senior software engineer- java jobs in London

At FDJ UNITED, we don't just follow the game, we reinvent it.FDJ 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,...

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...

Runa is pioneering a first-of-its-kind payment rail that enables the seamless, global money movement at scale. Legacy banking and payment infrastructure struggles to support the demands of today's low-volume, high-velocity payouts, leading to inefficiencies in global payouts. Businesses worldwide send over $20 trillion annually in rewards, remittances, and...

CreateFuture in Edinburgh, Leeds, Manchester, London or remote locations seeks a Senior Software Engineer to build scalable Java, Node.js and AWS backends. You will shape architecture, mentor engineers, and drive AI/automation initiatives across client engagements. Strong design sense, collaboration and delivery focus are essential.You will design APIs,...

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...

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...

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...

## Senior Software Engineer - (Java/AI) LifecycleApply: City of London - United Kingdom: Full time: Posted Today: End Date: October 26, 2026 (20 days left to apply): R\\_17941**Job Title**Senior Software Engineer - (Java/AI) Lifecycle**Job Description****So, who are we?**IG has been at the centre of retail trading and investment since 1974, when we...

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...

Job Title Senior Full Stack Engineer - (AI enablement) Lifecycle Job DescriptionSo, who are we? IG Group is a FTSE 100 fintech operating across five continents, serving over 1.4m customers and handling billions of dollars in transactions – built on scale, trust, and proof. We didn't pivot to innovation; it's how we've always operated. What that means for...

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...

Working at CreateFutureCreateFuture is an AI-native consulting partner where people do work that matters and are supported to do it well. We work alongside organisations such as PayPal, adidas, NatWest, FanDuel and Money Saving Expert, building digital products and services that make a difference  while always putting people first. We’re a team of...

Senior Software Engineer - (Java/AI) Client Platform**Job Description****So, 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 -...

                           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...

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 - (Java/AI) Brokerage ServicesApply: City of London - United Kingdom: Full time: Posted Today: End Date: October 26, 2026 (20 days left to apply): R\\_17905**Job Title**Senior Software Engineer - (Java/AI) Brokerage Services**Job Description**# **So, who are we?**IG has been at the centre of retail trading and investment...

Do you enjoy designing and developing scalable, high-performance applications using Java and 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...

Job TitleSenior Software Engineer - (Java/AI) Client PlatformJob 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 -...

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...