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    Senior CDN Engineer — Remote, Equity

    A tech-focused company in the UK is seeking a Senior Software Engineer to join their Content Delivery & Security team. This role involves building high-performance systems and working on the core products powering their CDN and security functions. Ideal candidates should have deep C# (.NET) experience or strong ...

    Java Engineer / Java Developer

    Java Developer - Java Software Engineer - Java Engineering Lead required for global tech leader who will offer an interesting, varied and stable career with excellent training, a competitive remuneration package, stability and career development. Working in a highly technical team of Engineering SMEs y ...

    Software Development Manager Defence

    Software Development Manager / Engineering Lead (Defence Consultancy) Newcastle onsite to £140k Join a fast-growing technology consultancy expanding into the defence and national security sector. As a Software Development Manager, you'll partner with the CTO to build and lead a new engineering fu ...

    Software Development Manager Defence

    Software Development Manager / Engineering Lead (Defence Consultancy) Newcastle onsite to £140kJoin a fast-growing technology consultancy expanding into the defence and national security sector. As a Software Development Manager, you'll partner with the CTO to build and lead a new engineering fu ...

    Graduate R&D Software Engineer

    Graduate R&D Software EngineerAn exciting opportunity for a Graduate or experienced Software Engineer to join an innovative stealth start-up in Saffron Walden as an R&D Software Engineer, who are tackling some of the world’s most pressing challenges. Joining a co ...

    Java GUI Developer Swing / MOD / Defence

    Required Skills Java MOD Linux UI Job Summary JavaDeveloper - Real-time Systems Farnborough, Surrey-5daysonsite UKPassportrequired-eligibleforMODclearance Standard 8 is re ...

    Software Engineer (Systematic Hedge Fund)

    Software Engineer – Java / Python London (On-site) This is a hands-on software engineering role within a systematic hedge fund where technology sits at the core of the business. The systems you build directly support trading, research, an ...

    GCP DevOps with JAVA and Python

    The Senior DevOps Engineer will hold accountability for design, implementation, maintenance and support of DevOps pipelines, tooling/automation at a Feature/Lab team level. This will include recommending the right pipeline and tooling choices appropriate for their Feature/Lab accountabilities, in line with ...

    Senior C/C++ Developer (with Java experience) in Birmingham Version 1

    Senior C/C++ Developer (with Java experience) Birmingham, United Kingdom Tech stack React Windows Java TypeScript C JavaScript Requirements Development on a Windows environment. Prior softwar ...

    Senior Software Developer (Python)

    FTC or Permanent UK-wide, Remote About the role Olive Jar Digital is seeking a Senior Software Developer to help build, refine, and enhance high-fidelity AI prototypes and supporting services across several Discovery and Alpha initiatives.You will work closely with machine learning engineers, data ...

    Senior Software Engineer – Scalable Real Time Data Systems

    A leading tech company in Manchester is looking for a Senior Software Engineer to work in a hybrid role. You will lead a small team to build scalable data-driven systems and develop APIs while working with the latest technologies in cloud computing and big data. Ideal candidates will have over 6 years of experie ...

    Python/Django Engineer for Environmental Monitoring (London)

    Java Script Works is looking for a Software Engineer specializing in Environmental Monitoring in London. The role involves developing apps across the full tech stack from concept to delivery. Candidates should have experience with Python and Django, along with front-end skills using frameworks like React and ...

    Senior Software Engineer – Scalable Real Time Data Systems

    A leading tech company in Manchester is looking for a Senior Software Engineer to work in a hybrid role. You will lead a small team to build scalable data-driven systems and develop APIs while working with the latest technologies in cloud computing and big data. Ideal candidates will have over 6 years of experie ...

    Senior Software Engineer

    Senior Software Engineer (C++ / Embedded)Working with a specialist defence technology business delivering mission-critical systems, we’re looking for a Senior Software Engineer to join a high-performing team.You’ll work across the full lifecycle from architecture and design through to integration and acc ...

    Software Engineer (Systematic Hedge Fund)

    Software Engineer – Java / Python London (On-site) This is a hands-on software engineering role within a systematic hedge fund where technology sits at the core of the business. The systems you build directly support trading, research, an ...

    Application Engineering Lead Java, Python, Microservices

    A leading technology consulting firm in Manchester is seeking an Application Engineering Lead to provide expert technical direction for complex MarTech projects. You will work with Java, Python, and Adobe technologies, overseeing design and implementation across diverse environments, including client sites and h ...

