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    Senior Embedded Software Engineer (C/C++) Onsite Malvern

    QinetiQ is looking for a Senior Embedded Software Engineer to join their team in Malvern. This role involves developing software for innovative electronic systems, applying rigorous engineering practices, and collaborating with various stakeholders. Candidates should have extensive experience in C/C++ and ideall ...

    Senior Test Software Engineer C/C++ (Onsite, Stevenage)

    Anson McCade is seeking a Senior Software Engineer in Stevenage to develop test equipment software for missile systems. This role is crucial in a secure, delivery-driven environment where you will engage in C and C++ programming, ensure software quality through automation and best practices, and collaborate with ...

    Real Time Embedded Software Engineer – C/C++, HW

    A UK technology firm is seeking a Software Engineer to design and develop real-time embedded software. This role involves building robust architectures and optimising performance while collaborating closely with hardware teams. Candidates must have strong C/C++ experience in embedded environments, as well as fam ...

    Senior Software Engineer – C/C++ on Linux | Hybrid

    Magentus is looking for a Senior Software Engineer in Manchester to develop critical applications. The role includes mentoring other engineers and working collaboratively on software solutions. Candidates should have a Bachelor's degree in Computer Science or equivalent, along with experience in C++, C, and Linu ...

    Innovative Software Engineer Intern: C++/C#/.NET Desktop

    A leading software company in Sheffield is seeking a software engineer intern for a June/July 2026 start. Join a team that enhances desktop Navisworks and BIM Collaborate Pro. You’ll gain valuable experience in software development, supporting a team of engineers and designers while working on real-world project ...

    Software Engineer Intern (C++/C#) – Build Desktop Features

    A leading software development company in Sheffield seeks a Software Engineer Intern. This role involves contributing to the development lifecycle from design to release, working on a C++/C# codebase, and engaging with Agile methodologies. Ideal candidates are undergraduate students pursuing a software developme ...

    Software Engineer Intern (C++/C#) Build BIM Tools

    A leading software development company is seeking a software engineer intern in Sheffield. This role involves contributing to the full development lifecycle while working with experienced engineers on C++/C# codebases. Ideal candidates are pursuing a degree in software development and have an interest in program ...

    Software Engineer (C#/C++) On Site Corsham + Benefits

    A dedicated technology firm in Corsham is seeking a Software Engineer to work on mission-critical simulation software. The candidate should have strong skills in C++/C# and experience designing efficient solutions. This on-site role offers a salary between £35,000 and £50,000 alongside benefits like 25 days of a ...

    DV Eligible Senior Embedded Software Engineer – C/C++

    A leading technology company in Leominster is seeking a Senior Embedded Software Developer to lead the development of bespoke solutions. The role involves designing, implementing, and maintaining code interfacing with hardware. The ideal candidate will have extensive experience in embedded software development a ...

    Embedded Software Engineer (C/C++, DSP/FPGA) Avionics

    A global technology firm located in Market Deeping is seeking a Software Engineer to enhance their software team. In this role, you will conduct software engineering activities, including design, development, testing, and documentation of products. The ideal candidate will have a relevant degree, proficiency in ...

    Senior Embedded Software Engineer Hybrid (C/C++, Linux)

    A leading global safety technology firm is looking for a Software Engineer in Ware, UK. This hybrid role involves designing scalable software solutions using C/C++, collaborating with hardware engineers, and engaging throughout the development lifecycle. Ideal candidates will have experience in embedded systems, ...

    Senior Software Engineer in London

    Senior Front Office Software Engineer – Real‑Time Trading Systems Contract – Inside IR35 £700 - £1100 per day London – Hybrid (3 days in office) The Short Version. You must be a senior software engineer with experience in trading environment ...

    Senior Software Engineer in London

    Senior Front Office Software Engineer – Real‑Time Trading Systems Contract – Inside IR35 £700 - £1100 per day London – Hybrid (3 days in office) The Short Version. You must be a senior software engineer with experience in trading environment ...

    High Throughput C++/Python Trading Systems Engineer

    A financial technology company in Greater London is seeking a C++ and Python developer. Join their middle-office team to work on trade reconciliation, back-testing frameworks, and trading monitoring systems. The role involves writing high-performance code and requires skills in C++ and Python, as well as knowled ...

    Staff ML DevTools Engineer (Python/C++, PyTorch)

    Arm is seeking a Staff Software Engineer located in Cambridge, UK. In this role, you will design and build developer-facing tools, collaborating with teams to enhance usability and performance. The ideal candidate will have proven experience in software development, proficiency in Python and C++, and familiarity ...

    C++/Python Engineer Ultra Low Latency FinTech

    A leading financial technology firm in Belfast is looking for a skilled C++ / Python Engineer to join their innovative team. In this hybrid role, you will design and implement complex production systems using C++ and Python, ensuring optimal performance and reliability. The ideal candidate will have strong probl ...

