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    Senior Design Engineer (Sizewell C) (2 Year FTC)

    Senior Design Engineer (Sizewell C) (2 Year FTC) Job Category: Engineering Contract Partner Company: Bouygues Energies & Services Contracting Employing Company: VSL UK Main Responsibilities Design & Technical Delivery Carry out foundation design w ...

    Senior C++ Security Engineer: Anti Cheat & Anti Tamper

    A leading gaming company in Edinburgh is seeking a Senior Software Engineer (C++) to join their Core Security team. This role focuses on developing solutions to enhance software security and protect against vulnerabilities. Candidates should have over 7 years of experience in software/security development and po ...

    Onsite Full Stack Engineer (Java/C++) • DevOps Ready

    Ncounter is seeking a Full Stack Software Engineer for their Cheltenham office. The role focuses on building resilient systems combining backend expertise in Java or C++, and modern frontend capabilities in JavaScript. Candidates should possess a strong understanding of software engineering best practices includ ...

    Secure Full‑Lifecycle C# Engineer — Onsite Reading, Equity

    CGI is seeking a C# Developer to play a pivotal role in building secure, high-impact applications in their Reading office. You will be involved in the complete application lifecycle and provide 4th line support to ensure high-performing systems. The position is full-time, onsite, and requires UK sole nationality ...

    Remote C&I Control Systems Engineer Energy Projects

    Mane Energy is looking for an experienced Control & Instrumentation (C&I) Engineer to contribute to major energy sector projects. This role involves developing control narratives and system architectures, alongside hands-on system configuration and optimisation tasks. Ideal candidates will have proven experience ...

    Remote C&I Control Systems Engineer Energy Projects

    Mane Energy is looking for an experienced Control & Instrumentation (C&I) Engineer to contribute to major energy sector projects. This role involves developing control narratives and system architectures, alongside hands-on system configuration and optimisation tasks. Ideal candidates will have proven experience ...

    I&C Engineer III Substations & EPC Power Projects

    ITAC Solutions is looking for a skilled engineer in Birmingham, United Kingdom to manage high-impact EPC projects in substations, renewables, and energy delivery systems. This role involves developing designs for control panels and instrumentation systems, collaborating across various engineering teams, and ensu ...

    Remote C&I Control Systems Engineer Energy Projects

    Mane Energy is looking for an experienced Control & Instrumentation (C&I) Engineer to contribute to major energy sector projects. This role involves developing control narratives and system architectures, alongside hands-on system configuration and optimisation tasks. Ideal candidates will have proven experience ...

    Remote C&I Control Systems Engineer Energy Projects

    Mane Energy is looking for an experienced Control & Instrumentation (C&I) Engineer to contribute to major energy sector projects. This role involves developing control narratives and system architectures, alongside hands-on system configuration and optimisation tasks. Ideal candidates will have proven experience ...

    Senior C# Windows SDK Engineer for Sentinel Platform

    GBG is seeking a Senior Software Engineer to join their Documents & Biometrics product team in Manchester. This role, which is hybrid, involves developing and maintaining Windows SDKs, enhancing code quality, and implementing complex features. The ideal candidate will have strong experience in C# and .NET, along ...

    Senior Windows C++ Engineer: Win32/MFC, High Impact

    Version 1 seeks an experienced Windows C++ Senior Software Engineer in Newcastle upon Tyne. This high-visibility role involves enhancing and maintaining a complex legacy MFC-based desktop application and demands strong Windows-native C++ and Win32/MFC expertise. Ideal candidates have 7 to 10 years' experience, e ...

    C# .NET Backend Engineer — Cloud/Azure (Maternity Cover)

    Bright Software Group is looking for a Software Engineer to join their central services team on a maternity cover basis. This role involves developing high-quality backend applications using C# and .NET technologies, along with SQL for data management. The candidate will collaborate with various teams to deliver ...

    Swaps Platform Engineer: Real Time C++, Front Office

    Jefferies is seeking a technically oriented individual for the Equity technology team in London. The role involves developing and maintaining the Equity Swaps platform, supporting front and middle office users across multiple time zones. Candidates should possess strong C++ and Java development skills, along wit ...

