71 senior software developer jobs found in London

CDSClear IT Risk - Senior Java Developer 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...

Role Profile Are you passionate about making developers' lives easier, faster, and more fulfilling? Do you dream of streamlining workflows, squashing bugs, and fuelling innovation? We're on a mission to supercharge our engineering culture by building a world-class Developer community that's the envy of the industry. In this role, you'll be joining our Engineering Team within Engineering Excellence & Productivity (EXP) as a Technical Lead. Developer Platforms’ mission is to: Enable rapid developer onboarding to LSEG developer tools, ensuring they become productive quickly to build applications on their chosen Cloud platform Improve Developer Experience by increasing their ability to improve cadence of delivery of new features Unlock Developer Capacity and enable greater Innovation by modernising tooling and processes Ensure that development on the integrated platform is both secure and compliant by design Tech Profile/Essential Skills Good knowledge of...

Senior Data Engineer, SwapClear  JOB DESCRIPTION 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...

Role profile: We are seeking a skilled Senior UI Developer with a solid understanding of JavaScript and React to join our dynamic team in the LCH Digital platform. The ideal candidate will have extensive experience of building micro frontends using webpack. Your main responsibility will be to design, implement, and maintain robust and scalable React frontends deployed into AWS. ROLE SUMMARY: Design, develop, package and support scalable, reliable, and secure React micro frontends in our AWS infrastructure Lead UI delivery for all new requirements for over 20 existing micro frontend apps. Engage with the wider UI community at LSEG and ensure we are meeting and contributing to group UX standards. Liaise closely with Business, Infrastructure, Support, Testing and Operational teams to ensure the delivered functionality meets all requirements Work with the team to identify areas of improvement and contribute to improve ways of working Take ownership of deliveries from...

End Date Thursday 01 January 2026 Salary Range £72,702 - £109,053 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: Software Engineer SALARY: £70,929 – £78,810 LOCATION(S): Bristol HOURS:  Full-time – 35 hours per week 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. About this opportunity At Lloyds Banking Group we're building a bank for the future, and we need your help. Lloyds Banking Group is the UK’s leading digital franchise, with over 13 million active online customers across our three main brands; Lloyds Bank, Halifax and Bank of Scotland. Our technology, our culture, and our mind-set is changing to craft a truly engineering-led organisation. In Analytics & AI, our mission is to automate...

A World-Changing Company Palantir builds the world’s leading software for data-driven decisions and operations. By bringing the right data to the people who need it, our platforms empower our partners to develop lifesaving drugs, forecast supply chain disruptions, locate missing children, and more. The Role Join the Substrate Edge Team at Palantir, where we are responsible for mission-critical production infrastructure — encompassing hundreds of Kubernetes clusters across on-premises deployments, from large data centres to small-footprint edge devices. We are now seeking a Senior Infrastructure Engineer with specialised experience in Ceph to boost the scale and reliability of our ruggedised Kubernetes offerings under novel operating constraints. If you are passionate about infrastructure at scale, have a deep understanding of Ceph, and are eager to engage with the broader open-source community, we encourage you to apply for this exciting opportunity. As a...

About the Role: Grade Level (for internal use): 09 About the Role:   Grade Level (for internal use):   09   The Location: London, Uni ted Kingdom   S&P Global Ratings is looking for a highly motivated, enthusiastic and skilled senior developer to join Commercial Desktop team within Commercial Engineering , a team of technology professionals who define and execute the strategic roadmap for S&P Global Ratings Commercial team . The successful candidate will participate in the design and development of Commercial Desktop platform to help improve commercial workflows and overall productivity.   The Team : Join the Rating Organization’s Commercial Desktop Engineering Team, known for its expertise in commercial workflow s and various technology stacks. This team values knowledge sharing, collaboration, and a unified strategy to build S&P Ratings'...

Job Title Senior Engineer: Java Job Description So, who are we? Hello, we're IG Group. We are an FTSE250 FinTech company who run mobile, web and desktop platforms that help our clients trade stocks & shares, leveraged products, Futures & Options and Crypto. We are ambitious. Over 340,000 people already use our platforms. We're global with offices in 18 countries and products in 16 regions. We're hungry to move faster, ship better product for our customers and grow our user base. We believe in high autonomy, and we want people who are looking to do things differently in order to create better experiences for our customers. We work in cross-functional teams and are laser focused on increasing the number of active clients we serve to drive sustainable growth. Your team This role is part of our Digital Platform Services team, who are responsible for delivering central services to the divisions in an API first way by utilising AI to pioneer of AI-first...

