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    Low Latency Algo Dev EMS/OMS & SOR Engineer (Hybrid)

    Harrington Starr is seeking an experienced Algo Developer to join their London engineering team. This role focuses on designing and building a low-latency, high-throughput trading system within the digital asset space. Ideal candidates will have over 8 years of Java experience with a proven record in execution a ...

    Backend Mobile Apps Engineer (Python/Django) – London

    Java Script Works is seeking a Backend Mobile App Developer specializing in Python and Django. The ideal candidate will have at least 1 year of experience in backend development and hold a 1st class degree in a relevant field. Knowledge of frontend development is an added advantage. Compensation ranges ...

    Software Developer: Impactful Cloud & Automation Engineer

    Sectra in Mansfield is looking for a passionate software developer to join our dedicated team. You will tackle complex challenges, contribute to better healthcare solutions, and collaborate with colleagues across Sweden and the UK. Your role involves working with Java, C#, C++, and SQL Server, while en ...

    Full Stack React & Python Engineer (Next.js/TS)

    Java Script Works is seeking a talented Full Stack Next.js / Python Developer in Greater London. The ideal candidate will have strong expertise in Next.js, Python, mySQL, and experience with React and React Native. This role involves building dynamic applications and contributing to exciting projects in a collab ...

    Senior Full Stack Drupal & React Engineer

    Java Script Works is seeking a Senior Full Stack Drupal/React Developer based in Harlow, United Kingdom. The candidate will drive the build and maintenance of high-performance, decoupled web applications using Drupal for back-end and React for front-end development. This role demands collaboration across teams t ...

    Backend Engineer: Python/Java APIs & Scalable Systems

    ELLIOTT MOSS CONSULTING PTE. LTD. is seeking a skilled Backend Developer in Penarth, Wales. The successful candidate will design, develop, and maintain scalable backend services using Python and Java. Responsibilities include implementing RESTful APIs, integrating backend services with front-end applications, an ...

    Senior Android Developer (Contract) – Guildford, 1 Day/Week

    Methods is seeking a Senior Android Developer for an initial 6‑month contract based in Guildford, UK. This role requires over 10 years of professional experience in mobile development, with the successful candidate expected to work full-time and attend the office 1 day a week. Proficiency in Android is essential ...

    Senior Front End Dev (Vue.js) Build Great UIs

    Java Script Works is looking for a Senior or Middleweight Front-End Developer focused on Vue.js in Barnstaple, North Devon. Ideal candidates will have several years of experience in front-end development and a strong passion for creating excellent user experiences. This full-time position offers competitive comp ...

    Web & Mobile Frontend Developer (React/Next.js)

    Java Script Works in Southampton is seeking a talented developer with solid experience in cross-platform mobile development for iOS and Android, ideally with Next.js. The role involves delivering high-quality web and mobile user experiences using React, TypeScript, and Ionic. Candidates should have strong profic ...

    Senior Java Engineer Trading Systems & Execution

    Isamcapitalmarkets is seeking a talented Java Developer to join the Helix Technology team in Greater London. The role involves managing the ISAM Helix Trading System, focusing on trade execution and collaboration with brokers to refine algorithmic execution. The ideal candidate will have a degree in a ...

    Senior/Lead Full Stack Developer (Vue 3, Node, Google Cloud)

    Java Script Works in Guildford is seeking an experienced Senior/Lead Developer to join their Resident Experience product team. In this role, you will design and develop products that enrich the lives of residents in care. The ideal candidate will have proven experience with Vue 3, Node.js, and full-sta ...

    Backend Tech Lead Java Microservices, Hybrid (SC Eligible)

    Amber Labs is seeking a Lead Software Developer in Manchester, UK for a 12-month Fixed Term Contract. This hands-on leadership role focuses on backend development, particularly using Java and microservices. The candidate will lead design efforts and mentor engineers while collaborating across various teams. Bene ...

