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    Lead Java Architect – Real Time Risk & Cloud (Hybrid)

    A leading financial institution in Greater London is seeking a Lead Java Developer. Your role will involve leading the delivery of Risk enhancements and managing the full development lifecycle. Ideal candidates will have strong experience in Core Java and exposure to Capital Markets technology. You'll get to wor ...

    FX Risk Java VP Engineer — Front Office, High Performance

    A global financial institution in the Greater London area is seeking a skilled FX Risk Java Developer to design high-performance applications and support core banking operations. Applicants should have expertise in Java development, multithreading, and database management, along with a Bachelor's degree in a rel ...

    Senior Java Backend Engineer for Scalable Quote API

    A leading retail company in London is seeking a Java engineer to enhance developer experience and modernise its core systems. You will work on building components for a significant transformation project, with responsibilities including CI/CD pipeline management and migration to cloud services. Ideal candidates ...

    Senior Java Engineer for Quote API — Hybrid, High Impact

    A prominent retail company is seeking a Java Engineer to join the Engineering Enablement team in London. This role involves building and maintaining components critical for the modernization of our pricing and promotions platform. The ideal candidate should have strong experience in Java 8+, cloud services, and ...

    Senior Java Engineer Scalable Quote API (Remote/Hybrid)

    A leading retail company in the UK seeks a skilled Java Developer to build end-to-end systems for a mission-critical API supporting pricing and promotions. The ideal candidate has strong experience with Java 8+, cloud platforms, and SQL/NoSQL databases. They will engage in test-driven development and support pro ...

    Java Low Latency Engineer | FIX Connectivity | Hybrid London

    SGI is seeking a Java Software Developer for a hybrid role in London, specializing in low-latency, high-throughput systems within financial services. Ideal candidates will have 4–10 years of experience in commercial software engineering, particularly with JVM-based systems and FIX Protocol. Responsibilities incl ...

    Senior Kotlin Backend Engineer – Real Time FinTech (Hybrid)

    Oliver Bernard is seeking a Senior Kotlin Developer for its London office, offering a competitive salary of up to £110,000. This hybrid role involves designing and building robust backend services using Kotlin and Java, deploying on AWS, and contributing to architecture decisions. Ideal candidates will have a st ...

    Senior Full Stack Java Engineer: React, Microservices, Cloud

    EC Markets LTD is seeking an experienced Full-Stack Developer to design and maintain scalable web and mobile applications. Responsibilities include developing responsive applications using React or React Native, building backend services with Java, and integrating front-end and back-end systems. Candidates shoul ...

    Low Latency Java Lead Engineer for FinTech/Trading

    HCLTech in Greater London is looking for a developer to lead the development and maintenance of low-latency Java applications. The ideal candidate has a Bachelor's degree in Computer Science or related field, proven experience in Java focusing on performance optimization, multithreading, and concurrent programmi ...

    Front End JavaScript & AEM Developer (6 Month Contract)

    Onyx-Conseil is seeking a Front End Java and HTML Developer for a 6-month contract in Brighton Sussex. The candidate must have strong experience in Java Script and be familiar with Agile development methodologies. Responsibilities include building and managing websites using the Adobe Experience Manager platform ...

    Android Engineer – EdTech for Global Learning

    Java Script Works is seeking a full-time Android Developer in London to develop mobile applications using Java and Kotlin. The ideal candidate will have experience in native app development for Android and/or iOS and will benefit from Dev-ops knowledge. The role involves contributing to the EdTech sector, focusi ...

    Senior Kotlin Backend Engineer – Real Time FinTech (Hybrid)

    Oliver Bernard is seeking a Senior Kotlin Developer for its London office, offering a competitive salary of up to £110,000. This hybrid role involves designing and building robust backend services using Kotlin and Java, deploying on AWS, and contributing to architecture decisions. Ideal candidates will have a st ...