    Application Developer Python/Java | AWS | London

    Java Script Works is seeking an Application Developer skilled in Python and AWS to develop and maintain high-quality applications. The position is based in London, requiring presence in the client office three days a week. Candidates should be proficient in Java and have experience with front end/back end integr ...

    Senior Full Stack Engineer Technologist

    Senior Full Stack Engineer - Technologist Senior Full Stack Engineer / Developer (TypeScript Elixir AWS) London / WFH to £100k Do you enjoy problem solving and working with a range of technologies including functional programming languages such as Elixir, using the right tool for the job? ...

    Senior Full Stack Engineer Technologist

    Senior Full Stack Engineer - Technologist Senior Full Stack Engineer / Developer (TypeScript Elixir AWS) London / WFH to £100k Do you enjoy problem solving and working with a range of technologies including functional programming languages such as Elixir, using the right tool for the job? ...

    Lead Software Developer (Python)

    Lead Software Developer Python The Role As a Lead Software Developer, you will take technical ownership for the design and delivery of Python based software solutions focused on automation, integration and AI enabled capabilities. You will play a key role in guiding technical decisions, ...

    Python Software Developer Backend

    About us At Xelix, we work with some of the world’s largest companies to automate and strengthen their financial controls. Our AI solutions redefine how Accounts Payable teams operate – moving from manual processes to automated, intelligent workflows. Xelix is a fast-paced scale‑up – thin ...

    Python Software Developer (Onsite)

    About the Client: Our client is a company at the intersection of art and technology , dedicated to making art accessible to everyone. Through innovative technology, they connect artists and art lovers, creating unique and meaningful digital experiences. About the Role: </h ...

    Senior Software Developer (Python)

    Join to apply for the Senior Software Developer (Python) role at Olive Jar Digital FTC or Permanent, UK-wide, Remote About the Role Olive Jar Digital is seeking a Senior Software Developer to help build, refine, and enhance high‑fidelity AI prototypes and supportin ...

    Python Software Developer Backend

    About us At Xelix, we work with some of the world’s largest companies to automate and strengthen their financial controls. Our AI solutions redefine how Accounts Payable teams operate – moving from manual processes to automated, intelligent workflows. Xelix is a fast-paced scale‑up – thin ...

    Software Developer (Python focused)

    We are seeking a Senior Software Engineer who is motivated by purposeful work and making a measurable impact. In this role, you will lead and deliver high-quality software across multiple platforms, with a primary focus on Windows and Linux environments. This position is centred on Python ...

    Software Developer (Python focused)

    We are seeking a Senior Software Engineer who is motivated by purposeful work and making a measurable impact. In this role, you will lead and deliver high-quality software across multiple platforms, with a primary focus on Windows and Linux environments. This position is centred on Python ...

    Cyber Software Engineer

    Cyber Software Engineer - National SecurityNational Security Business Be part of a growing and highly trusted supplier into the NS domain working to deliver mission critical solutions helping to keep the nation safe, secure and prosperous.Our National Security Business ...

    C++20 Developer Tech Lead

    Salary: up to £200k + bonusSummaryLeading global quant firm looking for a talented engineer with experience in modern C++ to join the quantitative sports trading team. Despite serving as the hub for managing the substantial operations across the UK, Europe and the Middle Ea ...

    Applied Scientist, AGI Information in Cambridge Amazon

    Applied Scientist, AGI Information Cambridge, UnitedKingdom Posted 9 months ago Tech stack optimization Data Structures Java Python C Algorithms Experience Requirements Related field < ...

    Sr. Applied Scientist, Brand Safety in London Amazon

    Sr. Applied Scientist, Brand Safety London, United Kingdom Posted 10 months ago Tech stack Java Python C Text mining Optimization Information theory Areas of Expertise Statistics, optimization, text min ...

    Senior Database Sepecialist Hedgefund in London Quant Capital

    Senior Database Sepecialist - Hedgefund London, UnitedKingdom Posted about 1 year ago Tech stack Python C Databases Redis Cassandra MongoDB PostgreSQL information security Hedge Fund </ ...

    Junior Quantitative Researcher / Developer in London Quant Capital

    Junior Quantitative Researcher / Developer Location: London, United Kingdom Posted: 10 months ago I am looking for gifted applied scientists who have experience working with large, real-world data sets and large scale. Tech stack C Quantitative </ ...

    Head of HFT in London Fasanara

    Head of HFT London, UnitedKingdom Posted 12 months ago Compensation Competitive Role type Full time Visa sponsorship Not provided Benefits & perks Competitive Tech stack SQL Java </li ...