    Quant Library Engineer Rates Pricing (C++/Python)

    A leading hedge fund in Greater London is seeking a Quant Developer focused on building and enhancing core pricing and risk libraries. The role involves developing C++ pricing/risk libraries for Rates products and collaborating closely with quants and traders. Ideal candidates will have strong C++ and Python ski ...

    AI Driven Internal Tools Engineer (C#/Python)

    TTP plc is seeking a Software Developer for a 12-month fixed-term contract in Cambridge. You'll design and build applications that enhance operational efficiency and utilize data and AI. The role requires experience in C# / .NET and Python, familiarity with REST APIs, and a hands-on approach to integrating syste ...

    Senior Test Automation Engineer – LabVIEW/C++/Python

    Plessey Semiconductors Ltd in Plymouth is seeking a Software Engineer to develop automated reliability testing systems for MicroLED devices. The ideal candidate will have a Master’s degree in Physics or Electronic Engineering, with proficiency in LabVIEW and C++. The role involves developing software tools for c ...

    Trading Systems Engineer C++/Python, High Availability

    A leading trading firm in London is seeking a Software Engineer to design and develop high availability trading systems using C++ and Python. The ideal candidate will have over 5 years of C++ experience and a strong understanding of concurrency and software for trading. This role requires collaboration with quan ...

    Senior Market Data Engineer — C++/Python, Hybrid

    A leading data analytics firm is seeking a Senior Developer to build and maintain data parsers for market data. The role requires experience in C++ and Python, with a background in financial market data. Responsibilities include owning development projects and delivering new solutions. The company offers competi ...

    Aviation Ground Test Automation Engineer (C++/Python)

    A leading digital services provider in Bristol is seeking a skilled Software Engineer to support an aviation client on a Ground Test Automation project. The role involves ensuring system quality and reliability through development, testing, and collaboration. Candidates should have strong experience in C++ and P ...

    Embedded UI Engineer C++/Python Tooling & CI

    A leading streaming platform in Cambridge is seeking a Software Engineer for UI Infrastructure. You will contribute to the embedded UI framework development and ensure high-quality software performance. This role involves building tooling, developing pipelines, and writing C++ code. Candidates should have strong ...

    Autonomy Robotics Engineer ROS 2, C++, Python

    A leading robotics firm in England is seeking a Robotics Software Engineer to develop and maintain autonomy software for robotic systems. The ideal candidate will have strong experience with ROS 2, C++, and Python, with an emphasis on engineering excellence and collaboration. The role involves hands-on deploymen ...

    Senior UI Infrastructure Engineer (C++/Python tooling)

    Roku, Inc. in Cambridge, UK is seeking a Senior Software Engineer to develop core features for its UI infrastructure. This role requires extensive experience with C++ and Python, alongside a strong ability to contribute to embedded UI framework development. You will collaborate closely with system architects ...

    AI Engineer Azure / C# .NET or Python

    AI ENGINEER - AZURE &C# .NET or PYTHON Up to £60,000.00 Home Based with occasional travel Are You... An AI Engineer, a strong Software Engineer transitioning into AI, or perhaps a Data/Automation Engineerwith some GenAI delivery experience? Why Not Join Us HereA ...

    Backend Engineer (C# / Python / AWS) – Hybrid London

    Client Server is seeking a Backend Software Engineer in Greater London on a 12-month Fixed Term Contract. The role offers a salary of up to £180,000 per annum plus benefits. The ideal candidate will have strong experience with C#, .NET, Python, SQL, and AWS, along with a background in investment management or fi ...

    Market Data Backend Engineer (C# & Python) – Hybrid

    Client Server is looking for a Backend Software Engineer in London, offering a salary of £100k - £150k plus bonus and benefits. You'll design and build data platform components using C# and Python, develop ETL pipelines, and improve CI/CD practices. The role requires strong backend development, knowledge of data ...

    Senior Software Engineer

    We’re looking for a Senior Software Engineer to join a growing biotech business developing advanced instrumentation platforms used across antibody discovery, cell line development and protein analysis. You’ll play a key role in building and integrating software that powers complex systems, working a ...

    Senior Software Engineer

    We’re looking for a Senior Software Engineer to join a growing biotech business developing advanced instrumentation platforms used across antibody discovery, cell line development and protein analysis. You’ll play a key role in building and integrating software that powers complex systems, working a ...

    Graduate Software EngineerAbout the Role: in London S&P Global

    Graduate Software Engineer Location: London, United Kingdom Posted about 1 year ago Tech Stack Computer Science Software Engineer Java Python Scala Data Structures Clojure Requirements </h ...

    Graduate Software EngineerAbout the Role: in London S&P Global

    Graduate Software Engineer Location: London, United Kingdom Posted about 1 year ago Tech Stack Computer Science Software Engineer Java Python Scala Data Structures Clojure Requirements </h ...

    Hybrid Software Engineer Portsmouth (AI & Simulation)

    A leading technology consultancy based in Portsmouth is seeking a Software Engineer to develop innovative software solutions across various sectors including defence and energy. The successful candidate will have strong programming skills in C/C++ or C# and Python, alongside a relevant degree. The role offers hy ...