🌍 About us: Scope Markets, the brand used by the Rostro Group offers institutional and retail trading services to businesses and traders worldwide. Our top management team has more than 20 years of experience in the industry, and we are proud of the solid partnerships we built over the years. Whether it's a business or individual, Scope Markets has a wide range of trading solutions that are compliant, flexible, cost-efficient, innovative, and place the client first.    🔍 The role:  The Senior Developer will serve as a technical leader within the product and development team, taking ownership of the client portal, admin portal, onboarding journey, and other background services as needed. This role involves full stack development responsibilities, utilizing both front-end and back-end technologies, and ensuring seamless integration with internal and third-party services. 🚀 How you can make a difference: Develop software solutions aligned with the team's...

LSEG and Microsoft have entered an exciting strategic partnership for the development of next-generation data, analytics and cloud infrastructure solutions. Our customers’ needs are evolving and so are financial markets. This partnership will transform the way customers discover, analyse and trade securities around the world. It will also advance our cloud strategy and build the improved resilience, efficiency and agility that our customers need. All of Microsoft’s customers will also have access to our data and analytics capabilities through a single flexible infrastructure that is intuitive and responsive. If you are interested in being a part of this dynamic strategic partnership, we look forward to considering your skills and experience. ROLE PROFILE: The Tech Lead, Quantitative Analytics Engineering role will manage a group of quantitative analytics application developers and consulting partnerships to design, build and deliver Analytics product solutions for a global...

The LSEG DevSecOps Engineering team inside the cyber security division is looking for Senior Software Engineers to build tools and automations to help secure software development for thousands of developers across the group.   You will be working as part of a geographically distributed remote team comprising of security engineers and software engineers. Our team’s mission is to allow engineers to embed security best practices frictionlessly as part of their day to day work.   The ideal candidate will have the following skills:  Deep understanding of cyber security principles, secure software development, and threat modeling Experience conducting security assessments, code reviews, and vulnerability management across diverse technology stacks Experience in building full-stack products (web applications, APIs, CI tooling or low-level software)  Hands-on experience with cloud technologies (AWS, GCP, Azure) and containers (Docker, Kubernetes), with a focus on...

About us: 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 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. 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...

FTSE Russell is a leading global provider of financial services, specializing in the creation and management of indexes, data, and analytic solutions. A subsidiary of the London Stock Exchange Group (LSEG), FTSE Russell supports investors worldwide in making informed decisions across asset classes, investment strategies, and market segments. Its products are trusted by institutional and retail investors, asset managers, and pension funds to benchmark performance, build investment portfolios, and manage risk. With a reputation for innovation, transparency, and robust governance, FTSE Russell plays a critical role in shaping global financial markets. Job Summary: FTSE Russell is seeking a hands-on dynamic software development leader to drive a team of software engineers building robust equity index capabilities and indexes. The candidate demonstrates an understanding of the index construction process or a significant market data knowledge, combined with a solid, global,...

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....

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...

LSEG (London Stock Exchange Group)  is a world-leading  financial markets   infrastructure  and  data  business. We are dedicated, open-access partners with a commitment to excellence in delivering services across  Data & Analytics ,  Capital Markets , and  Post Trade . Backed by three hundred years of experience, innovative technologies, and a team of over  23,000  people in  70  countries, our purpose is driving financial stability, empowering economies, and enabling customers to create sustainable growth. As a Senior Dev Ops engineer you should have a strong background in modern automation tooling and processes as well as experience maintaining clustered applications. Additionally, you should be experienced in owning issues through to completion by working proactively with project teams. Primary Responsibilities: Build code to provision the full stack from infrastructure through to application Deploying, automating, maintaining, and managing DevOps...

