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    Principal AI Data Scientist – Build Next‑Gen LLM Systems

    Java Script Works is seeking a Principal Data Scientist to leverage AI technologies in legal tech solutions based in London. The ideal candidate will possess strong proficiency in Python and should have experience with AI systems. Additional experience with Java or TypeScript is beneficial. This full-t ...

    Contract Solution Architect: Python, SQL & TS Expert

    Java Script Works is looking for a Solution Architect based in London, United Kingdom. The ideal candidate will have experience in vendor or delivery partner settings and thrive in fast-moving client environments. Required skills include SQL, TypeScript, Python, and Java. Exposure to additional technologies such ...

    Senior Lead Software Engineer Full Stack ReactJS, Java, Python, AWS, AI/ML

    Overview This job is brought to you by Jobs/Redefined, the UK's leading over-50s age inclusive jobs board. Job Description Be an integral part of an agile team that's constantly pushing the envelope to enhance, build, and deliver top-notch technology products to revolution ...

    Lead Software Engineer Python / Java AI Markets Technology, Credit Pre Trade Technology

    We have an opportunity to impact your career and provide an adventure where you can push the limits of what's possible. As a Lead Software Engineer at JPMorganChase within Credit Technology, you are an integral part of an agile team that works to enhance, build, and deliver trusted market‑leading t ...

    Lead Software Engineer – Python / Java AI Markets Technology, Credit Pre Trade Technology

    Job Description We have an opportunity to impact your career and provide an adventure where you can push the limits of what's possible. As a Lead Software Engineer at JPMorganChase within Credit Technology, you are an integral part of an agile team that works to enhance, build, and delive ...

    Java Low Level/Low Latency Engineer in London McGregor Boyall Associates Limited

    Java Low-Level/Low Latency Engineer London, United Kingdom Posted 9 months ago McGregor Boyall Associates Limited We are looking for a deep understanding of systems‑level programming, with proficiency in Java and/or Rust, C, or C++. Applicants should have experienc ...

    Senior Lead Software Engineer Full Stack ReactJS, Java, Python, AWS, AI/ML

    Overview Be an integral part of an agile team that's constantly pushing the envelope to enhance, build, and deliver top-notch technology products to revolutionize business decisions and workflow for cloud migration. As a Senior Lead Software Engineer at JPMorganChase within the Infrastructure Plat ...

    Lead Software Engineer – Python / Java AI Markets Technology, Credit Pre Trade Technology

    We have an opportunity to impact your career and provide an adventure where you can push the limits of what's possible.As a Lead Software Engineer at JPMorganChase within Credit Technology, you are an integral part of an agile team that works to enhance, build, and deliver trusted market-leading techno ...

    Lead Software Engineer – Python / Java AI Markets Technology, Credit Pre Trade Technology

    We have an opportunity to impact your career and provide an adventure where you can push the limits of what's possible.As a Lead Software Engineer at JPMorganChase within Credit Technology, you are an integral part of an agile team that works to enhance, build, and deliver trusted market-leading techno ...

    Senior Software Engineer Front office

    Java Electronic Trading Engineer – Front office London – Hybrid The company This is an unmissable opportunity for an experienced Java Electronic Trading Engineer to join one of the leading institutional digital asset firms in the market. With a global footprint and a platform sp ...

    Full Stack Software Developer, Post Trade

    Overview Full Stack Software Developer, Post - Trade – London, United Kingdom Winton is a research-based investment management company with a specialist focus on statistical and mathematical inference in financial markets. The firm researches and trades quantitative investment strategies, w ...

    iOS Developer

    About the Role As an iOS Developer you'll be tasked with working on iOS application development. Working within the software development team, your duties will require you to assist in the development of consumer and enterprise applications. This role is ideal for developers who feel confident in ...

    Graduate Software Developer | 50,000 60,000 | Hybrid (London / Remote). in London

    Job Description Graduate Software Developer | £50,000–£60,000 | Hybrid (London / Remote) Ready to build software that actually matters? Join a team where you’ll be solving real‑world problems from day one — not just writing code in the corner. We’re looking f ...

    Senior Lead Backend Platform Engineer | Spring Boot

    A major financial institution in Greater London is seeking a Senior Lead Software Engineer to develop backend libraries using Java and Spring Boot. This role requires strong technical expertise, problem-solving abilities, and collaboration with product engineering teams. The candidate will drive standardization ...

    Senior Software Engineer, SEO Platform & Scale

    Wise is looking for a Software Engineer in Greater London to design and maintain backend services using Java and Spring Boot. This role involves collaborating with product managers, migrating older systems, and mentoring junior engineers. Ideal candidates will have strong skills in Java, Spring Boot, and relatio ...

    DevOps Engineer (Contract) — Kubernetes & CI/CD

    Java Script Works is seeking a DevOps Engineer to work primarily in London, United Kingdom. The role focuses on container technologies and solid programming in languages like Java and Python. The ideal candidate will manage CI/CD pipelines and have familiarity with observability tools. This is a contra ...