    Senior Embedded Engineer: Real Time C/FPGA & SDR

    Zetron, Inc is seeking a Senior Embedded Software Engineer in Whiteley, UK, to develop advanced wireless communication systems. This hands-on role combines embedded software development and FPGA design. Successful candidates will have strong experience in embedded C and FPGA development, a degree in Electronics ...

    Senior C&I Engineer (PLC/SCADA) – Hybrid London

    A systems engineering company based in the UK is seeking a Senior Control and Instrumentation Engineer. The successful candidate will be responsible for designing systems, conducting tests, and implementing control and communication systems primarily within critical infrastructure environments. Applicants must h ...

    Remote Low Latency C++ Engineer for Crypto Trading

    Understanding Recruitment seeks a Remote Low Latency C++ Engineer for a leading crypto trading platform in the UK. This role offers a salary range of £130,000 - £185,000 DOE, along with RSUs, bonuses, and benefits. You will design and build distributed systems with ultra-low latency alongside a high-performance ...

    iOS Mobile Engineer (Swift/Obj C) – Hybrid Bristol

    Computerworld Personnel Ltd is seeking a Mobile Software Engineer in Bristol. The role involves designing and developing iOS applications using Swift and Objective-C. You will work within a cross-functional team to ensure quality standards and enjoy collaboration with stakeholders. The ideal candidate has strong ...

    Senior C++ Lead Engineer Cash Equities Liquidity, VP

    J.P. MORGAN is looking for a Lead Software Engineer in Greater London to enhance their Electronic Trading Technology. The ideal candidate should have advanced C++ skills and hands-on experience in software development and system design. Responsibilities include developing secure production code and leading teams ...

    Senior Embedded C++ Engineer – Real Time Defense Systems

    ALTEN LTD - UK is seeking a Senior Embedded Software Engineer to develop mission-critical embedded software in London. The role demands expertise in embedded C++, with a focus on real-time systems and software robustness. Candidates should have over 8 years of experience in regulated environments and must be abl ...

    Senior C&I Engineer – Fusion Machine Controls & Protection

    United Kingdom Atomic Energy Authority, (UKAEA) is seeking a Senior C&I Engineer based in Culham, Oxfordshire. The role involves providing engineering support for machine operations and diagnostics systems. You will be responsible for troubleshooting and designing critical electrical systems. The position offers ...

    Lead C++ Engineer, Remote Autonomy for USV Navigation

    Ocean Infinity is seeking a Principal Engineer to lead the development of remote and autonomous navigation systems for uncrewed surface vessels (USVs). This role combines hands-on technical leadership with significant responsibilities in shaping the architecture for future autonomy in maritime operations. With a ...

    Senior C&I Engineer Energy & Low Carbon Leadership

    WSP in the UK & Ireland is looking for a C&I Engineer to join their Low Carbon Team. The role involves leading a team to develop innovative designs for energy projects, including waste plants and carbon capture schemes. Key responsibilities include delivering projects, preparing technical deliverables, and engag ...

    Front Office C# Engineer – Real Time Energy Trading

    RJC Group is seeking a Front Office C# Developer in London to develop and evolve applications for energy trading. The role requires strong experience with C# / .NET (Core) and a background in energy or commodity trading. Responsibilities include building scalable services for pricing and risk and supporting live ...

    Senior .NET/C# Engineer Cloud SaaS Platform Lead

    VanRath is seeking a Senior Software Engineer in Belfast to enhance a cloud-based SaaS platform for clinical trials. The role requires 5+ years in software development, with strong skills in .NET (C#) and SQL. Responsibilities include mentoring junior developers and working closely with various teams. The positi ...

    Lead Engineer, C&I Functional Design – Safety Systems

    Rolls Royce SMR Ltd. is seeking a Lead Engineer for C&I Functional Design in Derby, UK. This role involves defining functional specifications for nuclear safety systems and leading design efforts during engineering phases. Key responsibilities include ensuring compliance with IEC standards, mentoring junior engi ...

    Remote .NET Engineer | ASP.NET Core, C#, Azure DevOps

    Noir is looking for .NET Developers to join their dynamic team in Bloxham, UK. This role involves working on innovative web-based software applications using technologies like .NET, .NET Core, and Azure. The company offers remote working options and promotes rapid career progression with opportunities for traini ...