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 commitment to excellence in delivering the services our customers expect from us. LSEG Data & Analytics team is seeking a highly technical, hands-on Java developer. Our group is focused on bringing a new level of efficiency, transparency and openness to the trading process by building a collaborative community of investors, brokers, technology firms and content providers. Through our modular, end-to-end trade management platform, users can: execute everything from simple single stock trades to complex strategies across markets and time zones and manage their risk throughout the trade lifecycle; access our growing network of execution brokers to route Equities, Futures or Options orders globally, as well as dozens of integrated prime and clearing brokers through our growing suite of middle office tools; and...

Role: Product Risk Assessment Lead - Cyber & Tech Risk (PL) Grade: GG14 Profile: People Leader Application Health (AppHealth) is a new initiative to provide greater visibility and assessment to the Cyber and Technology Risk aspects of LSEG’s in-service application estate. This new role will be the Product Owner for AppHealth; including holding the vision, and driving the development of the Product and the overall capability, in conjunction with adjacent teams who deliver the engineering solution and the accompanying service provision. This initiative is currently in the early stages of development after successful proofs of concept, with a defined future demand and enhancement runway and emerging target operating model. This includes both technology and greater alignment with the Group’s corporate planning function; providing insight and feedback on targeted risk reduction activity. This role is within a broader Security Architecture team comprising both...

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...

As part of the Sales Team, you will hunt for new prospects and opportunities with new and existing customers. Highly driven, you meet and exceed targets, winning trust with your natural people skills and have an in-depth proposition knowledge.  You know how to structure deals and how to leverage market and business acumen to outsell the competition. With a close eye on the sales pipeline, you will identify more opportunities on a daily basis and you will inspire customers to renew their contracts with us automatically.   Data and Analytics Division   We are a global leader in data and analytics, providing a broad range of investment solutions and indices, trading workflow, capital market and wealth advisory, and risk intelligence. We work as a partner to our customers in every major global market. The quality and integrity of our data helps to give our customers the confidence to make critical decisions, create leading investment and trading products, and drive...

FTSE Russell | LSEG Technology FTSE Russell is a leading global provider of financial services, specializing in the creation and management of indexes, data, and analytic solutions. A subsidiary of the London Stock Exchange Group (LSEG), FTSE Russell supports investors worldwide in making informed decisions across asset classes, investment strategies, and market segments. Its products are trusted by institutional and retail investors, asset managers, and pension funds to benchmark performance, build investment portfolios, and manage risk. With a reputation for innovation, transparency, and robust governance, FTSE Russell plays a critical role in shaping global financial markets. Job Summary: FTSE Russell is seeking a junior software engineer to be part a dynamic team building the distribution capabilities of our index products to the financial community worldwide. The distribution platform encompasses the set of systems that deliver our indexes to clients who subscribe to...

FTSE Russell | LSEG Technology FTSE Russell is a leading global provider of financial services, specializing in the creation and management of indexes, data, and analytic solutions. A subsidiary of the London Stock Exchange Group (LSEG), FTSE Russell supports investors worldwide in making informed decisions across asset classes, investment strategies, and market segments. Its products are trusted by institutional and retail investors, asset managers, and pension funds to benchmark performance, build investment portfolios, and manage risk. With a reputation for innovation, transparency, and robust governance, FTSE Russell plays a critical role in shaping global financial markets. Job Summary: FTSE Russell is seeking a senior software engineer to be part a dynamic team of software engineers building all distribution capabilities of our index products to the financial community worldwide. The distribution platform encompasses the set of systems delivering our indexes to the...

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 over 60 countries across EMEA, North America, Latin America and Asia Pacific. We...

End Date Thursday 29 January 2026 Salary Range £104,686 - £190,898 We support flexible working – click here for more information on flexible working options Flexible Working Options Hybrid Working, Job Share Job Description Summary The Identity & Authentication Platform delivers capabilities to enable LBG business areas secure client and digital authentication and identity across all their digital channels. The Platform delivers core products including Identity & Authentication as a Service, giving end-to-end packaged services of several components for self-serve consumption. As a Tech Lead, you’ll be responsible for leading a talented group of engineers, guiding them through the complexities of software engineering and overseeing the delivery of robust, scalable solutions. You’ll demonstrate your technical expertise to ensure that our products meet the highest standards of performance, reliability, and security while aligning with our strategic...