java application developer jobs in London

OverviewWe are seeking a Full Stack Developer to join the Credit & Rates Trading team at a leading investment bank. This role will be central to the re-engineering of several legacy trading applications, contributing to the design and delivery of modern, real-time trading systems.Key RequirementsCandidates must demonstrate strong technical expertise in...

About the company: Apexon is a digital-first technology services firm specializing in accelerating business transformation and delivering human-centric digital experiences. We have been meeting customers wherever they are in the digital lifecycle and helping them outperform their competition through speed and innovation Apexon brings together distinct core...

HundredStar Games is an independent video game developer based in Hackney Wick, East London, founded by Jamie Walker and Sefton Hill, previous founders of Rocksteady and the creative leadership team behind Rocksteady’s Batman Arkham series.Growing to a maximum of 100 people over the next few years, we’re doing things differently at HundredStar, so we can...

About The Job Your Considering You’ll be joining a passionate, professional and highly skilled team of developers who specialise in agile custom software development and integration at an enterprise scale. Innovation in delivery is always at the forefront of our minds, which is why we utilise a variety of Open Source and proprietary technologies to achieve...

Fantastic opportunity to join a world-leading alternative investment manager, using innovative and cutting-edge technology. Forget the stuffy world of finance you thought you knew; developers here are tech-driven and truly world-class. Now looking to hire a strong Software Engineer, with Java and/or Python expertise, to join Post-Trade Engineering where...

Who We AreAt Kyndryl, we run and reimagine the mission-critical technology systems that drive advantage for the world’s leading businesses.  We are at the heart of progress; with proven expertise and a continuous flow of AI-powered insight, enabling smarter decisions, faster innovation, and a lasting competitive edge. For our people—Kyndryls—that...

Application Support Engineer Fintech 50,000 Plus BonusQuant Capital is urgently looking for an Application Support Engineer to join or high profile client.Our client is the world’s leading investment data platform with a major background in fund accounting and financial data.They are driven by technology and their software is used by 90% of the words...

P ublié le 13/10/2026 C DI / SII United Kingdom M ## **ISSION** W e are seeking a highly skilled S**enior Java Engineer** to join a collaborative Agile engineering team delivering scalable, cloud-native solutions. This role is ideally suited to an experienced engineer who is passionate about software craftsmanship, enjoys knowledge sharing, and...

We're Hiring: Lead Data Engineer (Java) Locations: Newcastle, Glasgow, Manchester, or London Clearance: Active SC Clearance is highly preferred (SC eligible candidates will be considered) Contract Duration: 13+ months Salary: 400-427 per day Inside IR 35 UMB Are you an expert Data Engineer with strong Java programming skills? Join our AI & Data team to...

About Atos GroupAtos Group is a global leader in digital transformation with c. 56,000 employees and annual revenue of c. 7.2 billion (at the go-forward perimeter), operating in 54 countries under two brands - Atos for services and Eviden for products and systems. European number one in cybersecurity and a leader in cloud, Atos Group is committed to a secure...

Job Description: AWS AI Solutions Architect Base Location: UK Solution Architecture & AI Innovation Design end-to-end AWS solutions covering AI/ML/GenAI, cloud-native applications, data platforms, and modernization. Lead PoC and demo creation including GenAI, Copilot-style, and agentic AI demonstrations. Define scalable, secure, high-performance...

Trading Application Support Engineer Quant Capital is urgently looking for a Trading Application Support Engineer to join a high-profile client. Our client is a well known global Prop Trading firm. They value technology especially the opensource variety as well as scalability and robust performance (much like their track record). They use technology to gain...

Application Support Analyst – Fintechupt to 30KQuant Capital is urgently looking for an Application Support Analyst to join or well known Fintech50 client who produces software disrupting the wealth management market.The Application Support role has come around due to an expansion and strategic change, the Support Executive will report in to the head of...

Duration: Until December 15, Location: Hybrid (primarily remote; anticipated onsite 1–2 days per quarter, Toronto or Wtaerloo) As a Senior Software Engineer, this candidate will design, develop, and support modern cloud-native applications and data solutions on AWS. You will work across software engineering, data platforms, and DevOps practices to deliver...

About usOur mission at the UCL GOS Institute of Child Health is to maximise and advocate for the holistic health of all children, young people and the adults they will become, through world-class research, education and public engagement.The UCL GOS ICH, together with its clinical partner Great Ormond Street Hospital for Children, forms the largest...

Company description ADVANCE YOUR CAREER.Check you match the skill requirements for this role, as well as associated experience, then apply with your CV below.ADVANCE THE WORLD.At AMD, we believe technology has the power to solve the world's most important challenges.From advancing healthcare and scientific discovery to powering AI and the technologies people...

Our client is a global IT services company. Job Description: Senior Client Lead – Application Transformation Role OverviewWe are seeking a senior client-facing leader to help shape, sell, and deliver complex Application Transformation engagements for enterprise clients. The individual will combine strategic consulting capability with deep hands-on...

Join to apply for the Java Developer role at OLM SystemsJoin to apply for the Java Developer role at OLM Systems Locations: Teddington, Glasgow, or Newport (Hybrid) Salary: Up to £39,000 per annum, depending on experienceJoin OLM Systems, the UK’s leading provider of case management solutions for social care and community health. We build modern SaaS...

About Us: Based in San Francisco, California, Turing is the world's leading research accelerator for frontier AI labs and a trusted partner for global enterprises deploying advanced AI systems. Turing supports customers in two ways: first, by accelerating frontier research with high-quality data, advanced training pipelines, plus top AI researchers who...

Quant Developer Quant Capital is urgently looking for a Quant Developer to work for our high profile investment management vendor.Our client is a well known global wealth management HFT software business. They provide valuations and pricing of derivatives to most of the buy side. The Quant Developer will be involved in the design and development of OTC...