunity but do not meet every single requirement, please apply! You still may be a great fit for this role or other open roles. We are seeking candidates who model our values: invest in every relationship, lead with curiosity, champion diverse perspectives, turn inputs into actions, and...

LSEG is seeking a  Head of Analytics Engineering  to lead the strategy, design, and delivery of Analytics products and capabilities underpinning our Cross Asset, Fund, Private Markets and Predictive Analytics offerings, reporting to the Data and Analytics Engineering CIO.  This role owns the end-to-end engineering of analytics capabilities across these offerings—including pricing, risk, derived metrics, and predictive (AI/ML-driven) analytics—ensuring they are scalable, production-grade, and aligned to client workflows.   This role sits at the intersection of financial domain expertise, large-scale distributed systems engineering, and applied AI/ML, with accountability for how analytics products are engineered, productionised, and scaled across LSEG.  AI/ML underpins predictive analytics capabilities and is increasingly embedded across Cross Asset, Fund, and Private Markets offerings; this role is accountable for establishing the engineering frameworks required for model...

Knowledge Graph & Semantics Consultant Location: London (Hybrid) | Practice Area: Data & Analytics | Type: Permanent Turn complex data into connected knowledge that drives smarter decisions. The Role Financial services firms face significant challenges – and opportunities – in how they manage and extract value from increasingly complex data. Their ability to compete, comply and transform depends on connecting information across data silos and turning it into knowledge that people and machines can meaningfully understand. Graph and Semantics Engineering are emerging enterprise data technologies that use ontologies, advanced analytics and AI to represent knowledge in expressive and innovative ways. Next-generation AI systems powered by knowledge graphs can help organisations manage complexity, provide greater context and deliver more explainable outcomes. As a Knowledge Graph & Semantics Consultant, you’ll help our clients understand, design and implement...

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 and...

Low Latency Java 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...

We are seeking an exceptional, high-caliber Senior Software Engineer / Developer to join our Commodities Technology team based in London . Sitting at the intersection of quantitative and high-performance software engineering, this role is dedicated to delivering mission-critical market data infrastructure, services, and analytics feeds for our global Commodities trading desks.   As a senior individual contributor in a front-office environment, you will drive the architecture, design, and implementation of robust, low-latency market data pipelines and services across Commodities asset classes (Energy, Metals, Agriculture) with cross-asset touchpoints in FX, Rates, and Equities. You will partner directly with Front Office Traders, Model Quantitative Analysis (MQA / Quants), Market Risk, and Operations teams to build scalable solutions and integrate next-generation Generative AI and Agentic AI workflows into the development and trading lifecycle. Key Responsibilities 1....

About the Team Join Citi’s Enterprise AI Products team, a small, high-impact global team building innovative AI solutions for the wider bank. We are at the forefront of Agentic AI , developing capabilities that enable data sharing across agent ecosystems, support new Agentic AI use cases and shape modern AI architecture through purpose-built tooling. This is an opportunity to work at the intersection of cutting-edge technology and real business impact.   The Role We are looking for a seasoned Lead AI Engineer to combine hands-on engineering and architecture with strong business engagement. You will work directly with business partners to understand real-world problems, translate them into technical solutions and support successful delivery and adoption of our AI platforms.   This is a senior role within a deliberately flat team where you will have significant ownership and influence. You will help shape the platform strategy and roadmap, while gaining exposure to...

Services is a leading provider of cash management, treasury, trade, clearing, depository receipts and commercial cards services. Services has a global network spanning more than 90 countries and is unique in the industry for its reach, interoperability, and flexibility. We provide clients with dynamic information, platforms, tools, and APIs to effectively manage their portfolios, financial positions, working capital and supply chains.  CitiDirect serves as the unified digital gateway for clients to access our full suite of services.     CitiDirect is seeking an experienced Lead Developer to oversee development, partner with global dev teams to drive large programs of work and ensure technical excellence from the team.     The ideal candidate will be a hands-on developer with strong leadership skills and the ability to build talent within the organization.  The role will be focused on modernizing CitiDirect’s Payment flow, with a focus on the validation layer for payments.  This...

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...

The Quantitative Analyst is a strategic professional who closely follows latest trends in own field and adapts them for application within own job and the business. Strong commercial awareness is a necessity. Excellent communication skills required in order to negotiate internally, often at a senior level. Provides advanced judgment and conducts in-depth quantitative or qualitative analysis to solve problems and develop new, innovative solutions. Required to think beyond existing solutions, assumptions or current knowledge of sophisticated areas. Significant impact on a function and/or the business through making decisions that determine technical approaches and strategies for the area. Position Objective: Design, build and extend backtesting infrastructure that drive production code paths with historical data. This is in the context of automated market-making models for the rates business Develop and implement automated market-making models and data-driven trading tools for...

Citi is looking for a Quantitative Analyst to help shape the next generation of its FX Options electronic pricing platform, working at the intersection of quantitative finance, software engineering, and live trading. This is a hands-on engineering-focused quant role embedded within a front-office environment, offering real ownership over pricing infrastructure that directly supports business growth and automation. You will collaborate daily with traders, structurers, and technologists to build and evolve production-grade systems that price and manage risk across complex financial instruments.   Responsibilities Develop analytics libraries that power real-time pricing and risk management across FX Options products. Implement, maintain and enhance production electronic pricing, risk management and automation capabilities across the FX Options business, applying appropriate quantitative techniques where required. Contribute to the evolution of the electronic pricing platform,...

