1 to 25 of 31 Principal Software Engineer Jobs in the UK

Principal Software Engineer Location: Portsmouth with a hybrid working ( 3 days in the office) Salary: From £60K - £80K, depending on experience, many benefits including pension, 25 days holiday and life insurance. Our client is a growing software and data science consultancy, The team is dedicated … delivering high-quality, end-to-end software and data science services. This role offers the opportunity to work across multiple sectors, including defence, energy, transport, and health, and contribute to the development of cutting-edge solutions. Our client is looking for Principal C++ Software Engineers with ...

Principal Software Engineer - Python Title: Principal Software Engineer Python Department: Procode IT Location: Hybrid Commutable distance of either Chandlers Ford or Oxford Salary: Circa £65k + Discretionary Bonus Scheme Sponsorship: Unfortunately, we are unable to offer sponsorship for this role Ifyou'rea Principal Software Engineer, who enjoys architecting complex systems, owning technical decisions, and crafting Python - powered solutions that make a real impact to customers, then this might be the role for you! Step into a role where your technical vision truly shapes the future! About ...

Principal Software Engineer Salary: Negotiable plus benefits, pension (7% contribution), 25 days holiday & life insurance We are looking for principal software engineers with diverse experience. We are a small but rapidly growing consultancy, owned highly experienced and recognised practitioners in UK defence consultancy. … looking for candidates with a mix of technical expertise and interpersonal skills, able to work independently and in small teams. The Role: As a Principal Software Engineer, you will play a major role in leading and developing software engineering in the Software Modelling and Simulation ...

Principal Software Engineer - Python Title: Principal Software Engineer Python Department: Procode IT Location: Hybrid Commutable distance of either Chandlers Ford or Oxford Salary: Circa £65k + Discretionary Bonus Scheme Sponsorship: Unfortunately, we are unable to offer sponsorship for this role Ifyou'rea Principal Software Engineer, who enjoys architecting complex systems, owning technical decisions, and click apply for full job details ...

Principal Software Engineer - Python Title: Principal Software Engineer Python Please make an application promptly if you are a good match for this role due to high levels of interest. Department: Procode IT Location: Hybrid Commutable distance of either Chandlers Ford or Oxford Salary: Circa … +DiscretionaryBonus Scheme Sponsorship: Unfortunately, we are unable to offer sponsorship for this role Ifyou'rea Principal Software Engineer, who enjoys architecting complex xkybehq systems, owning technical decisions, and Please click on the apply button to read the full job description ...

Step into a world where innovation meets impact. This Principal Software Engineer role offers you the chance to be a part of cutting-edge defence technology, driving advancements that redefine security and protect lives. Working in a dynamic and collaborative environment, you'll lead projects that make … scheme. If you're ready to shape the future of defence systems by leading the design, architecture, and delivery of secure embedded and application software within advanced cyber and defence programmes. You’ll work across the full software lifecycle—from requirements and system design through to implementation, testing ...

Principal Software Engineer (£100k + 10% bonus) Great opportunity for a Principal Software Engineer to work for a retail company near Manchester going through a digital transformation. This role is onsite 3-4 days per week so we're looking for people who enjoy … person collaboration in a fast-paced and challenging work environment. You'd report to the Head of Engineering and would work alongside other Principal Software Engineers responsible for collaborating with Architects and Product Owners to lead the re-platforming of existing systems to an event-driven MACH architecture. ...

Principal Software Engineer – Go | Distributed Systems £160,000-£200,000 + 15% bonus + Equity Go/Python/Rust - Kubernetes, AWS, Distributed Systems Hybrid (Central London, 3 days a week in office) Broad/Complex Technical Environment Well-funded Series B deep-tech company … partnered with a well-funded deep-tech scale‐up transforming the life sciences industry by Accelerating scientific discovery. They blend hardware, software and AI as a platform to increase efficiencies in an industry where time can truly save lives. Responsibilities They’re hiring a Principal Software Engineer ...

client, a global leader in radiation detection and identification within the technology sector, is currently seeking a Principal Software Engineer to join their team in the UK. This permanent, full-time position offers the exciting opportunity to work on cutting-edge projects, driving both innovation and excellence … within the software engineering department. Key Responsibilities: Work on the most complex and mission-critical projects Collaborate with stakeholders, including customers, to develop and maintain software Assist the software engineering manager in requirements management, estimation, and planning Focus on high-level architecture and long-term technical strategy ...