    Full Stack PHP Developer: React & PostgreSQL

    Java Script Works in Altofts, United Kingdom, is seeking a Full-Stack PHP Developer to develop and maintain full-stack PHP applications. The ideal candidate will have proven experience in PHP development with strong knowledge of Tailwind CSS, React, and PostgreSQL. You will collaborate with cross-functional team ...

    Java Spring Boot & Angular Full Stack Engineer

    Net2Source (N2S) is seeking a developer in Manchester, UK, responsible for end-to-end development of web applications, including design, development, testing, and deployment. Key skills required include expertise in Java Spring Boot, RESTful APIs, and both SQL and NoSQL databases. You will collaborate in an Agil ...

    Senior Java Backend Architect Payments, Cloud Native

    Verifone is seeking a Senior Developer in London to design and implement high-performance backend services for its payment gateway. This role requires expertise in Java 17, Spring Boot and microservice architectures. You will collaborate closely with cross-functional teams, ensuring security and reliability in a ...

    Android Engineering Manager | Lead 10+ Engineers (Kotlin)

    Paritas Recruitment is seeking a team leading Android Developer for a leading global bank in Greater London. The ideal candidate will have extensive experience in Android development with Jetpack Compose, Kotlin, and Java, along with a strong background in test-driven development (TDD). Management experience is ...

    Java Front Office Algo Trading Engineer

    A leading trading firm in Greater London is seeking a skilled Java developer for a front-office role in algorithmic trading. The candidate will design and optimize trading algorithms while working closely with traders to enhance performance. Ideal for individuals early in their career, this position offers expos ...

    Senior Software Dev (Java/C++) – Hybrid & Client‑Facing

    Frazer-Nash Consultancy is looking for an Experienced Software Developer to join their team in Leatherhead, England. In this role, you will design and maintain high-quality software using Java and C++. The position requires strong analytical skills and confidence to work with clients. Candidates should have prof ...

    Senior Python Developer – Hybrid, Cloud & Microservices

    CAPGEMINI is seeking a Senior Python Developer in Greater London. In this role, you will contribute to the software development lifecycle by developing clean and efficient code, integrating systems, and ensuring software quality through testing and CI/CD practices. Ideal candidates will have strong experience in ...

    AI Engineer – 3D Reconstruction & Neural Rendering

    GAK ENTERPRISES LTD in Milton Keynes is seeking a Software Developer (AI Engineer - Neural Rendering & 3D Reconstruction) to join their team. The role involves developing and deploying REST APIs using Java Spring Boot and utilizing AI technologies. The ideal candidate will have experience in applied AI ...

    Senior Java Backend Engineer – Real Time, Low Latency, WFH

    Client Server Ltd. is looking for a Backend Software Engineer / Developer in London, offering a salary up to £100k along with a competitive benefits package. You will work on complex, real-time trading systems within a supportive Agile team. The ideal candidate has strong Java backend experience, with ...

    Remote Frontend Dev (React/Angular) – HTML5, JS, EMI Options

    Java Script Works is looking for an experienced Frontend Developer in the UK, proficient in both React and Angular. You'll work on multiple platforms while contributing to an innovative fintech startup. The role promotes remote work and offers flexible hours, ensuring a great work-life balance. The com ...

    Remote Senior React Engineer — Build High Performance UI

    Java Script Works is seeking a Senior React Developer for a fully remote position. The ideal candidate will be responsible for the development of new user-facing features using React.js, building reusable components, and optimizing performance across devices. This role offers a competitive salary between £60K an ...

    Remote Laravel Lead PHP, Eloquent & Microservices

    Java Script Works is looking for a Mid/Senior Laravel Developer in Greater London. The candidate should have over 4 years of experience in PHP/Laravel and be proficient in TDD and design patterns. Responsibilities include improving our core application with expertise in SQL optimization and caching technologies ...

    AVP Trading Tool Engineer – Systematic & Credit Portfolios

    A leading global financial institution in London is seeking a motivated trading tool developer to collaborate with traders and product teams. In this role, you will define business requirements, develop trading tools with Python and React, and maintain critical trading functions. Applicants should have experienc ...

