132,411+ Java Developer Java Developer Lead Jobs in London, UK — Local Employers Hiring July 2026

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Big Data Developer

We’re Hiring: Big Data Developer | Start Date: 14th July 2026 Job Title: Big Data Developer (Python) Job Type: Full-time Salary: £35,000 – £45,000 per year Experience: 2–5 years Job Description We are urgently hiring a Big ...

Transcat Developer (Temenos T24)

Fancy working for a long established international bank with amazing benefits? Work right in the heart of the west end with lots to see and do? Work with the latest verions of T24? If so we could have the job for you... Role T 24 Developer AKA T24 Technical Consultant, T24 Technical specialist, T24 Systems Analy ...

Remote Full Stack Developer Healthcare & Microservices

Sivara GmbH is seeking a dynamic Full Stack Software Developer to join our growing team. This role offers the option to work fully remote or in a hybrid model, supporting healthcare organizations through innovative data integration and technical solutions. Key responsibilities include developing user interfac ...

Android Architect — Cross Border E commerce

JD.COM is looking for an experienced Android Developer based in Greater London. You will be responsible for designing and developing features for our cross-border e-commerce Android application, focusing on product browsing and transactions. Your role includes ensuring optimal performance across multiple devi ...

Quant Trade Desk Assistant in London Quant Capital

Experience of Computer Science Maths Stats or Comp Sci Degree from top 50 UK University An interest and some coding ability (Ruby, Go, Lua, Scala, Python or C++ or OO Language) An appetite for delivering solutions to complex problems The environment is that of Facebook ...

Senior Developer 2

Job Title: Junior Developer Location: London Salary: Competitive We are looking for a talented and enthusiastic Junior Developer to join our dynamic team in the accounting/financial/insurance industry. This is a full-time role with a permanent contract, based in our office in Lond ...

Camunda Lead Full Stack Developer London, UK Full time Hybrid

Camunda Lead Full Stack Developer Location: London, UK About the Job you are considering: We are seeking experienced Camunda Lead Full Stack Developer with strong expertise in banking domain who will oversee the planning, execution, and successful delivery of projects. < ...

Lead Developer with Open Text

Lead Developer with OpenText This position will contribute to the planning, development, and administration of an enterprise content management system, the underlining infrastructure, and their integration with other enterprise systems and applications. The Lead Developer will also provid ...

Java Engineer Equity Volatility in London Millennium

Java Engineer - Equity Volatility The successful candidate will join a global team that designs and develops Equities Volatility Risk and PnL and Market data systems. The candidate will work hands‑on with other developers, QA and production support teams. The team interacts with key stakeholders s ...

Software Engineer Java API AWS

Software Engineer / Developer (Java API AWS) London / WFH to £90k Are you a technologist with strong Java backend development skills? You could be progressing your career working on a financial tech‑for‑good product in a hands‑on Software Engineer role at a scale‑up software house. The pl ...

Quantitative Developer

Overview Quantitative Developer | New York or London | Systematic Hedge Fund We're working with a leading multi-strat hedge fund seeking a Quantitative Developer to join their core systematic trading team in either New York or London . Responsibilities ...

Staff Software Engineer Kotlin Java JVM

Staff Software Engineer / Developer (Kotlin Java JVM) Hybrid WFH to £120k Would you like to progress your career in an impactful hands‑on Software Engineer role working on Tech for Good? You could be joining a HealthTech Start‑up, founded by two highly successful, Cambridge University educated ma ...

Quant Developer C++ in London Quant Capital

Job Opportunity in London Are you interested in financial modeling? Here is a unique opportunity to be part of a small team where you will have significant responsibilities from day one. Our client is based in London and is looking for individuals with expertise in the following areas: <u ...

Quant Developer: Algo Trading & Financial Modeling (London)

Job Opportunity in London Are you interested in financial modeling? Here is a unique opportunity to be part of a small team where you will have significant responsibilities from day one. Our client is based in London and is looking for individuals with expertise in the following areas: <u ...

Senior Software Engineer

Build high-performance quant trading platforms in Golang - 1 day per week in their London office Over the past few years, while much of the industry has focused on maintaining legacy platforms, this specialist sports analytics technology firm has been quietly building and scaling a new generation of ...

Senior Java Software Engineer Quote API Engineering Enablement

Tesco UK • London • Hybrid • Full-Time • Permanent • Working hours 36 • Apply by 01-Jun-2026 Join the Engineering Enablement team at the heart of Quote Modernisation the most significant engineering transformations Quote has undertaken in recent years. Quote is the mission‑critical pricing and pr ...

