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    Senior Cloud Platform Engineer (AWS/Azure, Terraform)

    PolyAI in Greater London is looking for a Cloud Infrastructure Engineer to design and manage scalable cloud architectures on AWS and Azure. The ideal candidate has 5+ years of experience, strong Python skills, and a background in software engineering. Responsibilities include optimizing resources, improving deve ...

    Front Office Investment Systems Full Stack Dev

    TESTQ Technologies Limited is seeking a Full Stack Developer for their Front Office team in Greater London. The role involves designing and maintaining internal applications that aid clients' investment processes. Candidates should have 6 years of software engineering experience, particularly in finance, with pr ...

    Senior Backend Engineer Remote, Unlimited Vacation, Impact

    InvestEngine is seeking a Senior Backend Developer to join their Backoffice team in London. The role emphasizes architecture, system stability, and scaling platforms essential for business operations. A successful candidate will have over 4 years in backend development, with solid skills in Python and Django. Th ...

    Scientific Simulation Software Engineer

    Wavephotonics in Cambridge seeks a Software Developer to design and maintain high‑performance numerical software applications. You will develop tools for light propagation simulations and collaborate with engineers to deliver quality products. Essential qualifications include experience in physical simulation so ...

    Senior AI Platform Engineer – Early Tech Leader (London)

    Corriculo Ltd is seeking a Senior Software Developer specializing in AI Engineering in London. You will design and deliver a cutting-edge AI-driven platform, develop intelligent systems and data pipelines, and enhance scalable SaaS infrastructure. Ideal candidates will have a strong software engineering backgrou ...

    Platform Engineer: Cloud Infra, CI/CD & Observability

    A technology-enabled advisory firm in Greater London seeks a Platform Engineer to enhance its AWS infrastructure and support developer tooling. The role involves developing cloud-native services and optimizing CI/CD pipelines while collaborating with quantitative teams. Candidates should have at least 1 year of ...

    Lead Python Backend Engineer Processing & Observability

    A leading technology firm is seeking a skilled software developer to enhance their data orchestration pipeline using Python. Join the Data Intelligence Team to work on AI features, develop observability for ML applications, and mentor peers. The role offers remote flexibility, a supportive work environment, and ...

    Off Host Automation Engineer – Hybrid Basildon

    N Consulting Limited in Basildon is seeking an Off Host Automation Techniques Developer. This onsite role involves designing and developing automation solutions that integrate with enterprise systems. Candidates should be skilled in scripting languages like Python and have experience with automation tools. The p ...

    Senior Global Threat Intelligence Platform Engineer

    A global consulting firm in Greater London is seeking a developer to join their Threat Intelligence practice. In this role, you will design and build automation tools and data collection systems, ensuring analysts can access critical insights. The ideal candidate has strong experience with Python, advanced JavaS ...

    Hybrid Full Stack Dev (React/Python) — AI Ready UI

    A technology company in Greater London is seeking a Full-Stack Developer with a strong front-end focus. The role involves developing front-end using React and contributing to backend services with Python. This hybrid position requires two days a week in the London office. The ideal candidate should have experien ...

    Senior Python Engineer — Hybrid, Growth & Impact

    Liberty IT in Belfast is looking for a skilled Software Developer to join their team. This role requires expertise in Python programming and a thorough understanding of API design, as well as experience with SQL and MongoDB. The successful candidate will work within an agile framework and mentor junior developer ...

    Lead Linux Systems Architect — High Availability & CI/CD

    Free-Work UK is seeking a Lead Systems Developer in London. This senior role focuses on designing and developing Linux-based software solutions, mentoring developers, and managing CI/CD pipelines. Candidates should possess strong expertise in Linux, programming languages like Python and Bash, and networking conc ...

    Hybrid Quant Python Engineer — London, High Growth

    Java Script Works is seeking a talented developer to join a leading Quant Investment management firm in London. This role offers an excellent working environment with ongoing training and a structured career path. You can expect a competitive salary along with a substantial bonus from day one. Skills required in ...