    Backend Engineer

    Working for an industry leading, high-growth SaaS business with some of the biggest brand names in the world as customers, the Backend Engineer will build innovative next‑gen solutions that are at the forefront of the data industry. In this role, the Backend Software Engineer will be given full aut ...

    Quantitative Developer

    A premier global hedge fund is looking for a high-calibre Quantitative Developer to join its Systematic Trading division. This role places you at the epicentre of a sophisticated quant environment, where you will partner closely with Portfolio Managers, researchers, and traders to transform alpha-d ...

    Senior Developer

    This job is brought to you by Jobs/Redefined, the UK's leading over-50s age inclusive jobs board. Job Description We are looking for a Senior Developer to join our Software Engineering team in London. Thisrole is ideal for a hands-on technologist who enjoys tackling complex business ...

    Cloud & AI Solution Engineer – AI Applications

    OverviewAre you insatiably curious, deeply passionate about the realm of AI & applications, and ready to tackle complex challenges in a dynamic environment? If so, we invite you to join our team as a Cloud & AI Solution Engineer in AI Applications for enterprise customers ...

    Cloud & AI Solution Engineer – AI Applications

    OverviewAre you insatiably curious, deeply passionate about the realm of AI & applications, and ready to tackle complex challenges in a dynamic environment? If so, we invite you to join our team as a Cloud & AI Solution Engineer in AI Applications for enterprise customers ...

    Principal Software Engineer UK Security Clearance eligibility required.

    Principal Software Engineer - UK Security Clearance eligibility required Location: London, UK (Hybrid ~1 day per week in office / onsite). Contract: Permanent, Full-time. Package: £80,000-90,000 + 10% bonus + 10% shares options + benefits. About the Role As a Principal Software ...

    Principal Software Engineer

    Principal Software Engineer - UK Security Clearance eligibility required Location: London, UK (Hybrid ~1 day per week in office / onsite). Contract: Permanent, Full-time. Package: £80,000-90,000 + 10% bonus + 10% shares options + benefits. About the Role As a Principal Software ...

    Senior DevOps Engineer

    Crown Agents Bank is a vastly growing and regulated UK bank that connects emerging and frontier markets to the rest of the world, using FX and payments technology. We are transforming the way payments and FX move through emerging markets, reducing friction so that more money gets to those who need it. Emer ...

    Data Platform Engineer

    Start Date: Mid-May 2026 Contract Type: Contract We are seeking experienced Mid to Senior Java / Data Platform Engineers to support a high-profile client engagement. The role will focus on building and optimising scalable, data-driven applications and distributed systems, with ...

    Senior Software Engineer I, Infrastructure

    Senior Software Engineer I, Infrastructure London, England, United Kingdom Join Axon and be a Force for Good. Your Impact As a Senior Software Engineer on Dedrone’s Infrastructure Services team, you will design, build, and evolve the core systems that power both our de ...

    Senior Consulting Engineer Cloud & Architecture Expert

    Java Script Works is seeking a Senior Consulting Engineer to work in London, United Kingdom. The role involves collaborating with a team, engaging in pair programming, and applying strong architectural principles. This position requires proficiency in multiple programming languages, including Java, Python, Node. ...

    Software Developer

    Overview Java Software Developer 12 month Fixed Term Contract – Remote (Ad hoc travel required) Experience within UK public sector required The Company At Amber Labs, we are a cutting-edge UK and European technology consultancy that prioritises empowering autonomy, pr ...

    Senior eFX Algo Developer

    Job descriptionBusiness typeTypes of Jobs - IT, Digital et Data Job titleSenior eFX Algo Developer Contract typePermanent Contract Management positionNo Jo ...

    Senior Fullstack Engineer Commerce Platform

    The Subscriptions Mission builds and evolves the experiences and systems that allow millions of listeners to discover, subscribe to, and enjoy Spotify Premium. Our teams focus on awareness, acquisition, activation, retention, and commerce — ensuring seamless experiences that help fans connect more deeply with ...

    Senior Fullstack Engineer Commerce Platform

    The Subscriptions Mission builds and evolves the experiences and systems that allow millions of listeners to discover, subscribe to, and enjoy Spotify Premium. Our teams focus on awareness, acquisition, activation, retention, and commerce — ensuring seamless experiences that help fans connect more deeply with ...

    Senior eFX Algo Developer

    Job descriptionBusiness typeTypes of Jobs - IT, Digital et Data Job titleSenior eFX Algo Developer Contract typePermanent Contract Management positionNo Jo ...

    Senior DevOps Lead Cloud Strategy & Team Growth

    Java Script Works is looking for a Lead DevOps Engineer in London, United Kingdom. In this role, you will spearhead a growing team in a dynamic environment while delivering and optimising cloud-cost strategies. As a lead, you will manage people and implement multi-cloud strategies, leveraging your expertise i ...