    Java Full Stack Engineer (Angular/React) – Banking

    A global technology and consulting firm in the Greater London area is seeking an experienced Java Fullstack Developer with expertise in AngularJS, ReactJS, and a strong background in the banking domain. Responsibilities include overseeing project delivery, designing scalable web applications, and ensuring high p ...

    Senior Java API Engineer – Cloud FIX & Low Latency Trading

    A financial services firm in Greater London seeks an experienced API Developer to create robust trading APIs in the cloud. You will maintain and support IG's FIX APIs, contributing to the IG Prime division's roadmap while collaborating with various stakeholders. Candidates should possess around 5 years of Java e ...

    Senior Java Engineer for AI Driven APIs (Hybrid)

    An AI-native consulting firm in Manchester seeks a skilled developer proficient in Java API development. The successful candidate will collaborate with a team to create high-quality digital products, integrate third-party services, and mentor peers. The role emphasizes best engineering practices in a supportive ...

    Java Backend Engineer Production Reliability & Debugging

    A technology services company in the UK is seeking a 3rd Line Back End Developer. This role involves investigating and resolving live system defects, developing and deploying fixes using Java, and collaborating with other teams to improve stability. The ideal candidate should have experience in supporting produc ...

    Java Backend Engineer – Incident Response & Reliability

    A technology solutions firm in Greater London seeks a skilled 3rd Line Back End Developer to tackle complex issues in live systems. The role requires a strong background in Java and server environments, with responsibilities that include diagnosing defects, developing solutions, and collaborating with various te ...

    Software Engineer Intern: Build, Learn & Launch

    A consulting firm in the United Kingdom is seeking a Software Developer to craft, develop, test, and maintain systems that improve customer experience. The ideal candidate has a bachelor’s degree in computer science and over 2 years of experience. Key responsibilities include coding, adhering to technical standa ...

    Hybrid AI Software Engineer I – London

    A technology company in London is seeking a skilled developer to join their team. In this role, you will engage in code reviews and collaborate on architecture design, leveraging AI tools to enhance development. The ideal candidate has a Bachelor's degree or equivalent experience and is proficient in a managed l ...

    VP of Low Latency EMS/SOR Trading Architecture

    A leading digital assets firm in Greater London is seeking an experienced EMS / SOR Developer to design and implement a low-latency trading system. The role demands strong Java programming skills, extensive experience developing routing strategies, and a solid understanding of algorithmic trading environments. R ...

    Crypto Quant Developer: High‑Speed Market Making & AI

    A leading tech firm is seeking a Quantitative Developer to join their digital asset trading desk in Greater London. This hybrid opportunity combines in-office and remote work, focusing on developing low-latency trading algorithms and enhancing trading infrastructures in crypto markets. The ideal candidate has de ...

    Crypto Quant Developer: High Frequency Trading & AI

    A global leader in digital assets is looking for a highly skilled Quantitative Developer for their Crypto trading desk. In this role, you will work closely with traders and quantitative analysts to design and optimize trading algorithms and models. The ideal candidate will have strong programming skills in Java ...

    Platform Engineer: Distributed Systems & Cloud

    A leading technology company in London is seeking a skilled software engineer to join their Platform Engineering team. The role involves building and maintaining critical financial infrastructure, working on high-availability distributed systems, and enhancing developer tooling. Ideal candidates will have 3+ yea ...

    Senior Java Engineer Fulfilment Platform & Microservices

    A leading retail company in Welwyn Garden City seeks a Fulfilment Platform Developer to enhance their next generation of scalable and resilient fulfillment operations. The ideal candidate will have a strong background in Java development and agile methodologies, along with experience in collaborating with distri ...

    HFT Quantitative Developer Graduate – Onsite London

    Queueco in Greater London is searching for a bright graduate to join as a quantitative developer focused on High-Frequency Trading. The role involves working with traders and researchers to understand market data and develop low-latency solutions. A Bachelor’s or Master's degree in a relevant field is required, ...