    Data Engineer (C# & Python) – Hybrid ETL & Data Lakes

    Client Server Ltd. is looking for a Data Developer / Software Engineer in London. This hands-on role involves designing and building components for a modern data platform while working in a collaborative team environment. Candidates should possess strong backend experience in C# and Python, along with knowledge ...

    PySpark Data Engineer (Microsoft Fabric) – Hybrid London

    Hamilton Barnes is seeking a PySpark Developer for a 6-month contracting role based in London. The position involves designing, building, and maintaining data pipelines for a global financial markets infrastructure. Ideal candidates should have strong proficiency in Python and PySpark, comprehensive Azure experi ...

    AI Software Developer — Hybrid, LLMs & Scalable AI

    Halian | Managed Services, Recruitment Agency & Contract Staffing seeks an experienced AI Software Developer to join their Reading office. The role focuses on designing and deploying intelligent applications using AI frameworks, requiring strong software development skills and experience with AI/ML. Candidates s ...

    Tableau & SQL BI Developer — Transform Data into Insights

    EOS IT Solutions, located in Banbridge, is seeking a Business Intelligence Developer to transform data into actionable insights. This role involves designing and maintaining BI solutions with tools such as SQL, Tableau, and Python. Candidates should have a Bachelor’s degree (Master’s preferred) and strong experi ...

    Senior Java & AI Engineer for Scalable Index Platform

    LSEG is searching for a Lead Java Developer to contribute to the FTSE Russell Index Platform. Ideal candidates will have over 12 years of hands-on backend engineering experience, including Java and Python proficiency, and capability in building AI-powered features. The position demands collaboration with global ...

    Senior Quantitative Developer Hybrid, Bonus & Growth

    hackajob is seeking a Senior Quantitative Developer (VP) in Greater London to design and validate pricing models. This role involves creating financial pricing libraries and risk algorithms while utilizing data analysis techniques. The ideal candidate will have strong financial markets experience, proficiency in ...

    Junior Quantitative Researcher – Applied Scientist (London)

    Quant Capital is seeking a talented Junior Quantitative Researcher/Developer in London to analyze large-scale real-world data sets. The ideal candidate should have a strong quantitative background, good attention to detail, and significant academic achievement at PhD level. Proficiency in programming languages s ...

    Front End React Developer with UI/UX Focus

    Java Script Works is seeking an experienced Front-End Software Developer in Cambridge, UK, with very strong skills using React. The role requires several years in a commercial development environment and an eye for UI/UX design. In addition to React, knowledge of TypeScript, Node.js, Git, and Python is beneficia ...

    AI Azure Developer: Build Intelligent, API Driven Solutions

    Java Script Works in Elland, United Kingdom, is seeking an AI Azure Developer for a full-time role. The position requires experience with low-code and pro-code agent development, strong API integration skills (REST/GraphQL), and proficiency in Python and C#/Java. Familiarity with GitHub Copilot or similar AI cod ...

    Low Latency Java Engineer – Algo Trading Front Office

    Deutsche Bank is seeking a developer for its Quantitative Fixed Income Engineering team in London. You will focus on low latency applications, closely collaborating with engineers, quants, and traders. Ideal candidates will have strong Java skills, experience with high performance development, and familiarity wi ...

    Backend Engineer — Python + PostgreSQL, Ship Complex Features

    Java Script Works is looking for a backend developer based in Greater London. Candidates must have proven experience with backend focus, particularly in Python and PostgreSQL, and should be effective communicators capable of breaking down complex technical information. Familiarity with TypeScript, React, and oth ...

    Graduate Trading Systems Engineer (C++/Python) – London | Yearly Ski Trip

    Stars Arena is seeking a Graduate Developer for Trading Systems in London, United Kingdom. The ideal candidate should have a background in C++ and Python, showing enthusiasm for trading development. With a competitive salary of up to £50,000 plus bonus, this full-time position offers a yearly ski trip as a benef ...