    Senior QA Engineer: Growth Driven Quality & Automation

    Java Script Works is seeking a seasoned software engineer in Greater London. The ideal candidate will have at least 5 years of experience in QA and software engineering, along with proficiency in one or more programming languages such as Java, TypeScript, or Python. You will be responsible for producing high-qua ...

    Head of Digital Mobile & Web Banking

    Head of Digital - Mobile & Web - Banking Excellent opportunity opens for a Technology leader strong on Digital Transformation, Digital Channels and Front End Technology to join a leading Bank's London office in a critical role. You will play a key role to significantly improve its ...

    Lead Software Engineer

    About WeBuild-AI: WeBuild-AI are AI natives delivering 10x value for enterprise organisations. We combine highly skilled experts with our AI Launchpad , industry‑aligned language models, and agents to transform enterprise organisations into AI‑powered and <b ...

    Backend Engineer: Vector Index & Graph AI

    Neo4j Inc is seeking a backend engineer to join their Index team, focusing on database indexes and algorithm development. The role involves building features, optimizing indexing subsystems, and writing high-quality Java code. Ideal candidates will have a strong interest in indexing and algorithms, together w ...

    Lead Backend Engineer, Low Latency Trading Platform

    Bullish, Inc. is seeking a Lead Engineer to spearhead backend development for trading applications on Bullish Exchange. You will design and implement high-performance components in Java while mentoring your team and ensuring quality. Ideal candidates have 12+ years of experience, with a focus on low-la ...

    OMS & Trading Systems Implementation Consultant

    Java Script Works is seeking an experienced Implementation Consultant based in Greater London. The ideal candidate will have a BSc or MSc in IT, Economics, Mathematics, or Finance, along with substantial software implementation experience. Proficiency in JavaScript and familiarity with various programming langua ...

    Senior Test Engineer in London LinuxRecruit

    Senior Test Engineer London, United Kingdom Tech stack GitLab JUnit CI/CD Java SOLID Qualifications Solid understanding of all things automation; strong preference for coding with Java as the primary codebas ...

    Immunoinformatics Engineer in London Dalton

    Immunoinformatics Engineer London, UnitedKingdom Tech stack Python C Java Required Qualifications Advanced proficiency in Python or experience with other programming languages (e.g., Java , C/C++). Strong ...

    QA Architect Live Dealer Platform, CI/CD Expert

    Java Script Works is looking for a QA Architect to work in London, United Kingdom. The successful candidate will have extensive experience with CI/CD processes and various testing frameworks including Selenium, Playwright, and more. Strong programming skills in languages such as Python and Java are essential ...

    Staff Software Architect EU Remote (CET)

    Java Script Works is seeking a Staff Software Architect for a full-time role. This position requires a strong working knowledge of web development technologies such as Java, JavaScript, and Python. The role is designed for candidates who can measure and improve the performance of distributed systems, and have ...

    Engineer II React/React Native | UK + EU (remote)

    Overview About Cleo At Cleo, we’re not just building another fintech app. We’re embarking on a mission to fundamentally change humanity’s relationship with money. Imagine a world where everyone, regardless of background or income, has access to a hyper-intelligent financial advisor in ...

    Senior Frontend Engineer (React/React Native) Office: London

    Responsibilities Your focus will be on our mobile and web apps! We have an intense roadmap ahead, which includes a plethora of new features and integrations, which you will be part of. Tech Stack Languages: TypeScript, Javascript Libraries and frameworks: gRPC, Redux, ...

    Engineer II React/React Native | UK + EU (remote)

    About Cleo At Cleo, we're not just building another fintech app. We're embarking on a mission to fundamentally change humanity's relationship with money. Imagine a world where everyone, regardless of background or income, has access to a hyper‑intelligent financial advisor in their pocket. ...

    Senior React Engineer

    LinkedTrade Technologies is a leading SaaS multi-issuer platform that transforms the structured products industry. Built on the latest technologies, LinkedTrade is a hub that connects private banks, asset managers and distributors to all the issuers and investment banks and offers end-to-end automation for ...

    Senior React Engineer

    We are evolving and optimising the acquisition journey at NewDay – and we’re looking for a Senior React Engineer to help lead the way. Sitting within our Customer Channels engineering team, you’ll play a key role in designing, building and evolving business‑critical applications that support our partner pr ...

    Senior React Engineer

    - and we're looking for a Senior React Engineer to help lead the way.Sitting within our Customer Channels engineering team, you'll play a key role in designing, building and evolving business-critical applications that support our partner products, including brands like Argos and John Lewis.This is a hands-on ro ...

    Senior React Engineer

    Overview Our client is a fast-growing technology company delivering innovative, enterprise-grade solutions. They are looking for a Senior Full Stack Engineer to join their dynamic engineering team and work on production-critical applications with impact. Role Overview Yo ...

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