Citi is hiring a Senior Quantitative Analyst to help shape the next generation of electronic pricing and automation capabilities within its FX Options business. This is a high-impact individual contributor role where you will own the full lifecycle of quantitative change — from design and implementation through to production deployment, validation, and ongoing business adoption. If you have delivered production-grade quantitative systems in fast-paced front-office environments and are ready to bring fresh approaches to one of the world's leading global banks, this role offers genuine scope to make a lasting mark.   Responsibilities Design and build analytics libraries that power pricing and risk management for the FX Options trading business, directly supporting electronic pricing and automation workflows. Implement, maintain and enhance production electronic pricing, risk management and automation capabilities across the FX Options business, applying appropriate quantitative...

Senior Blockchain 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 Senior Blockchain 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 software engineering network. We are looking for...

Senior FX Cross Border Payments and AI Engineer   Overview As the world’s most global bank, Citi gives you the tools to be a trailblazer. We’re not just building technology; we’re building the future of banking. With thousands of employees located around the globe, we are an international team encompassing a broad range of teams, roles, and cultures, and we invite you to come and join us!   Citi’s technology team supports business operations in 100+ countries, across multiple lines of business spanning both Institutional and retail businesses. The group works to optimize the IT environment by standardizing production platforms, reducing complexity, and introducing innovative solutions that provide new business capabilities, reduce total cost of ownership, and create a competitive advantage for Citi.   We want to regularly engage with talented individuals who are passionate about producing clean, testable code as part of a high performing team. We have found this...

  Senior FX Prime Brokerage and AI Engineer   Overview As the world’s most global bank, Citi gives you the tools to be a trailblazer. We’re not just building technology; we’re building the future of banking. With thousands of employees located around the globe, we are an international team encompassing a broad range of teams, roles, and cultures, and we invite you to come and join us!   Citi’s technology team supports business operations in 100+ countries, across multiple lines of business spanning both Institutional and retail businesses. The group works to optimize the IT environment by standardizing production platforms, reducing complexity, and introducing innovative solutions that provide new business capabilities, reduce total cost of ownership, and create a competitive advantage for Citi.   We want to regularly engage with talented individuals who are passionate about producing clean, testable code as part of a high performing team. We have found...

Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From deploying advanced AI to helping shape global markets, we build systems that matter. Look to join a team where your work helps influence economies, your ideas can drive innovation and outcomes, and your growth is backed by mentorship, continuous learning and flexibility with potential hybrid work opportunities. Help solve real-world challenges that touch millions and get the opportunity to build the future of finance with Citi Tech. The Fixed Income Algo technology team in EMEA supports Citi’s internal market-making and algorithmic trading capabilities for the Spread Product algo trading business. This is a unique and challenging opportunity for an experienced software engineer to contribute to one of the industry's largest and...

Citi Treasury and Trade Solutions Group provides the industry's most comprehensive suite of treasury and trade solutions, including cash management, Trade and Working capital Solutions and commercial card programs and services. The role is responsible for leading the Trade and Working Capital Solutions Technology organization and is part of the TTS Technology Senior Management Team (SMT) and Trade and Working Capital Solutions Executive committee. The role will be driving and executing the TTS Trade and Working Capital Technology strategy, architecture and execution mainly focused growth, digitization and transformation, delivering scalability, risk reduction and providing enriched client experience in a timely manner. Trade and Working Capital Solutions technology is a team of over 800 engineers, servicing needs of the TTS client base across 90+ countries and processing an average of 1.5MM transactions per month.   As we continue to grow and evolve, there is a strong mandate...

You and your team, Applied Solutions & Production (ASP) is an in-house technical team within Evaluated Pricing Operations (EPO). The team currently consists of staff in the US, Costa Rica, and Poland. As part of a small team, you will be a key member in helping shape and build the future of technology for EPO fixed income pricing. Why is this job important? The ASP team designs, develops, and supports various tools used by the fixed income evaluations staff of EPO. These tools are fundamentally integrated into the daily production process of EPO. Errors in the production pricing processes can lead to negative client impacts if not address quickly. As such, the tools and software must be scalable and robust, and you must fully understand the processes/workflows around those tools to help resolve errors in real-time.  The team additionally supports subject matter experts in research to develop new pricing algorithms and approaches in validating pricing accuracy through the use...

End Date Saturday 10 October 2026 Salary Range £102,864 - £154,296 We support flexible working – click here for more information on flexible working options Flexible Working Options Flexibility in when hours are worked, Hybrid Working, Job Share Job Description Summary . Job Description JOB TITLE: Golang Lead Engineer SALARY: £84,624 - £128,580 (dependent on location and expereince) LOCATION(S): London and Bristol 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 We are looking for a Golang Lead Engineer to lead the technical development and delivery of backend services that are reliable, secure, scalable and easy to operate! This role sits within Software Engineering and offers the opportunity to shape the Group's Mobile Security Core and wider backend capabilities. You'll combine hands-on...