    Senior Agentic AI Engineer: LLM Orchestration & Multi Agent

    Brewer Morris is hiring a Senior Agentic AI Developer in Reading, UK. This role involves designing and building advanced agentic AI systems using Python and modern orchestration frameworks. The ideal candidate will have hands-on experience with agentic architectures, knowledge graphs, and cloud/MLOps. Responsibi ...

    Principal Embedded & IaC Developer

    WorksHub is looking for a Principal Developer based in Southampton, United Kingdom. This full-time position offers up to £75K and requires strong experience in C/C++, Java, Python, and Rust, alongside a deep understanding of electronics and systems design. Candidates should be proficient in infrastructure as cod ...

    Senior Software Engineer .NET, React, CI/CD Expert

    Java Script Works is seeking a Senior Software Developer based in London, United Kingdom. The role requires expertise in Angular, CI/CD, and a proficient understanding of various programming languages including Python and C#. The compensation range is between £25,000 and £55,000 depending on experience ...

    Junior Data Developer: Build Cloud Data Pipelines

    Thatcham Research is seeking a Junior Data Developer to start a career in data and software development. You will join the Data & Development team, supporting design and delivery of data solutions that power analytics across the organization. This role focuses on developing data pipelines and integrati ...

    Cloud Engineer: AWS, Terraform & Serverless Innovator

    A dynamic software company in London seeks a skilled developer with experience in at least one programming language such as Node.js, Python, or C#. The role offers opportunities in infrastructure automation using Terraform and working within an AWS cloud environment. Candidates should be familiar with CI practic ...

    Full Stack GIS Engineer for Public Sector Impact

    A digital transformation consultancy in Altrincham is seeking a Full Stack GIS Developer. You will work on innovative digital solutions that impact public services, collaborating with a multidisciplinary team to develop scalable applications. Candidates should possess strong skills in .NET, Java, or Python and h ...

    FinTech Backend/Full Stack Dev — Hybrid/Remote, Payments

    A growing FinTech company in Greater London is seeking a passionate FinTech Developer to create secure, scalable financial applications. You will be responsible for developing payment systems, integrating banking APIs, and ensuring compliance with data protection regulations. The ideal candidate has 3 to 6 years ...

    Risk Software Engineer Full Stack Python & AI Driven Engines

    A leading financial services firm in Greater London is seeking a Software Developer to join its Technology department. This role focuses on enhancing Risk Engines and collaborating within a dynamic team. Candidates should have full-stack Python skills, experience with scalable applications, and familiarity with ...

    Senior React Native Engineer | Hybrid & Growth

    A leading digital technology consultancy in Greater London is seeking a React Native Developer. In this hybrid role, you will contribute to building intelligent digital products while collaborating with a diverse team. Ideal candidates will have experience in React Native, Python, and CI/CD. The position offers ...

    Senior Global Threat Intelligence Platform Engineer

    A leading professional services firm is seeking a developer to join their Threat Intelligence practice in Edinburgh. The role involves designing and building automation tools and RESTful APIs, ensuring reliable access to critical intelligence insights. Candidates should have strong experience in Python and JavaS ...

    Senior AWS Engineer Remote Serverless & Microservices

    A technology services company located in Edinburgh is seeking a skilled developer focused on cloud-native applications. This role requires strong experience with AWS services like Lambda and API Gateway, alongside proficiency in languages such as Python or Java. The position offers flexibility, a comprehensive b ...

    GenAI Software Engineer — Hybrid, AI Innovation

    A leading UK investment platform is seeking a Software Developer (GenAI) to join its expanding team. You'll work on innovative Generative AI solutions while collaborating in a cross-functional environment. Strong skills in Python, LLMs, and Agile practices are essential. Enjoy a supportive culture with excellent ...

