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Security Software Engineer

Canonical is a leading provider of open source software and operating systems to the global enterprise and technology markets. Our platform, Ubuntu, is widely used in breakthrough enterprise initiatives such as public cloud, data science, AI, engineering innovation, and IoT. Our customers include the world's ...

Senior Software Engineer

Senior Software Engineer Edinburgh - On-site £Competitive + Holiday + Pension This is an excellent opportunity for a Software Engineer to join a global leader with more than 30 years of experience in aerospace & defence. That offers autonomy and the opportunity to impact the wider b ...

Software Engineer III

About the Role You’ll be part of our Software Engineering squads, working with talented engineers and performing complex research, design, and implementation within a software functional area or product line. Your role will cover all aspects of the software development lifecycle as you will develop, re ...

AI Software Engineer

Role Details:Contract Length: 3–6 months (potential to go permanent)IR35: Outside IR35Location: Remote, with occasional travel to London/Kent preferredDay Rate: £300–£325 per day Key Requirements:Hands-on exposure to Azure AI and Machine LearningExperience with Agentic AI, RAG ...

Embedded Software Engineer

If you are an embedded software engineer that enjoys working on real products, close to hardware, and want to see your work go from code to manufacturing on-site, this could be a great fit. The embedded team is expanding as they build out the next generation of their platform, consolidating codebases, mo ...

Senior Software Engineer

Senior Software EngineerStockport| Hybrid 2-3 Days | £60-80,000This is a product engineering role in a company quietly becoming the operating system for a very traditional, very global industry.Their software runs live, real-world operations.If it breaks, people notice.If it works wel ...

Senior Software Engineer

Are you a Software professional with a background in DSP and have exposure to developing 5G applications?If so I'd like to speak with you!A well-established R&D organisation who are also a market leader, are looking to rapidly expand their engineering team and as such are seeking an Embedded ...

Software Test Engineer

Software Test Engineer Luton - Hybrid (3 days onsite, 2 remote)Security Clearance will be required to startup to £73.40ph inside IR35Our client, a key player in the defence and security sector, is currently seeking an experienced Software Test Engineer to join their Electronic Warfare line of ...

Embedded Software Engineer

Embedded SW Engineer - CardiffOne of our clients are gearing up for a major R&D project and are looking at a 3/6 month contract for an Embedded SW Specialist. We are looking to identify high-calibre Embedded Software/Firmware Contractors to support the development of custom hardware.Key Techn ...

Embedded Software Engineer

Embedded Software Engineer, Dorset, £55,000This is an exciting opportunity for a mid-to-senior level Embedded Software Engineer to take ownership of innovative machine control solutions. You’ll play a key role in designing, developing, and integrating embedded software for advanced control systems, worki ...

Senior Software Engineer

Senior Software Engineer - C#, .Net, TypeScript, JavaScriptHybrid, 2 days in the office which is located near Liverpool Street£70,000 - £90,000If you enjoy solving complex engineering problems, learning from highly capable peers, and working on a product where your contribution genuinely matters, thi ...

Software Security Engineer

Software Security Engineer Defence Software Products Would you like to work at the sharp end of defence technology, helping secure some of the most advanced software-enabled systems in the world? The Software Security Engineer sits right at the heart of a defence-focused product portfolio. Yo ...

Control Software Engineer

Control Software Engineerto c£55k neg dep exp plus benefits East Midlands - commutable from Nottingham, Leicester and CoventryOur client demonstrates almost 40 years' experience in the manufacture of bespoke automation and robotic systems for a range of industrial applications and are reg ...

Software Engineer (Firmware)

Embedded Software EngineerLocation: Near Sandwich (Hybrid 2 days from home)Package: Competitive salary, 9 day working fortnight, profit bonus, and more benefitsSecurity requirements: Must have lived in the UK consecutively for 5 years+Ready to grow your career with a thriving comp ...

Embedded Software Engineer

Software & Embedded Systems EngineerAdvanced Engineering & Defence TechnologySouth East England, Kent region A specialist engineering organisation is looking for a skilled Software & Embedded Systems Engineer to join their technical team. This role focuses on designing, developing, an ...

Senior Software Engineer

Senior Software EngineerStealth AI Startup | London | HybridWe’re hiring for a fast-growing AI startup building a cloud-native analytics platform that transforms large volumes of LLM output into structured, queryable intelligence for businesses and brands.The platform is fully AWS-native, ...

Embedded Software Engineer

Develop embedded software solutions for cutting-edge UK defence technologyto £80,000 DoE + BenefitsThis company is growing strongly with projects in various areas of national defence and are seeking a skilled Embedded Software Engineer to join the team. These projects are all specifically related to UK d ...