    Java Engineer for Sports Betting Hedge Fund — London

    A leading technology firm in London is looking for a Java Software Developer to join a mid-senior level team in an exciting sports betting startup. The successful candidate will collaborate closely with quantitative researchers and talented engineers to build data integrations and support trading models. Ideal a ...

    Java Full Stack Engineer (React/Angular) – Hybrid & AI Enabled

    A leading global technology consultancy is seeking an experienced Java FullStack developer (ReactJS & AngularJS) to oversee project delivery and contribute to high-quality software solutions. The ideal candidate will have strong expertise in the banking domain, Java 17+, and Spring Boot, along with familiarity i ...

    Senior Java Backend Engineer Hybrid, 6 Month Contract

    A tech recruitment firm in the UK is seeking an experienced Java Developer for a hybrid position, requiring one day per month in the London office. The role is an initial 6-month contract focused on developing and enhancing scalable backend systems. Candidates should have strong experience in Java, solid underst ...

    Java Backend Engineer: Cloud and AI for Trading

    LGBT Great is looking for a motivated Java Back-End Developer to join the Short-Term Desk Technology team in Greater London. The role focuses on building and modernizing trading and cash management systems while collaborating closely with front office stakeholders. Applicants should have 3-5 years of experience ...

    VP, Java/Kotlin Engineering — Hybrid Leader in Prime Tech

    Citibank (Switzerland) AG is seeking a Java (Kotlin) Developer to engineer innovative solutions for finance. This role involves ownership and delivery of pivotal components within the Core Prime Brokerage platform while providing technical leadership to an agile team. Candidates should have a strong background i ...

    Senior Android Engineer | Remote, Scale Driven Impact

    Reqiva Ltd is looking for a Senior Java / Android Developer to join their team. This remote-first role requires strong Java and Android development experience, along with skills in MVVM and Git. The successful candidate will develop high-performance applications, collaborate with cross-functional teams, and cont ...

    Senior Java Engineer Hybrid Leeds | APIs, Spring, Cloud

    Tenth Revolution Group is seeking a Senior Java Developer in Leeds. The role involves designing and building data-driven solutions and collaborating with cross-functional teams. You will influence technical decisions, utilize modern technologies, and mentor junior engineers. Key skills include expertise in Java ...

    Low Latency Java Quant Trader: Algo, FX, Crypto & DeFi

    Harrington Starr is seeking an experienced Java Quantitative Developer to join their crypto trading desk in London. This role involves designing algorithmic trading strategies, building pricing logic and hedging frameworks, and translating quant ideas into efficient Java code. The ideal candidate should have str ...

    Principal Java Engineer | Spring Boot, AWS | Hybrid/Remote

    Client Server is seeking a Principal Software Engineer / Developer (Java Spring Boot AWS) to join their team in London. You'll lead projects focusing on migrating legacy systems to AWS and implementing CI/CD pipelines in a collaborative environment. The ideal candidate will have strong Java skills, experience in ...

    Java Full Stack Engineer: Spring Boot, React & AWS

    Apexon is seeking a dynamic and skilled Java Full Stack Developer to design, build, and deliver scalable, high-performance software solutions in Birmingham, England. The ideal candidate will have strong backend development experience with Java, hands-on frontend expertise using React, and practical knowledge of ...

    Low Latency Java Quant Trader: Algo, FX, Crypto & DeFi

    Harrington Starr is seeking an experienced Java Quantitative Developer to join their crypto trading desk in London. This role involves designing algorithmic trading strategies, building pricing logic and hedging frameworks, and translating quant ideas into efficient Java code. The ideal candidate should have str ...

    Senior Java Quant Trading Engineer: Low Latency, High Impact

    A leading Quant Trading firm in London is seeking a Senior Java Developer to design and build low-latency trading systems. You will work with traders and quants to optimize performance and tackle complex engineering challenges in a fast-paced environment. The ideal candidate has expert-level Java skills, proven ...