    Staff Software Engineer, AI Serving (AI Infrastructure)

    Staff Software Engineer, AI Serving (AI Infrastructure) Engineering Flex - London, United Kingdom POS-22139 This role can be Office/Hybrid/Remote based within the UK HubSpot is on the forefront of empowering businesses with cutting‑edge AI, and our AI Infrastru ...

    Off Host Automation Techniques Developer (ONSITE– Basildon)

    LocationBasildon, United Kingdom# Off Host Automation Techniques Developer (ONSITE– Basildon) at N Consulting LtdLocationBasildon, United KingdomSalary£300 - £350 /dayJob TypeContractDate PostedApril 25th, 2026Apply Now We’re Hiring – Off Host Automation Techniques Developer (ONSITE– Basildon) We’re looking fo ...

    AI Frontend Engineer

    We are seeking a Frontend Engineer to join our Group Data team, working as part of the AI Agent Hub delivery team. This role will help build, extend, and improve the user experience for ITV's emerging internal AI platform, with an initial primary focus on Open WebUI, Svelte, TypeScript, TailwindCSS, reusab ...

    Senior Software Developer Relations

    Why Join Us? To shape the future of travel, people must come first. Guided by our Values and Leadership Agreements, we foster an open culture where everyone belongs, differences are celebrated, and when one of us wins, we all win. We provide a full benefits package, including exciting travel perk ...

    Senior Software Engineer AI

    Who We Are We're a multidisciplinary team of strategists, designers, engineers and product managers based in London, Delhi, Geneva and Lisbon. Our mission is to help create a world where new digital ideas transform lives - so working here means solving meaningful digital challenges, building your ...

    Quantitative Developer (Multi Strat Hedge Fund)

    A leading multi-strategy hedge fund is looking to hire a Credit Strat Developer to join a high-performing team supporting credit-focused PMs across London and APAC. Check you match the skill requirements for this role, as well as associated experience, then apply with your CV below.This ...

    Quantitative Developer

    Overview 40+ leading quant firms seeking top-tier developers. Multiple immediate openings. What you'll do: Build low-latency trading systems and infrastructure Develop quantitative libraries and research platforms Optimize execution algorithms and risk systems ...

    Principal AI Software Engineer, Senior Vice President

    ## Principal AI Software Engineer, Senior Vice PresidentApplyremote type: Hybridlocations: London United Kingdomtime type: Full timeposted on: Posted Todaytime left to apply: End Date: May 25, 2026 (13 days left to apply)job requisition id: 26960138Are you looking for a career move that will put you ...

    Software Engineer

    Job Description Summary GE Aerospace’s Bristol Robotic Services (BRS) team is seeking a Software Engineer to develop and support high reliability software solutions that power AI-driven aerospace applications. You’ll contribute to the development of backend software and manage the DevOps infrastr ...

    Senior Full Stack Engineer

    About Synextra Synextra is a Microsoft-specialist Managed Service Provider headquartered in Warrington, operating as a premium partner to regulated mid‑market organisations including law firms, financial services firms, and mortgage lenders. We're deliberately small—around 35 people—because we be ...

    Principal AI Software Engineer, Senior Vice President

    ## Principal AI Software Engineer, Senior Vice PresidentApplyremote type: Hybridlocations: London United Kingdomtime type: Full timeposted on: Posted Todaytime left to apply: End Date: May 25, 2026 (13 days left to apply)job requisition id: Are you looking for a career move that will put you at the ...

    Principal AI Software Engineer, Senior Vice President

    Are you looking for a career move that will put you at the heart of a global financial institution? We are seeking an exceptionally skilled Principal AI Software Engineer to architect and implement robust, scalable backend systems that power our advanced AI tools and services. This hands‑on individual cont ...

    Principal AI Software Engineer, Senior Vice President

    ## Principal AI Software Engineer, Senior Vice PresidentApplyremote type: Hybridlocations: London United Kingdomtime type: Full timeposted on: Posted Todaytime left to apply: End Date: May 25, 2026 (13 days left to apply)job requisition id: 26960138Are you looking for a career move that will put you ...

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