Senior Software Engineer

We're looking for a Senior Software Engineer to join a growing team building smart, scalable tools used by professionals across a range of industries. You'll work onsite in London, helping shape robust backend services and responsive user experiences using React, NextJS and NodeJS.What You'll DoB ...

Principal Software Engineer

Principal Network Software Engineer Shape the software behind an industry leading product, the type that sits at the heart of high performing technical environments. Combining precision hardware, real-time control, and sophisticated software, my client are seeking a Principal Network Software Engineer ...

Automation Software Engineer

Automation Software Engineer – Automation & Robotics SolutionsLocation: Tamworth / On-site as requiredReports to: Managing DirectorEmployment Type: Full-time, PermanentAbout the CompanyA family-run design and manufacturing firm, specialising in cutting-edge automation and robo ...

Embedded Software Engineer

Embedded Software EngineerNewcastle upon Tyne£45,000 - £60,000 + BenefitsKO2 are proud to be partnering with an innovative client in Newcastle upon Tyne, as they continue to expand their engineering team through 2025. This is an exciting opportunity for an Embedded Software Engineer to wo ...

Senior Software Engineer

How do you feel about building custom, high-precision machinery—and we need a Senior Software Engineer to design and deliver the real-time software that brings it to life.This isn’t CRUD apps and dashboards. This is software that talks to hardware, controls complex processes, and has to work right now, e ...

Senior Software Engineer

Title: Senior Software Engineer (Compilers)Company: HPC & AILocation: London (primarily remote)Compensation: Up to £190,000Company:An advanced HPC R&D firm, looking to expand the UK compiler team. Most of the team are ex-Big-Tech, ex-FAANG or ex-Chip firms. They jo ...

Senior Software Engineer

Senior Software Engineer - Up to £350,000 - CambridgeTitle: Senior Software EngineerCompany: Proprietary HFTLocation: CambridgePay: Up to £350,000 with huge potential to increaseCompany:A proprietary trading firm in Cambridge, specialising in the research and devel ...

Senior Software Engineer

Title: Senior Software Engineer (GPU Drivers)Company: AI AccelerationLocation: London (very flexible WFH)Pay: Up to £160,000 + bonus and benefitsCompany:An advanced HPC R&D firm, looking to expand their GPU Driver team. Most of the team are ex-Big-Tech, ex-FAANG or ex- ...

Senior Software Engineer

Cyber BusinessOur Cyber business unit is at the forefront of pioneering advanced cryptographic and key management solutions, facilitating the confidential exchange of vital information for customers operating at both tactical and strategic echelons. Join our team and participate in the innovation that en ...

Software Test Engineer

Software Test EngineerLuton12-Month Contract Paying up to £74p/h (InsideIR35)Please note - due to the nature of the work, you will need to hold or be eligible to obtain a high level of UKSV Security clearance - please only apply if suitableKey Responsibilities:Crea ...

PLC Software Engineer

PLC Software Engineer – North Nottinghamshire - Permanent – £30-65k + private health care+++Key points – company prides itself on building a reputation for high quality service whilst making sure their engineers have a good work/life balance+++Samuel Frank is recruiting for a PLC Software Enginee ...

Embedded Software Engineer

Embedded Software EngineerSalary: Up to £80,000 DOEFully On-SiteJoin a Leading Organisation Shaping Defence and Security Technologies Our Client operates at the forefront of the defence, security, and intelligence industries, delivering innovative solutions across space, air, land, se ...

Embedded Software Engineer

Job Title: Embedded EngineerLocation: WiganSalary: Up to £50,000 per annumOur client is seeking a talented and motivated Embedded Engineer to join their growing team in Wigan. This is an exciting opportunity to work in an innovative, technology-driven environment where your expertise will ...

C# Software Engineer

Location: Stevenage OR Bristol (fully onsite)Duration: 12 month contractRate: £65ph UMB (Inside IR35)Role details: Our client, a leading consultancy in the defence and aerospace sector, is currently seeking a C# Software Engineer to join their dynamic team. This is a contract position ...

Senior Software Engineer

Senior Software Engineer - C#, .Net, TypeScript, JavaScriptHybrid, 2 days in the office which is located near Liverpool Street£70,000 - £90,000If you enjoy solving complex engineering problems, learning from highly capable peers, and working on a product where your contribution genuinely matters, thi ...

Backend Software Engineer

Role: Backend Software Engineer - TypeScript | Node.jsLocation: NottinghamshireWorking Arrangement: Hybrid - 3 Days OnsiteSalary: Up to £85k + Serious PerksYou know the difference between “just another backend role” and one that actually moves the needle.This is the latter ...

Senior Software Engineer

Role: Senior Software EngineerLocation: Canary Wharf, Central LondonSalary: £70,000-£75,000 Plus Hybrid / Flexible Working, Company Bonus, Generous Pension and more.We are working with a well-funded, mission-driven organisation in the renewable energy space looking to hire a Senior Software Engin ...