    Senior Software Engineer Open Source Embedded (Rust/C++)

    lowRISC, based in Cambridge, is looking for software engineers to work across the full software stack, including firmware development, security tools, and cloud infrastructure. Candidates should have strong experience in C or Rust, excellent algorithmic skills, and a degree in Computer Science or equivalent. Ben ...

    Mobile A/C Engineer: Fault Finding, Repair & Maintenance

    Equans is seeking a Mobile A/C Engineer for a full-time role in the South of England. The successful candidate will be responsible for ensuring efficient operation of environmental control systems, fault finding, and repair of A/C units. Required qualifications include a minimum NVQ Level 2 in air conditioning, ...

    Senior C&I Engineer Fusion Machine Control & Safety

    UK Atomic Energy Authority is seeking a Senior C&I Engineer to join the Machine Control and Protection Team. You will provide essential engineering support to optimize operations of the MAST Upgrade systems. The ideal candidate will hold a degree in Electrical/C&I Engineering and have extensive programming and f ...

    Senior C++ Test Frameworks Engineer – Low Latency Trading

    Templeton & Partners - Innovative & Inclusive Hiring Solutions is urgently seeking a Senior C++ Software Engineer specializing in automated test framework development for a latency-sensitive algorithmic trading platform. This role involves designing robust automated testing frameworks and contributing to testing ...

    Lead Backend Engineer C#/.NET, Azure SaaS, Hybrid

    Client Server Ltd. is seeking a Lead Backend Software Engineer (C# .Net Azure SaaS) to join their team in Reigate. This role offers a competitive salary of up to £100k plus bonuses, with a hybrid working model. Responsibilities include collaborating with a small team to develop a complex SaaS platform, providing ...

    Cloud Backend Engineer – C#/.NET | AI Driven Dev

    Budweiser Brewing Group (AB InBev) is looking for a backend engineer to contribute to the PerfectDraft platform. In this London-based role, you will build and maintain APIs, collaborate with various teams, and write clean, maintainable code. Ideal candidates should have experience with C#, .NET, and a solid unde ...

    Senior Backend Engineer: C#/.NET, SQL – London (Onsite)

    Client Server Ltd. is seeking a Backend Software Engineer in London. You will work on complex algorithmic trading systems at a prestigious Hedge Fund with a salary up to £180k and significant bonus potential. The role requires advanced skills in C# .Net and SQL, and offers opportunities for leadership and mentor ...

    Senior C++ Engineer — Low Latency Timing Systems (Hybrid)

    Ad Warrior Ltd is seeking a Senior C++ Developer to lead the design and optimization of low-latency, high-precision C++ software for Linux-based systems. The role involves making architectural decisions, developing support tooling, and mentoring junior developers. The ideal candidate will have extensive experien ...

    Cloud Risk Software Engineer (C#, SQL, Azure, YAML)

    SGI is seeking a Software Engineer for an initial 6-month contract located in Greater London. The role involves supporting and maintaining cloud-hosted risk systems with onsite presence required 2 days a week. Candidates should have strong skills in C# .Net and SQL, with knowledge of Azure and YAML being advanta ...

    Lead Backend Software Engineer C# .Net Azure SaaS

    Lead Backend Software Engineer / Developer (C# .Net Azure SaaS) Reigate / WFH to £100k Are you a backend focussed C# technologist with an indepth knowledge of Azure? You could be progressing your career in a senior, hands on role at a global InsurTech business that is producing game chang ...

    RISC V Systems Software Engineer (Rust/C & Compiler)

    microTECH Global LTD in Cambridge is looking for a skilled engineer to develop RISC-V firmware and drivers. You will utilize your expertise in C or Rust, implement security tools, and analyze performance metrics. A degree in Computer Science or equivalent experience is required, along with strong problem-solving ...

    C++ Systems Engineer – Defence, On Site in Bristol

    Matchtech is seeking a Software Developer specializing in C++ for critical defence systems in Bristol. You'll contribute to the software development lifecycle, implementing and maintaining high-integrity systems. Key skills required include solid commercial experience with C++, systems-level development, and und ...