    Backend Software Engineer Java Kotlin AWS in London client server

    Introduction In this role, you will have the autonomy to choose the right tool for the job and introduce emerging technologies. Technologies: API AWS Backend Java JavaScript Kotlin PostgreSQL Python ...

    Senior Software Engineer

    Java / Microservices / API design / LLMs / AI / Claude Code / CopilotRole: Senior Software EngineerCompany: Financial ServicesLocation: London - Hybrid 3 days per weekSalary: up to £120,000Join a Service Modernisation team driving AI-first software development in financial ...

    Full Stack Developer

    DescriptionOur global banking client are seeking an experienced React / Java Developer to join our team and contribute to the DCC programme. The primary focus of this role will be to work on our Contact Centre Application, ibAdvisor. The ideal candidate will have a strong background in both Reac ...

    Lead Full Stack Engineer (Java) — Tech Lead & Mentor

    TXP in Birmingham is seeking a Lead Full Stack Developer (Java) to guide a development team in delivering high-quality solutions. This hands-on leadership role involves taking ownership of projects from design to deployment with a focus on modern Java and React stacks. The ideal candidate will have proven experi ...

    Senior OMS Java Engineer Low Latency Trading (Hybrid)

    EC1 Partners is seeking an experienced Java Developer (OMS Specialist) for a permanent position to join its London-based financial technology team. The candidate will design and develop a high-performance Order Management System in a hybrid working environment. Key qualifications include hands-on experience with ...

    Senior OMS Java Engineer Low Latency Trading (Hybrid)

    EC1 Partners is seeking an experienced Java Developer (OMS Specialist) for a permanent position to join its London-based financial technology team. The candidate will design and develop a high-performance Order Management System in a hybrid working environment. Key qualifications include hands-on experience with ...

    Lead Full Stack Engineer (Java) — Tech Lead & Mentor

    TXP in Birmingham is seeking a Lead Full Stack Developer (Java) to guide a development team in delivering high-quality solutions. This hands-on leadership role involves taking ownership of projects from design to deployment with a focus on modern Java and React stacks. The ideal candidate will have proven experi ...

    Application python developer fund in London Oxford Knight

    Application python developer - fund London, United Kingdom Technology Stack React SQL Server Kafka Java Python With a diverse technology stack, including Python , React, SQL Server, Snowflake, Java, and Kafka, ...

    Senior Full Stack Engineer FTC in London SoCode Recruitment

    Job Opportunity: Senior Full Stack Java Engineer Excited to be partnering with a leading financial services organisation seeking a Senior Full Stack Java Engineer to join their growing engineering team. Key Responsibilities: This is a hands‑on role for a seasoned developer w ...

    Senior Full Stack Engineer FTC in London SoCode Recruitment

    Job Opportunity: Senior Full Stack Java Engineer Excited to be partnering with a leading financial services organisation seeking a Senior Full Stack Java Engineer to join their growing engineering team. Key Responsibilities: This is a hands‑on role for a seasoned developer w ...

    Senior Java Full Stack Engineer React, AWS & DevSecOps

    Tata Consultancy Services is looking for a Senior Full Stack Developer to join their team in London. In this hybrid role, you will be responsible for delivering high-quality, secure full-stack services using Java and React. Your work will involve designing and building APIs, collaborating with engineering teams, ...

    Trading Systems Software Developer Systematic Market Maker in London Quant Capital

    Trading Systems Software Developer - Systematic Market Maker Location: London, United Kingdom Posted: 10 months ago Tech stack Trading Kotlin Java SOLID C Python Optimizing Data Flow and System Thro ...

    Affiliate Android Developer (6 Month Contract) in Leeds AND Digital

    Affiliate Android Developer (6 Month Contract) Leeds, United Kingdom Posted 11 months ago Contract: Android, Kotlin, Java, REST Skill requirements: Keen desire to stay updated with the latest Android technologies and frameworks. Kotlin, JetCompose, ...

