senior java backend developer jobs in London

 Job Description: Position: Senior C++ Developer (Global Exchange - remote) Location: Remote (US / London / HK / Singapore) Company Overview: TRB Executive Search Limited is a leading global executive search firm specializing in the financial services industry. We work with top companies in the global exchange market and provide...

CMC Markets is seeking a Senior Low Latency Java Developer to join our Quantitative Strategies team within Pricing & Risk, working on our high-performance, high-frequency trading platform.This is a hands-on role at the core of our market-making technology stack, where nanoseconds matter and engineering excellence is critical. You will design and build...

Description👋 About UsNALA is building Payments for the Next Billion. Faster, smarter, and fairer transfers for everyone. Since 2022, we've grown our business 120x, grown the team from 9 to 150+, raised $50M+ from top-tier investors, and were named to the Forbes Fintech 50 in 2025 and 2026.We operate two core products:NALA, our consumer app making...

Job descriptionTreasurySpring is the product of an obsession with fixing the fundamental structural problems in money markets. Our fascination with the sector began painfully, during the Global Financial Crisis of 2008, where we had a front-row seat to watch the evaporation of liquidity in fixed income and the near collapse of the entire short-dated funding...

Technology: Progress OpenEdge, Java, Platform ArchitectureLocation: Crawley, LondonRole SummaryWe are seeking an experienced Platform Architect to define and drive the long-term technical vision, architecture, and strategy for a business-critical on-premise back-office platform. This role will provide strategic technical leadership across multiple...

Adecco Pontoon is an employment consultancy. We put expertise, energy, and enthusiasm into improving everyone's chance of being part of the workplace. We respect and appreciate people of all ethnicities, generations, religious beliefs, sexual orientations, gender identities, and more. We do this by showcasing their talents, skills, and unique experience in...

Senior Full Stack Kotlin Developer Location:Bristol- Hybrid (2 days onsite) Salary:£55,000- £70,000We are seeking a Senior Full Stack Kotlin Developer to join a growing digital consultancy delivering transformative digital solutions for a range of Public and Private sector clients. Working within multidisciplinary teams, you'll design, build and deliver...

Java Software Developers (SC Cleared)ð London (4 Days Per Week Onsite) ð· 40,000 – 100,000 + Benefits (Junior, Mid or Senior roles)ð Active SC Clearance Required | Must Be Eligible for eDVAbout the OpportunityWe're partnering with a growing technology consultancy delivering cutting-edge software solutions across the Defence and National Security...

Senior DeveloperDepartment: IT & InnovationEmployment Type: Full TimeLocation: London OfficeDescriptionMenzies is an equal opportunities employer which means that we recruit, employ, train, pay, and promote regardless of race, religion, national origin, gender, sexual orientation, disability or age. We are building a first-class team and, to do so, we know...

About Octopus ElectroverseWe’re making electric vehicle public charging simple, by building the giant, virtual charging platform of the future. In just five years, Octopus Electroverse has become Europe’s largest eMobility charging network, with over 1.4 million connected electric vehicle chargers globally across 79 countries. Our customer ecosystem...

Company DescriptionLegal & General (L&G) is a leading UK financial services group and major global investor. We’ve been safeguarding people’s financial futures since 1836, and strive to build a better society, while improving the lives of our customers and creating value for shareholders. We are one of the world’s largest asset managers and provide...

Luxoft in London is seeking a Senior Full Stack Java Engineer to design, develop, and deliver enterprise integration solutions connecting Loan IQ with upstream and downstream platforms.You will leverage AI-assisted development tools and Agentic AI practices to automate SDLC processes, improve coding efficiency, testing, debugging, and documentation while...

About usOoga Booga is Berachain’s pioneering and native liquidity aggregator, designed to seamlessly and efficiently orchestrate swap executions. Our platform is dedicated to optimizing user journeys on our intuitive frontend while also serving as the preeminent facilitator for swap executions throughout external dApps.Job DescriptionWe are on the lookout...

Company DescriptionOverviewSpecialist role DeveloperSummary of the work UKTI Digital has been tasked to investigate and build a number of services, both internal and external facing, and is actively looking to expand its already passionate and strong technical team and requires a senior frontend developer experienced in user research-driven development...

About Octopus Electroverse We’re making electric vehicle ownership as smart and as simple as possible, by building the giant, virtual charging platform of the future. In just five years, Octopus Electroverse has grown to become one of the largest eMobility players globally, with over 1,400,000 connected electric vehicle chargers and a customer ecosystem...

Senior Full Stack Developer Location: London Contract: Contract Working Pattern: Office-based We’re looking for an experienced Senior Full Stack Developer to join a small development team building and maintaining a complex, business-critical internal platform. This is a hands-on senior role with genuine technical ownership. You’ll take requirements...

A technology consulting firm in the City of London is seeking a Senior/Principal Java Developer specialized in low-latency systems for the financial services sector. The role involves developing high-performance Java applications, eliminating performance bottlenecks, and maintaining a flexible work schedule. Candidates should have expertise in JVM internals...

Updraft. Helping you make changes that pay off.Updraft is an award winning, FCA-authorised, high-growth fintech based in London. Our vision is to revolutionise the way people spend and think about money, by automating the day to day decisions involved in managing money and mainstream borrowings like credit cards, overdrafts and other loans.A 360 degree...

Who We AreAt JD.com, also known as JINGDONG, we are building one of the world’s most trusted technology and supply chain ecosystems. What started as a bold idea in China has evolved into a NASDAQ-listed, Fortune 44 global enterprise serving over 700 million active customers. Powered by advanced logistics, innovative technology, and a commitment to...

A leading technological organization is hiring a Senior Fullstack Engineer with a backend focus to join their remote team. This role involves core product engineering on the Feeld mobile app and backend systems, requiring extensive backend development experience with TypeScript and AWS technologies. The company promotes an inclusive work culture, offering...