    C# .NET Backend Engineer Hybrid, Up to £50k

    Proactive Appointments is seeking a Mid-Level Backend Software Developer (.NET) in Taunton, Somerset. The ideal candidate will have 2-3 years of commercial experience with C# and .NET Core and will join a collaborative development team. This hybrid position requires building scalable applications and maintaining ...

    Elite C++ Systems Engineer Low Latency, High Impact

    NJF Global Holdings Ltd is seeking skilled systems engineers to join an elite team focused on building and evolving a high-performance trading platform. You will have the autonomy to design and optimize systems where performance is critical. Responsibilities include developing high-performance C++ systems, impro ...

    C Software Engineer Defence Embedded Systems (Security Clearance)

    An innovative defence and security company is seeking a skilled C Software Engineer to join their team in Cambridge. This role offers the chance to work on groundbreaking technologies that enhance national security. You will engage in developing cutting-edge systems architecture and algorithms, utilizing your ex ...

    VP, Low Latency C++ Systems Engineer (London, Hybrid)

    Nomura is seeking a Vice President with expertise in C/C++ development to join its low latency development team in London (Hybrid). The role involves designing, maintaining high-performance code, and collaborating in an agile environment. Ideal candidates will have experience with financial markets, Linux knowle ...

    Senior Substation P&C Design Engineer — Hybrid UK

    Carrington West is looking for a Senior Substation Secondary (P&C) Design Engineer to join their team in Birmingham. This role involves leading technical design projects for electricity transmission and distribution networks. Candidates should have a BEng in Electrical Engineering and experience in P&C design. T ...

    AOG Team Lead: B1/C Aircraft Engineer (London)

    Bombardier Transportation GmbH is seeking a Team Lead B1/C Engineer for its Biggin Hill Service Centre in the UK. This role involves overseeing technical and operational delivery, ensuring compliance with health and safety regulations, and effectively managing a team of technicians. Ideal candidates will possess ...

    MT4/MT5 C++ Engineer | Quant Trading Firm | London

    A leading systematic trading firm is looking for a specialist C++ Developer to join its front office team to work on a major re-engineering of its MT4/MT5/FIX bridge across pricing, execution and liquidity management. They need a hands‑on developer with strong MetaQuotes experience and C++, with a proper u ...

    Senior C++ Software Engineer: Embedded Linux & CI/CD

    Jenoptik AG is seeking a Software Developer in Camberley, England. The ideal candidate will be skilled in C++ and have a solid understanding of Linux and CI/CD practices. You will work across the full technology stack, contributing to embedded systems and optimizing build environments. Strong experience (5+ year ...

    Cloud SDET: Automated QA Engineer (C#, Azure Pipelines)

    AVEVA is looking for a motivated Software Development Engineer in Test (SDET) to join their 3DVis Cloud team, located in Derry/Londonderry or Cambridge, UK. The role involves collaborating on quality testing practices, developing automated tests using C#, and maintaining high standards for software quality and s ...

    Senior C&I Modelling & Simulation Engineer — Hybrid UK

    Rolls Royce SMR Ltd. is looking for a Senior C&I Engineer for Modelling & Simulation in East Midlands. The ideal candidate will develop and verify simulation models for nuclear systems, working across multidisciplinary teams. Strong skills in modelling tools like MATLAB and experience in the nuclear industry are ...

    Remote HVAC Engineer — A/C Systems & Maintenance Expert

    Energy Jobline CVL is seeking a skilled HVAC Engineer to provide installation, servicing, and maintenance of air conditioning systems. This permanent role offers fully remote working arrangements in Fareham, England, providing flexibility and support for professional development. Ideal candidates will have prove ...

    Senior C&I Modelling & Simulation Engineer — Hybrid UK

    Rolls Royce SMR Ltd. is looking for a Senior C&I Engineer for Modelling & Simulation in East Midlands. The ideal candidate will develop and verify simulation models for nuclear systems, working across multidisciplinary teams. Strong skills in modelling tools like MATLAB and experience in the nuclear industry are ...

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      Fullstack Engineer C Python React Data Management Jobs in United Kingdom Job Search Guide, Trends and Insights