    Head of HFT in London Fasanara

    Head of HFT London, UnitedKingdom Posted 12 months ago Compensation Competitive Role type Full time Visa sponsorship Not provided Benefits & perks Competitive Tech stack SQL Java </li ...

    Applied Scientist generative AI, AGI in Cambridge Amazon

    Applied Scientist - generative AI, AGI Cambridge, United Kingdom Posted 10 months ago Tech Stack Science C Python Java Robotics Artificial Intelligence Experience Experience with processing ...

    Engineering Manager Defence

    Engineering Manager / ...

    Sr. Software Engineer Yield Management Team

    Sr. Software Engineer - Yield Management Team Position: Full‑time What You Will Do We are a results‑focused team that writes high‑quality, high‑impact code for products used by millions of users. You will work with top‑level engineers to deliver world‑class features on time. </p ...

    Senior Java Platform Lead – Hybrid & Scalable Microservices

    A leading streaming technology company is seeking a Senior Software Engineer to join their team in Greater Manchester. This role involves designing and developing scalable web applications and collaborating with cross-functional teams. Candidates should have extensive experience in Java and Python, a background ...

    Forward Deployed Software Engineer Intern: World Impact

    A leading technology firm in the UK is offering an internship as a Forward Deployed Software Engineer. Interns will work closely with customers, leveraging cutting-edge technology to address critical challenges in various industries. Candidates should have an engineering background and proficiency in programming ...

    Senior C/C++ Developer (with Java experience) in Belfast Version 1

    Senior C/C++ Developer (with Java experience) Belfast, UnitedKingdom Posted 9 months ago Tech stack Java C TypeScript JavaScript Windows React Requirements Development on a Windows en ...

    Senior Software Engineer

    We have partnered with our client in their search for a Senior Software Engineer to help redesign and deliver a market-leading front-to-back OTC derivatives solution.Responsibilities Lead and manage development team, including work assignments and professional developmentServe as Scrum ...

    FinTech DevOps Engineer CI/CD, Cloud & Security

    A leading FinTech company is seeking a talented DevOps Engineer to join their Newcastle team. In this role, you will focus on creating and optimizing infrastructure and CI/CD pipelines for complex financial software. The ideal candidate will have a 2:1 degree or higher in Computer Science, strong scripting and c ...

    Software Engineer Devi Technologies

    What You’ll Be Working On:️ Designing, coding, testing, and deploying scalable and maintainable software applications️ Collaborating with cross-functional teams to gather requirements and deliver high-quality solutions️ Participating in code reviews and contributing to continuous improvement of d ...

    Senior Software Engineer

    Senior Product Engineer | Senior Software Engineer | Full Stack Engineer | Senior Software Engineer In order to make an application, simply read through the following job description and make sure to attach relevant documents. Climate Tech Startup Scaling Real-World Carbon Removal <p ...

    Senior C++ Engineer – Cheltenham, SC Cleared

    iO Associates is seeking a Senior C++ Engineer based in Cheltenham, England. The role involves leading end-to-end projects and tackling complex problems in software defined radio. Candidates should be open to using Python for tooling and automation. Experience in Security, Defence, or Financial Services is a sig ...

    Senior Java Engineer (Equinox) – Equity Derivatives Tech – VP

    **Senior Java Engineer (Equinox) – Equity Derivatives Tech – VP** 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 ...

    Senior Java Engineer — Travel Tech, Fully Remote Europe

    A fast-growing travel-tech organisation is looking for a Senior Java Developer to join their team. This fully remote position will involve leading the evolution of a large-scale Java, Spring Boot, and MySQL system. Candidates should have expertise in building commercial applications and understanding of backend ...

    Senior Java Engineer — Travel Tech, Fully Remote Europe

    A fast-growing travel-tech organisation is looking for a Senior Java Developer to join their team. This fully remote position will involve leading the evolution of a large-scale Java, Spring Boot, and MySQL system. Candidates should have expertise in building commercial applications and understanding of backend ...

    DevOps Engineer

    DevOps EngineerGuildford offices (Next to train station) and competitive salary depending on experienceStratospherec are working with a Guildford based Enterprise Management software company who have thousands of clients across the UK and Europe.This Mid-Level DevOps Engineer role is a new position i ...

    Embedded Software Engineer

    World Class Defence Organisation is currently looking to recruit 2x Embedded Software Engineer subcontractors on an initial 6 month contract. Rate: £68.00 per hour Location: Bristol Hybrid / Remote working: The role will be onsite – a compressed 4 day week (Monday to Thursday is fine)Contr ...

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      Software Engineer C Python Java Defence Tech Jobs in United Kingdom Job Search Guide, Trends and Insights