senior software engineer- java jobs in London

OverviewFDJ UNITED is one of Europe’s leading betting and gaming operators, with a vast portfolio of iconic brands and a reputation for technological excellence. With more than 5,000 employees and a presence in around fifteen regulated markets, the Group offers a diversified, responsible range of games, both under exclusive rights and open to competition....

About ARQARQ is one of the fastest-growing fintechs in the world. Our mission is to redefine how people interact with money across borders, building the infrastructure to move value seamlessly. We’re still early in our journey, which means every person who joins shapes the future of our product, culture, and growth. If you’re excited by big challenges,...

HKEX Group in London is seeking a Senior Engineer to design and implement complex software solutions in a fast-paced, regulated environment. You will liaise with analysts, owners, and architects to translate requirements into robust designs and code.Expect active participation in reviews, documentation, and deployment pipelines, with a focus on reliability...

DescriptionAt Engine by Starling, we are on a mission to find and work with leading banks all around the world who have the ambition to build rapid growth businesses, on our technology. Engine is Starling's software-as-a-service (SaaS) business, the technology that was built to power Starling, and two years ago we split out as a separate business. Starling...

Job TitleSenior Software Engineer - (Java/AI) LifecycleJob DescriptionSo, who are we?IG has been at the centre of retail trading and investment since 1974, when we helped create the market for financial spread betting. Today, we're a FTSE100 fintech operating across five continents, serving over 700,000 clients and handling billions in transactions - built...

DescriptionAt Engine by Starling, we are on a mission to find and work with leading banks all around the world who have the ambition to build rapid growth businesses, on our technology. Engine is Starling's software-as-a-service (SaaS) business, the technology that was built to power Starling, and two years ago we split out as a separate business. Starling...

This position is no longer open for applicationsSalary: GBP81999 - GBP91110 per annumJOB TITLE: Senior Software EngineerLOCATION(S): LondonHOURS: Full-timeWORKING PATTERN: Our work style is hybrid, which involves spending at least two days per week currently, or 40% of our time, at our office location.About this opportunityWe're on a mission to build the...

Raytheon UK is seeking a Senior Software Engineer in London to design and build enterprise software in an agile, cross‑functional team. The role requires active eDV clearance and onsite work with potential remote/hybrid options depending on role and site requirements.Applicants should have strong Java/Spring Boot experience, modern frontend skills...

Job TitleSenior Software Engineer - (Java/AI) Brokerage ServicesJob DescriptionSo, who are we?IG has been at the centre of retail trading and investment since 1974, when we helped create the market for financial spread betting. Today, we're a FTSE100 fintech operating across five continents, serving over 700,000 clients and handling billions in transactions...

Elsevier is seeking a Senior Software Engineer I (Java & Python) to join the Submission and Editorial platform. You will build Document Intelligence capabilities to transform unstructured manuscripts into structured data, enabling AI-driven features and smarter editorial experiences at scale.You'll work with AWS, microservices, and event-driven...

Catapult is seeking a Senior Software Engineer to design, build, and evolve our web-based football analytics platform. You will work across backend services and frontend UX/UI to deliver data-driven features for professional teams.Based in London, you will own features from design through production, collaborate with Product and other engineering teams, and...

At Engine by Starling, we are on a mission to find and work with leading banks all around the world who have the ambition to build rapid growth businesses, on our technology.Engine is Starling's software-as-a-service (SaaS) business, the technology that was built to power Starling, and two years ago we split out as a separate business.Starling has seen...

Are you passionate about building modern, scalable software solutions that make a meaningful impact?Do you enjoy collaborating across global teams, solving complex technical challenges, and using emerging technologies to drive innovation?About the BusinessLexisNexis® Risk Solutions provides customers with solutions and decision tools that combine public and...

Are you passionate about building modern, scalable software solutions that make a meaningful impact? Do you enjoy collaborating across global teams, solving complex technical challenges, and using emerging technologies to drive innovation? About the Business LexisNexis® Risk Solutions provides customers with solutions and decision tools that combine public...

Are you passionate about building modern, scalable software solutions that make a meaningful impact? Do you enjoy collaborating across global teams, solving complex technical challenges, and using emerging technologies to drive innovation? About the Business LexisNexis® Risk Solutions provides customers with solutions and decision tools that combine public...

About ThreecoltsThreecolts is the leading software suite for online & offline consumer brands (Amazon, Walmart, Target, Shopify, eBay, etc.). We’ve built a powerful ecosystem of software solutions to help businesses grow smarter — from revenue recovery and retail finance, to multichannel operations and pricing optimization. With over 500 employees...

Compensation: GBP 87,500 - GBP 111,000 - yearly Company Description Wise is a global technology company, building the best way to move and manage the world's money.Min fees. Max ease. Full speed. Whether people and businesses are sending money to another country, spending abroad, or making and receiving international payments, Wise is on a mission to make...

Testing Site - JPMC is seeking a Senior Software Engineer to advance data solutions within a fast-paced, agile environment. The role emphasizes building scalable data platforms, strong Java 17+ development, and cloud-based analytics using AWS.You will collaborate with data partners and cross-functional teams to deliver trusted, market-leading technology...

Senior Software Engineer I (Java & JavaScript)Do you enjoy designing and developing scalable, high-performance applications using Java and JavaScript?About the team:You will join the Identity & Access Management team, which owns the authentication and authorisation infrastructure underpinning Elsevier's global product suite.We build and operate a highly...

Senior Software Engineer I (Java & Python)Would you like to help create products to support the sharing of scientific knowledge?Do you enjoy collaborating to solve complex technical problems?About the team:The Submission and Editorial platform is at the heart of Elsevier's publishing ecosystem, supporting millions of interactions between researchers,...