Core Engineering Java Development Lead – FX Tech (SVP)

## Core Engineering Java Development Lead – FX Tech (SVP)Applylocations: London United Kingdomtime type: Full timeposted on: Posted Todayjob requisition id: **Core Engineering Java Development Lead – FX Tech (SVP)**Engineer the future of global finance. At Citi, our Tech team doesn’t just support financ ...

Senior eFX Developer (High Frequency Trading), Vice President

Senior eFX Developer (High Frequency Trading), Vice President Please note: EC1 Partners is acting as an agent on behalf of the hiring client for this opportunity. This position is not directly with EC1 Partners. We are seeking an enthusiastic full-stack developer to write high-performance ...

Senior C# Developer .Net AWS Finance

Senior C# Developer / Software Engineer (C# .Net AWS) London to £90k Are you a technologist who enjoys contributing to technical discussions and using the best tool for the job? You could be progressing your career at a global, financial Market Data provider whilst enjoying a range of per ...

Senior Platform Engineer Core Platform (UK)

Leeds, England, United Kingdom; London, England, United Kingdom About Us Fanatics is building a leading global digital sports platform. We ignite the passions of global sports fans and maximize the presence and reach for our hundreds of sports partners worldwide by offering products and s ...

Senior Solution Architect/Developer to writes production code with end to end ownership from architecture through implementation

S.i. Systems client is looking for a Senior Solution Architect/Developer to writes production code with end to end ownership from architecture through implementation.Remote contract across Canada - 37.5 hours/week - must have own laptop to work off of MUST HAVES:Solution architect ...

Java Engineer: Streams, Concurrency & Distributed Systems

This is a job posted by our partner Jooble Below is a snippet of the job description. To read the full text, please click on the Apply Now link. £50,000 - £80,000 per year Requirements We are looking for a strong core Java developer with expertise in streams, lambdas ...

Senior Solution Architect/Developer to writes production code with end to end ownership from architecture through implementation

S.i. Systems client is looking for a Senior Solution Architect/Developer to writes production code with end to end ownership from architecture through implementation.Remote contract across Canada - 37.5 hours/week - must have own laptop to work off of MUST HAVES:Solution architect ...

Lead Developer with Open Text

Job Description Lead Developer with OpenText This position will contribute to the planning, development, and administration of an enterprise content management system, the underlining infrastructure, and their integration with other enterprise systems and applications. ...

Teamcenter Developer

Here's the reformatted version in your usual style: Teamcenter Developer ?? Birmingham (Hybrid 2 Days Onsite) ?? 6 Month Contract ?? Excellent Day Rate We're looking for an experienced Teamcenter Developer to support a large-scale Teamcenter migration and transformation programme. This role will focus on desig ...

Quantitative Engineer

Job Opportunity Quantitative Engineer - Exotic DerivativesLocation: London, UK (Canary Wharf)Engagement: 12-Month Contract | Hybrid (3 days/week in office)Role SummaryWe are hiring a hands-on Quantitative Engineer with 15+ years of experience to join a premier financial institutio ...

Senior Software Engineer, Developer and Agent Experience

Minimum qualifications: Bachelor’s degree or equivalent practical experience. 5 years of experience with software development in one or more programming languages (e.g., Java, Go, Python), with 3 years of experience testing, maintaining, or launching software products. < ...

Senior Full Stack Developer (React & C#.NET)

Senior Full Stack Developer (React & Java script) Contract Length: 12 Months Location: London - 3 Days a week Daily Rate: Circa 650/Day (Inside IR35) Join our dynamic team as a Senior Full Stack Developer, where your expertise in React JS and Java script Core will shine! W ...

FX Quantitative Developer

Bonhill Partners are working closely with a well-established Crypto exchange to hire a Quantitative Java Developer to work on their low latency/HFQ trading platforms. This is a Hybrid role with a requirement of 2/3 days in office. Requirements: Advanced Java develop ...

12 Month Internship FX IT Developer

Job descriptionBusiness typeTypes of Jobs - IT, Digital et Data Job title12 Month Internship - FX IT Developer Contract typeInternship/Trainee Term (in months)12 Months ...

12 Month Internship FX IT Developer

Job descriptionBusiness typeTypes of Jobs - IT, Digital et Data Job title12 Month Internship - FX IT Developer Contract typeInternship/Trainee Term (in months)12 Months ...

