java software engineer jobs in London

About The Role One of the world’s leading fintech firms is expanding their London headcount and is looking for highly Agile Java Engineers to join their group. They are looking for people of varying seniorities to join their Agile squad and drive best practices such as TDD, BDD, and pair programming. This firm is exceptionally tech-driven and has...

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,...

Build market leading technology products that are secure, scalable, and built for performance. You will work in a cross‑functional agile team that continuously improves how we design, build, deliver, and operate enterprise solutions. This role gives you the opportunity to deepen your full stack skills while solving real business problems across multiple...

Sanderson Recruitment is seeking a skilled software engineer for a major UK Defence and National Security programme based in London, Manchester, or Cheltenham. The role focuses on building and delivering solutions in a highly secure environment, with on-site collaboration at core locations.Ideal candidates have strong Python or Java skills, AWS proficiency,...

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 their lives easier and save them money. As part...

Software Engineer, Developer, Backend – Java – Identity - IAM, Security Contract – Until End of December 2026 (Renewable) Rate: £600 per day – Inside IR35 Location:Essex based offices (between Brentwood and Basildon) 4 days a week The banking and finance arm of one of the world's leading manufacturing companies and a household name is seeking...

We are building the financial system for the next century. One where control sits in the hands of customers — not banks. Where money moves on rails that are faster, smarter, and radically more efficient. Where wealth management tools help you grow your savings for decades — and build generational wealth. Where fewer intermediaries mean more value stays...

We are building the financial system for the next century. One where control sits in the hands of customers — not banks. Where money moves on rails that are faster, smarter, and radically more efficient. Where wealth management tools help you grow your savings for decades — and build generational wealth. Where fewer intermediaries mean more value stays...

J.P. Morgan is seeking a Lead Software Engineer in London to join Digital Markets Execution Technology. You will contribute technically across multiple areas, ensuring secure, scalable production code and robust observability for trading systems.You will lead architecture discussions, code reviews, and incident response while mentoring engineers and...

Software Developer Remote – monthly travel 400-500 outside IR35 Requires Active SC ClearanceOverviewWe are seeking an experienced Software Engineer to join a critical digital transformation programme supporting the UK Defence and National Security sector.Please read the following job description thoroughly to ensure you are the right fit for this role...

Threecolts is seeking a Senior Software Engineer to own backend services and APIs, primarily across C# and Java‑based systems. You’ll design scalable components, debug production issues, and work with Product, QA, and DevOps to deliver reliable features for Inventory Lab.You’ll collaborate across a product‑led ecommerce environment, writing clean...

HCLTech is a global technology company, home to 219,000+ people across 54 countries, delivering industry-leading capabilities centered on digital, engineering and cloud, powered by a broad portfolio of technology services and products. We work with clients across all major verticals, providing industry solutions for Financial Services, Manufacturing, Life...

How often do you get the opportunity to join a major organisation and build something genuinely greenfield from the ground up? The Company Pulse Group are exclusively partnering with one of the UK’s largest and most recognised retail organisations as they build a brand-new engineering capability within their Customer Fulfilment technology...

Lead Java Engineer Outside IR35 / Remote / £550 / Start ASAP / 6 months initial contract We're looking for an experienced Lead Java Engineer to join a consultancy delivering a major digital project within UK Government. You'll be taking a hands-on lead role within an Agile engineering team, helping to deliver robust, scalable services using...

Our Asset and Wealth Management division is driven by innovators like you who are driven to create technology solutions that make us work more efficiently and help our businesses grow. It's our mission to efficiently take care of our clients' wealth, helping them get, and remain properly invested. Across 27 cities, our team of 4,600 agile technologists...

About Us:Solirius Reply, part of the Reply Group, is a technology consultancy and digital transformation partner that helps organisations solve complex challenges through strategy, design, engineering, and delivery.We work closely with our clients to deliver secure, accessible, user-focused services that evolve with their needs. By combining deep technical...

As a Senior Java Developer within Core Team, you will play a crucial role in the development of our Back Office and integration services. This position provides the opportunities to work on several greenfield projects, from concept designs to deploying and implementation, but also gain production experience. You'd be a great fit if you are a reliable...

Join Netcompany in leveraging technological innovations to foster societal transformation.Netcompany was awarded 5th position on the esteemed UK Top 50 Best Places to Work in the Glassdoor Employees’ Choice Awards for 2024. As one of the fastest growing technology companies, we are disrupting the marketplace and revolutionizing the way businesses operate....

Role: Java Low Latency Engineer / Java Performance Engineer Location: London / Hybrid - 3 days in London office Day rate: DoE Sector: Wealth Management, Investment Banking, Asset Management, Personal & Corporate Banking We are seeking an experienced Java Low Latency Engineer / Java Performance Engineer to join a high-performing engineering team...

About Us: Solirius Reply, part of the Reply Group, is a technology consultancy and digital transformation partner that helps organisations solve complex challenges through strategy, design, engineering, and delivery. We work closely with our clients to deliver secure, accessible, user-focused services that evolve with their needs. By combining deep technical...