Electronic Software Engineer

Electronics & Embedded Software Engineer - Wigan - Up to £40,000KO2 is partnering with a leading electronics company in Wigan, known for developing innovative products across multiple industries. With new projects underway, they're expanding their R&D team and seeking an Electronics & Embedde ...

Embedded Software Engineer

Embedded Software Engineer | £40-80k DOE | CambridgeAre you a software engineer who wants to work with some of the most high-tech companies in the world? One of the UK’s leading consultancies is hiring software engineers to join their high-growth, driven, and extremely motivated team.They partner with cl ...

Control Software Engineer

Control Software Engineerto c£55k neg dep exp plus benefits East Midlands - commutable from Nottingham, Leicester and CoventryOur client demonstrates almost 40 years' experience in the manufacture of bespoke automation and robotic systems for a range of industrial applications and are reg ...

Robotics Software Engineer

Robotics Software Engineer Newcastle (Hybrid Working) £40,000 - £60,000 DOEKO2 is supporting a highly regarded robotics and automation business based in Newcastle. The organisation designs and delivers advanced robotic systems deployed across a range of international, real-world applications and ...

Software Engineer Edinburgh

Software Engineer - Edinburgh Company Description Founded and headquartered in Switzerland, Avaloq is continuously expanding its global footprint with around 2,500 colleagues in 12 countries, and more than 170 clients in 35 countries. We are an industry-leading provider of wealth management ...

Embedded Software Engineer

Senior Embedded Software EngineerStroud, Gloucestershire | Up to £70,000KO2’s client is a well-funded, fast-growing tech start-up building intelligent, ultra-low-power sensing systems for real-world environments. Their platforms combine embedded firmware, signal processing, secure wireless connec ...

Senior Software Engineer

Senior Software Engineer - (9 month contract)Salary: NegotiableShift: Days Mon-Fri Location: Remote - Can live anywhere We are recruiting for an innovative market leader within the industry who are a major player in their field, miles ahead of the competition. This is an opportunity for a ...

Senior Software Engineer

Senior Software Engineer - (9 month contract)Salary: NegotiableShift: Days Mon-Fri Location: Remote - Can live anywhere We are recruiting for an innovative market leader within the industry who are a major player in their field, miles ahead of the competition. This is an opportunity for a ...

Senior Software Engineer

Senior Software EngineerLocation: CambridgeType: Full-Time on site Monday to Friday 37.5 hours a weekSalary: £40k-£60kWe’re looking for an experienced Senior Software Engineer to join a small, friendly team within the Cambridgeshire area.This is a great opportunity for som ...

Embedded Software Engineer

Job Title: Embedded Software Engineer Location: Cambridgeshire Salary: £50,000 to £60,000 Employment Type: Permanent Working Arrangements: Onsite working Role overview This position sits within a hands‑on engineering team developing embedded software for new and existing products. The ...

Software Engineer C++

Software EngineerLocation: Dorset (Hybrid working 3 days on site 2 from home)Competetive market salarySC Clearance required - All candidates must hold or be eligible to gain SC Clearance before starting the role Purpose of job Application of a software engineering approach ...

Senior Software Engineer

Senior Software EngineerBroad Oak Based£68.55 an hour Umbrella Inside IR3512 Month Contract initially.This is a great opportunity to work within one of the UK's leading Defence organisations based In Broad Oak. Typical duties include (but are not limited to): - Desi ...

Senior Software Engineer

Senior Software Engineer x 2Portsmouth£68.55 Inside IR3512 month contractAbout the RoleWe are seeking 2 highly skilled and motivated Senior Software Engineers to join a growing engineering team. This is an opportunity to work on mission-critical systems that support nation ...

Graduate Software Engineer

Graduate Software Engineer (2026 Graduate) Cheltenham £28,000 + Training + Progression + PensionAn excellent opportunity awaits a 2026 graduate pursuing a career in software engineering. This role offers exposure to varied projects, strong mentorship, and the chance to grow within an establishe ...

Senior Software Engineer

Senior Software Engineer - (9 month contract)Salary: NegotiableShift: Days Mon-Fri Location: Remote - Can live anywhere We are recruiting for an innovative market leader within the industry who are a major player in their field, miles ahead of the competition. This is an opportunity for a ...

Software Engineer (RTOS)

Software Engineer (RTOS)£50,000 - £55,000 + Progression + Training + 36.5 Hours a week + 33 Days Holiday + Flexitime + Hybrid + Company Benefits + Early Finish on Fridays + R&D Fordingbridge Are you a Software Engineer with RTOS experience looking for a truly R&D focused role, w ...

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    Software Engineer Pythonjava Jobs in United Kingdom Job Search Guide, Trends and Insights