Oxfordshire, Milton Hill, United Kingdom Hybrid / WFH Options
Mars Recruitment
PrincipalSoftwareEngineer | C++ | Python | Linux Oxfordshire | Hybrid £65,000pa plus benefits: Do you enjoy technically leading and mentoring a team of Software Engineers utilising C++ & Python on Linux, passing on your knowledge and experience to help nurture and develop future Engineers? If so, this PrincipalSoftwareEngineer role will be perfect for … you. Our client has seen rapid growth over the last few years, and to help develop their talented team of Software Engineers, they now seek a PrincipalSoftwareEngineer who can technically lead, mentor and develop during an exciting period of innovation. On a day-to-day basis you will develop and support software applications … drivers for a range of products. You will be technically responsible for ensuring projects meet internal and external customer requirements and completing concept designs through to production. The successful PrincipalSoftwareEngineer will need the following qualification, experience and skills: A degree in a Software Engineering, Mathematics or Science/Materials subject Experience in ARM based More ❯
Step into a world where innovation meets impact. This exciting opportunity as a PrincipalSoftwareEngineer offers you the chance to be part of a forward-thinking company that is revolutionising defence technology. Contributing to cutting-edge solutions, you will play a pivotal role in delivering advanced systems that redefine security and trust on a global scale. … and the chance to work on meaningful projects that truly make a difference. What You Will Do: - Lead the architecture, design, development, documentation, and testing of embedded and application software for multiple concurrent research, development, and production programmes. - Apply object-oriented design techniques to enable code re-use and seamless integration with testing frameworks. - Review system design artefacts and … derive software requirements and architecture to meet high-level system needs. - Design and maintain software using modelling tools, ensuring accurate code generation where required. - Contribute to the Software Community of Practice, proposing improvements to tools, processes, and techniques to enhance efficiency and innovation. - Mentor and coach junior engineers, sharing knowledge and expertise to foster growth and development. More ❯
Step into a world where innovation meets impact. This exciting opportunity as a PrincipalSoftwareEngineer offers you the chance to be part of a forward-thinking company that is revolutionising defence technology. Contributing to cutting-edge solutions, you will play a pivotal role in delivering advanced systems that redefine security and trust on a global scale. … and the chance to work on meaningful projects that truly make a difference. What You Will Do: - Lead the architecture, design, development, documentation, and testing of embedded and application software for multiple concurrent research, development, and production programmes. - Apply object-oriented design techniques to enable code re-use and seamless integration with testing frameworks. - Review system design artefacts and … derive software requirements and architecture to meet high-level system needs. - Design and maintain software using modelling tools, ensuring accurate code generation where required. - Contribute to the Software Community of Practice, proposing improvements to tools, processes, and techniques to enhance efficiency and innovation. - Mentor and coach junior engineers, sharing knowledge and expertise to foster growth and development. More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Computer Futures
PrincipalSoftwareEngineer - Lead the Future of UK GovTech Innovation Up to £100,000 + Premium Benefits Package Remote-First | Just 1 Day Onsite Every 2 Weeks SC Clearable | British Citizens Only Where Technology Meets Purpose Are you ready to lead engineering efforts that directly impact national security, public services, and digital transformation across the UK? This … is more than just a job-it's a chance to build technology that matters , in a space where innovation meets mission-critical delivery. We're looking for a PrincipalSoftwareEngineer to join a high-performing team at the forefront of UK GovTech. You'll architect secure, scalable platforms, mentor elite engineers, and shape technical strategy … across programmes that serve millions of citizens and protect national interests. Your Mission As a PrincipalEngineer, you'll be a technical leader, strategic thinker, and hands-on problem solver. You'll work closely with delivery teams, stakeholders, and government partners to ensure solutions are robust, secure, and future-proof. What You'll Be Doing: Architect cloud-native More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Computer Futures
PrincipalSoftwareEngineer - Shape the Future of UK GovTech Up to £95,000 + Premium Benefits Remote-First | Just 1 Day Onsite Every 2 Weeks SC Clearable | British Citizens Only Lead Innovation. Drive Transformation. Make an Impact. Ready to take the reins on projects that power national security and digital transformation This is your chance to lead … at the intersection of technology and purpose . As a PrincipalSoftwareEngineer , you'll architect cloud-native platforms , mentor elite engineering teams, and influence technical strategy across mission-critical government programmes . Your work won't just be code-it will shape the future of UK GovTech . Your Role in Action Architect secure, scalable, resilient More ❯
St. Albans, Hertfordshire, South East, United Kingdom
Method-Resourcing