    Hybrid Software Engineer Portsmouth (AI & Simulation)

    A leading technology consultancy based in Portsmouth is seeking a Software Engineer to develop innovative software solutions across various sectors including defence and energy. The successful candidate will have strong programming skills in C/C++ or C# and Python, alongside a relevant degree. The role offers hy ...

    Backend Engineer (Java/Python) for Critical Systems — London

    ALTEN LTD - UK is hiring a Backend Software Engineer in London responsible for developing high-reliability software platforms. You'll focus on creating core operational software, working with data flows, and improving automation efficiency. Candidates should have strong Java and Python skills, a degree in Engine ...

    Dev Ops Java/Python London

    Senior Engineer in Production Management The Senior Engineer in Production Management, will be responsible for the development and overall implementation of software in a complex, critical and large cross-departmental and multi-disciplinary area. The role is part of a multi-year transformation ...

    Lead Software Engineer

    Role: Lead Software Engineer Location: Malvern (Hybrid; 3 days per week onsite) Salary: £60,000 - £65,000 per annum + Benefits Security Requirement: Must be eligible for SC clearance We're looking for a Lead Software Engineer to join a ...

    Lead Software Engineer

    Role: Lead Software Engineer Location: Malvern (Hybrid; 3 days per week onsite) Salary: £60,000 - £65,000 per annum + Benefits Security Requirement: Must be eligible for SC clearance We're looking for a Lead Software Engineer to join a ...

    eDV / UK*C Contract Opportunities

    eDV / UK*C Contract Opportunities Up to £800 per day London Active eDV / UK*C security clearance required Contract positions available with leading technology companies, consultancies, and SMEs in the UK Cyber, National Security & Intelligen ...

    Senior Full Stack Engineer Space Mission Control (Hybrid)

    A leading company in space software development is seeking a Senior Full Stack Software Engineer to join their Ground Segment Software team. The role involves designing and maintaining mission-critical software for satellite operations. Ideal candidates will have 5+ years in software development and proficiency ...

    Software Developer C#

    Benefits 25 days annual leave, plus flexible bank holidays and the opportunity to buy additional days Enhanced workplace Pension scheme - opt-in salary sacrifice scheme Life Insurance (3x annual salary) Employee Assistance Programme (EAP) and workplace wellbein ...

    Senior Product Engineer (VC Scale Up)

    Some roles give you a better salary. Some give you a better story. This one has the potential to do both. I’m hiring multiple Senior Full Stack Engineers for a Series A Scale Up in Central London that is moving quickly, building with AI as a real part of the product, and led by people who kno ...

    Backend Software Engineer Crypto Trading (Hybrid, London)

    A leading technology firm is seeking a Software Engineer to develop backend systems for institutional crypto trading. The ideal candidate will have over 3 years of experience in software engineering, particularly with Go, Java, C++, C#, or Python. Responsibilities include maintaining services for trading and set ...

    Backend Engineer – Crypto Trading & Markets

    Deepstreamtech is seeking a Software Engineer based in London to contribute to the development of a backend trading and settlement platform for institutional crypto trading. Candidates should have at least 3 years of experience with programming languages such as Go, Java, C++, C#, or Python, and a strong interes ...

    Senior Software Engineer Biotech Instrumentation

    A growing biotech business in the UK is seeking a Senior Software Engineer to develop advanced instrumentation platforms for antibody discovery and protein analysis. You will design and develop software, contribute to instrument control, and troubleshoot embedded software. The ideal candidate has over 5 years of ...

    Full Stack Engineer: AI Agents & DAML Runtime

    A software technology company in the UK is seeking a Staff-Level Full-Stack Software Engineer to design and develop robust software solutions. You will work with object-oriented programming languages like Java, C#, Python, or Scala and build AI agents powered by Large Language Models. This role requires strong d ...

    Senior Software Engineer Biotech Instrumentation

    A growing biotech business in the UK is seeking a Senior Software Engineer to develop advanced instrumentation platforms for antibody discovery and protein analysis. You will design and develop software, contribute to instrument control, and troubleshoot embedded software. The ideal candidate has over 5 years of ...

    Market Data Feeds Software Engineer

    Market Data/ Feeds Connectivity Developer Required for a top Quant Finance firm in London. We are seeking a strong Market Data Software Engineer who is skilled in working specifically within a feeds/ market data team within a Hedge Fund or similar company. (If you have not worked in a similar tea ...

    Software Architect C#

    At SWARCO, we shape the future of transport. As part of the global SWARCO Group, we develop cutting‑edge technologies for intelligent, sustainable, and efficient mobility ecosystems worldwide, from advanced traffic management to cloud‑based mobility platforms. Our work reduces congestion, enhances safety, ...

    Software Architect C#

    At SWARCO, we shape the future of transport. As part of the global SWARCO Group, we develop cutting‑edge technologies for intelligent, sustainable, and efficient mobility ecosystems worldwide, from advanced traffic management to cloud‑based mobility platforms. Our work reduces congestion, enhances safety, ...

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