Principal Software Engineer

1 week ago τί Be among the first 25 applicants SR2 | Socially Responsible Recruitment | Certified B sortion™ provided pay range This range is provided by SR2 | Socially Responsible Recruitment | Certified B Corporation™. Your actual pay will be based on your skills and experience — talk w ...

Web Application Developer

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 sol ...

Software Engineer Java Kafka API

Software Engineer / Developer (Java Kafka API) London / WFH to £90kAre you a Java technologist seeking a role where you can work on ground breaking technology, continually learning and progressing your career?You could be joining a global technology consultancy.What's in it for ...

12 Month Internship FX IT Developer

We are seeking a Developer with strong communication and customer-facing skills, who is eager to learn and grow within the Financial Services sector. This role offers the chance to work closely with front office users, including traders, risk analysts, and operational staff, providing significant exposure ...

Software Engineer Java Kafka API

London, Greater London | £80k - £90k per year Software Engineer / Developer (Java Kafka API) London / WFH to £90k Are you a Java technologist seeking a role where you can work on ground breaking technology, continually learning and progressing your career? You could be joi ...

Java Engineer Up to £200,000 + Bonus London

Salary: Up to £200,000 + Bonus + Benefits Location: London About the Company Our client is an innovative and award-winning fintech company based in London, operating at the forefront of the electronic trading (eTrading) space . They are building adva ...

Software Engineer Java Kafka API

Software Engineer / Developer (Java Kafka API) London / WFH to £90kAre you a Java technologist seeking a role where you can work on ground breaking technology, continually learning and progressing your career?You could be joining a global technology consultancy.What's in it for ...

Senior Software Developer

2 days ago Be among the first 25 applicants If you're interested in progressing your career in developing innovative tools and being part of a hands-on, collaborative, project-based approach to solving data challenges, then we'd love to hear from you.The Special Projects team is Quick Release's i ...

Remote Blockchain Developer (remote) Quant Capital

Job Opportunity: Blockchain DeveloperQuant Capital is urgently looking for a Blockchain Developer to join our high-profile clients' Team. Our client is a well-known global Prop Trading firm that highly values technology, especially the open-source variety. They are seeking individuals motivated by the shar ...

Server Engineer (NodeJS) in London Playwind Games

Job Description We are seeking an experienced and passionate Game Server Developer proficient in Node.js to support and optimize platform-related systems and interfaces. You will collaborate with the team to design and implement game feature logic, streamline development... Skills & Experi ...

Remote Blockchain Developer (remote) Quant Capital

Job Opportunity: Blockchain DeveloperQuant Capital is urgently looking for a Blockchain Developer to join our high-profile clients' Team. Our client is a well-known global Prop Trading firm that highly values technology, especially the open-source variety. They are seeking individuals motivated by the shar ...

Quantitative Developer Python C++ MFT

London, Greater London | £110k - £175k per year Quantitative Developer (Python C++ MFT) London / WFH to £175k+ Opportunity for a highly talented Quantitative Developer with Python expertise to progress your career in an impactful role at a global trading firm with significant ...

Quantitative Developer Python C++ MFT

London, Greater London | £110k - £175k per year Quantitative Developer (Python C++ MFT) London / WFH to £175k+ Opportunity for a highly talented Quantitative Developer with Python expertise to progress your career in an impactful role at a global trading firm with significant ...

Quantitative Developer Python C++ MFT

London, Greater London | £110k - £175k per yearQuantitative Developer (Python C++ MFT) London / WFH to £175k+Opportunity for a highly talented Quantitative Developer with Python expertise to progress your career in an impactful role at a global trading firm with significant bo ...

Lead Software Engineering Java ETT – Options Algorithmic Trading

Are you ready to make a meaningful impact and advance your career in a dynamic, fast-paced team? At JPMorganChase, you’ll help build market-leading technology products that power our electronic trading business. You’ll work alongside talented professionals who value creativity, collaboration, and continuous l ...

Lead Java Software Engineer in FX Payments tech

Join us to shape the future of payments technology and make a real impact on your career. As part of our agile team, you’ll help build trusted solutions that power global transactions. You’ll have the opportunity to grow your skills, collaborate with talented colleagues, and contribute to a culture of inclusi ...

Core Engineering Java Development Lead – FX Tech (SVP)

Core Engineering Java Development Lead – FX Tech (SVP)Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can matc ...

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    Java Developer Java Developer Lead Jobs in London Job Search Guide, Trends and Insights