    SC CLEARED SALESFORCE DEVELOPER (IT) in Bristol LA International Computer Consultants Ltd

    SC CLEARED SALESFORCE DEVELOPER (IT) Bristol, United Kingdom Posted 9 months ago Tech stack Java Skills and Experience Understanding of Salesforce architecture, including data models, workflows, and business processes. Profic ...

    Junior Developer in London Yapily

    Junior Developer London, UnitedKingdom Tech Stack Java APIs Spring Boot JUnit REST Spring Framework Requirements 12+ months hands‑on experience with Spring Boot and Java 11+ Understan ...

    Senior Java Full Stack Engineer React, AWS & DevSecOps

    Tata Consultancy Services is looking for a Senior Full Stack Developer to join their team in London. In this hybrid role, you will be responsible for delivering high-quality, secure full-stack services using Java and React. Your work will involve designing and building APIs, collaborating with engineering teams, ...

    SC CLEARED SALESFORCE DEVELOPER (IT) in Bristol LA International Computer Consultants Ltd

    SC CLEARED SALESFORCE DEVELOPER (IT) Bristol, United Kingdom Posted 9 months ago Tech stack Java Skills and Experience Understanding of Salesforce architecture, including data models, workflows, and business processes. Profic ...

    Senior Software Engineer Kotlin

    Senior Kotlin Developer (Java, Kafka, AWS) – FinTech London (Hybrid: 3 days onsite) Up to £110,000 per year + benefits About the Company We’re a fast-growing FinTech building modern, cloud-native platforms that power real-time financial services used by thousands of cust ...

    Senior Software Engineer Kotlin

    Senior Kotlin Developer (Java, Kafka, AWS) – FinTech London (Hybrid: 3 days onsite) Up to £110,000 per year + benefits About the Company We’re a fast-growing FinTech building modern, cloud-native platforms that power real-time financial services used by thousands of cust ...

    Full Stack Engineer

    Job Title Senior Java Developer Day Rate £500/day - Inside IR35 Location Remote - Occasional London Duration 6 months (with view to extend) ROLE DESCRIPTION </stro ...

    Graduate Software Developer in Cambridge RedTech Recruitment

    Graduate Software Developer Cambridge, United Kingdom Tech Stack Python C Java JavaScript Qualifications Minimum of AAA at A Level or equivalent UCAS points Must be able to code competently in any main ...

    Senior Calypso Software Developer London (IT) in London Nexus Jobs Limited

    Senior Calypso Software Developer - London Location: London, United Kingdom Posted 10 months ago This is a job posted by our partner Jooble. Tech stack Oracle Automation API securities Java Cycle Covering Back office processes like ...

    Senior Backend Engineer (Marketpace)

    Requirements 3+ years of experience (5+ years for seniors) building and maintaining scalable backend services We use Go. If you know it, great. If not, we’ll interview you in your strongest language (Python, C++, Java, Ruby, etc.). We hire for engineering fundamentals, not syntax ...

    Lead Test Engineer / Principal SDET

    This role is Inside IR35 Location: Leeds, Manchester, Birmingham, Newcastle 60% hybrid (Can not recruit in to London) Clearance: SC Contract Length: 12 months Essential Skills & Experience Strong experience designing and implementing test strategies for micro ...

    Full Stack Engineer

    Job Title Senior Java Developer Day Rate £500/day - Inside IR35 Location Remote - Occasional London Duration 6 months (with view to extend) Interested in learning more about this ...

    Remote Junior Java Engineer — Debug & Improve Live Systems

    A growing tech company is seeking a Junior Java Engineer to join their product engineering team. This role offers a fantastic opportunity to engage with high-scale systems and work closely with experienced engineers. Candidates should have at least 2 years of Java experience and strong debugging skills. The posi ...

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      Java Developer Java Monolith Jobs in United Kingdom Job Search Guide, Trends and Insights