PrincipalSoftwareEngineer £95,000 + Bonus + Benefits | Hybrid (UK) Method is partnering with a leading infrastructure technology company that's rebuilding its software architecture from the ground up. The mission is to create connected, secure, and scalable systems that enable smarter infrastructure, and deliver trusted connectivity across multiple sectors. They're looking for a … PrincipalSoftwareEngineer, a hands-on technical authority who will set engineering standards, solve complex challenges, and shape the next generation of event-driven microservices powering their global platform. The role You'll work at the top of the engineering track, designing and delivering high-performance, distributed systems while guiding others through implementation and problem-solving. This … and production reliability. What you'll bring Proven experience building and running distributed systems at scale. Deep fluency in modern programming languages and frameworks. Experience delivering secure, high-availability software into production. Strong understanding of architecture, design patterns, and microservice principles. Ability to balance hands-on coding with architectural oversight and mentorship. Curiosity to explore new tools, paradigms, and More ❯
Our client, a leader in the defence and security sector, is seeking a PrincipalSoftwareEngineer to join their team in Berkshire. This is a permanent role where you will provide technical leadership within their Cyber Unit. Key Responsibilities: Architect, specify requirements, design, implement, and test embedded and/or application software to ensure high quality … and timely deliverables. Apply object-oriented design techniques for code re-use and integration with testing frameworks. Review system design artefacts to derive software requirements and architecture. Use modelling tools to design, document, review, and maintain the software design. Develop knowledge of best practice development processes and standards. Estimate time and effort for software activities and deliver … according to these estimates. Contribute to the Software Community of Practice to support quality and innovation. Generate and review technical proposals, and mentor less experienced engineers. Job Requirements: Willing and able to obtain and maintain SC and DV security clearance. Qualifications/Skills Required: Degree in engineering, mathematics or science-based subject, or equivalent experience. Significant experience in one More ❯
Our client, a leader in the defence and security sector, is seeking a PrincipalSoftwareEngineer to join their team in Berkshire. This is a permanent role where you will provide technical leadership within their Cyber Unit. Key Responsibilities: Architect, specify requirements, design, implement, and test embedded and/or application software to ensure high quality … and timely deliverables. Apply object-oriented design techniques for code re-use and integration with testing frameworks. Review system design artefacts to derive software requirements and architecture. Use modelling tools to design, document, review, and maintain the software design. Develop knowledge of best practice development processes and standards. Estimate time and effort for software activities and deliver … according to these estimates. Contribute to the Software Community of Practice to support quality and innovation. Generate and review technical proposals, and mentor less experienced engineers. Job Requirements: Willing and able to obtain and maintain SC and DV security clearance. Qualifications/Skills Required: Degree in engineering, mathematics or science-based subject, or equivalent experience. Significant experience in one More ❯
Bicester, Oxfordshire, South East, United Kingdom Hybrid / WFH Options
Gerrell & Hard
Lead SoftwareEngineer IoT & Full-Stack Location: Hybrid/Bicester Type: Permanent Salary: Competitive, market-based TUAL Technology is an innovative, VC-backed start-up based in Bicester, developing PowerUp a high-power EV charging solution designed for grid-constrained sites. By integrating battery storage, smart energy management, and ultra-fast DC charging, TUAL delivers seamless electrification where … traditional grid capacity falls short. Working with enterprise customers across Europe, TUAL is transforming the productivity and profitability of electric commercial vehicle fleets through a portfolio of intelligent, software-defined, cloud and IoT-enabled charging solutions. The Role Were looking for a hands-on Lead SoftwareEngineer to own the design and delivery of our IoT and … cloud software platform. Youll connect our ultra-fast chargers, manage data and remote control functions, and ensure security and scalability across our systems. Youll work directly with the VP Product and VP Power Electronics, shaping architecture, integrations and performance turning ideas into real, working solutions. ________________________________________ What Youll Do Build IoT and cloud software for charger connectivity and monitoring More ❯
Vicinity Technologies Limited, a dynamic leader in the UK's 5G and AI revolution, is seeking talented Senior/Principal Wireless Software Engineers to join our team of innovators. As a key contributor, you will play an integral role in developing cutting-edge 5G, 6G and Non-terrestrial Network (NTN) solutions which are transforming the way we connect … and communicate. Job Responsibilities Participate in design and develop 5G/6G TN/NTN and AI signal processing algorithms for communications systems, physical layer software and protocol stack software. Participate in 5G radio equipment and user terminals physical layer solution verification, end-to-end testing, network deployment and field trials. Interface with hardware, software and system engineers … growing company. Benefit from a competitive salary, performance-based bonuses, and a comprehensive benefits package. About Vicinity Founded in 2023, Vicinity develops and deploys advanced base stations, NTN solutions, software-defined terminal solutions and private networks, with global trials already underway. We collaborate with silicon providers, operators, integrators and top research institutes, pushing past 5G into what is next. More ❯
D lab, to the factory floor, to the conference room, every one of us experiments, creates, builds, improves and solves. We have the talent, diverse perspectives, and guts to engineer the extraordinary. More ❯