    Senior Software Developer — Remote AI Driven SAP Automation

    Avantra is seeking a Senior Software Developer to join their dedicated team. The role involves full-stack development primarily using Java, Kotlin, Python, and TypeScript. You'll work to enhance core code functionalities, focusing on generative AI capabilities and collaborating with international teams. Candidat ...

    Cross Border Payments Java AVP Hybrid, AI First

    A leading global bank in Greater London is looking for a Cross Border Payments Developer (AVP) to join its FX Technology team. The role involves Java development in a collaborative, AI-focused environment, enhancing systems and participating in modernization efforts. Candidates should possess strong communicatio ...

    Senior Backend Engineer for AI Powered SaaS

    A fast-growing AI company in London is seeking a Back-End Developer to design and maintain systems for their innovative AI-powered products. You will collaborate with senior engineers and data scientists, optimize performance, and contribute to system enhancements. Ideal candidates will have 3-5 years of back-en ...

    Senior Front Office Developer, Crypto HFT & Trading Systems

    A boutique alternative asset manager in Greater London is looking for a Front-Office Developer specializing in high-frequency trading for cryptocurrencies. The successful candidate will design and implement trading algorithms and work closely with quantitative teams. A strong background in high-performance Java ...

    Senior Java/AWS Engineer — Hybrid (3 days Onsite)

    A leading tech firm in Leeds, UK, is seeking a Senior Java/AWS Developer with over 7 years of experience. The role entails designing and developing AWS-based solutions and working with CI/CD pipelines. Requires SC eligibility and AWS DevOps Engineer Professional certification. You will build secure code and supp ...

    Front Office FX Software Engineer (C#/Java)

    Crédit Agricole Group is seeking a Developer in Greater London. The successful candidate will work closely with traders and operational staff, enhancing front-office systems for foreign exchange. Candidates should have experience in C# or Java, some SQL knowledge, and a strong interest in financial markets. Resp ...

    Software Developer — End to End Solutions in FinTech (Newcastle)

    Core-Asset Consulting is looking for a Software Developer in Newcastle upon Tyne, England. This role offers the chance to work on innovative software solutions in a collaborative environment while taking ownership of projects from inception to delivery. Candidates should have strong programming skills in languag ...

    Lead Software Engineer (Remote) – Government Backend & Cloud

    A leading technology consultancy in Greater London is seeking a Lead Software Developer with expertise in Java and Node.js. The role involves technical leadership across software development, designing secure and scalable back-end services, and championing microservices architecture. Candidates must have experie ...

    Senior Java Rates Engineer Low Latency Trading (London)

    A leading financial technology firm based in London is seeking an experienced Senior Rates Developer for a 12-month contract. The role involves developing low-latency pricing components and enhancing trading workflows. Ideal candidates will have strong Java server-side development skills and experience in Rates ...

    Senior Backend Architect (Remote) Multitenant

    A dynamic technology education provider in the United Kingdom is searching for a skilled developer to join their remote team. The ideal candidate will have deep expertise in multitenancy and experience with statically typed languages such as C#, Java, or Kotlin. A strong willingness to learn Python and mastery o ...

    Co Founder Full Stack Engineer (Java/React/AWS) – Equity & Remote

    A leading tech startup in London seeks a Full Stack Developer to join its founding team. This role offers up to 1,000,000 shares in equity-based compensation and involves significant influence over product and technology direction. You will build secure, scalable applications using React and Java, work on API in ...

    Senior Java Backend Architect Microservices Leader in Leeds

    A leading technology firm is seeking a Senior Developer to join their US Product Development team in Leeds. This role focuses on backend development, mentoring engineers, and shaping the technology stack. Ideal candidates will have 5+ years in Java development, expertise in Spring Framework, and a strong mentori ...

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      Junior Developer Salesforce Java Javascript Jobs in United Kingdom Job Search Guide, Trends and Insights