Senior/Principal Software Engineer Location: Kent (Onsite) 4 days per week. Salary: Up to £65,000 depending on experience Due to the nature of the work, applicants are required to obtain security clearance and must be a sole British national. Copello is working with a leading … engineering, and technology organisation is seeking Senior/Principal Software Engineer to join its growing team developing advanced, safety-critical systems. This is an opportunity to work on highly complex products within a regulated environment, contributing to the design, development and delivery of cutting-edge software ...

Principal Software Engineer - C++ and Rust - is required by highly successful and fast growing technology consultancy. They build data, AI and software solutions for clients in a broad range of industries, working on demanding problems in challenging environments. The role They are looking for a Principal Software Engineer to lead delivery on demanding software projects. This role is focused on C++ and Rust development. This is a hands-on role for an experienced engineer who wants to stay close to the code. You'll lead a team ...

Title: Principal Software Engineer Role: Distributed Systems & Communications Location: Cambridgeshire Salary: £60-£80k Platform Recruitment has partnered with an innovative technology company developing mission-critical systems used by organisations worldwide. They're looking for a Principal Software Engineer to help shape the technical direction ...

Title: Principal Software Engineer Role: Distributed Systems & Communications Location: Cambridgeshire Salary: £60-£80k Platform Recruitment has partnered with an innovative technology company developing mission-critical systems used by organisations worldwide. They're looking for a Principal Software Engineer to help shape the technical direction ...

Title: Principal Software Engineer Role: Distributed Systems & Communications Location: Cambridgeshire Salary: £60-£80k Platform Recruitment has partnered with an innovative technology company developing mission-critical systems used by organisations worldwide. They're looking for a Principal Software Engineer to help shape the technical direction ...

Principal Software Engineer/Developer (Python AWS) London/WFH to £150k Join a high-growth, VC-backed Fintech building a market-leading analytics platform used by Hedge Funds, Asset Managers and global financial institutions. As a Principal Software Engineer, you will play … pivotal role in shaping the technical direction of a large scale cloud-native platform, xkybehq combining hands-on software develop Are you the right applicant for this opportunity Find out by reading through the role overview below. Please click on the apply button to read the full job description ...

Principal Software Engineer Salary: Negotiableplus benefits, pension (7% contribution), 25 days holiday & life insurance We are looking for principal software engineers with diverse experience. We are a small but rapidly growing consultancy, owned highly experienced and recognised practitioners in UK defence consultancy. We are looking ...

Principal Software Engineer Salary: Negotiable plus benefits, pension (7% contribution), 25 days holiday & life insurance We are looking for principal software engineers with diverse experience. We are a small but rapidly growing consultancy, owned highly experienced and recognised practitioners in UK defence consultancy click apply ...

Principal Embedded Software Engineer Winfrith, Dorset (hybrid working, 3 days per week onsite) – Permanent vacancy We are looking for a Principal Embedded Software Engineer to work for our maritime defence client TKMS Atlas across a range of new projects, such as underwater vehicle control … systems and sonar equipment. You will be hired as an experienced engineer to play a senior technical hands-on role in the team, with the potential to take on team leadership responsibility should you wish to. This role combines hands-on expertise with the potential for strategic leadership, establishing ...

Title: Principal Embedded Software Engineer Location: North West & Yorkshire Offices Salary: Up to £75k (depending on experience) We re partnering with an established technology engineering organisation seeking a Principal Embedded Software Engineer to lead software architecture, technical delivery, and development strategy across advanced … embedded systems. This is a senior, hands-on role combining system architecture, embedded software development, and project ownership. A key aspect of this position is applying electrical power systems knowledge and protection function theory within embedded control environments. If you re a senior embedded engineer looking to influence ...

Title: Principal Embedded Software Engineer Location: North West & Yorkshire Offices Salary: Up to £75k (depending on experience) We’re partnering with an established technology engineering organisation seeking a Principal Embedded Software Engineer to lead software architecture, technical delivery, and development strategy across advanced … embedded systems. This is a senior, hands-on role combining system architecture, embedded software development, and project ownership. A key aspect of this position is applying electrical power systems knowledge and protection function theory within embedded control environments. If you’re a senior embedded engineer looking to influence ...

Lead Software Engineer £75,000 to £85,000 + Private Healthcare + Enhanced Pension Southampton (Hybrid, 4 days per week in the office) Are you a senior software engineer looking to take end to end ownership of a complex, real-time distributed platform that integrates directly … with mission-critical hardware used in security and critical infrastructure environments? This is a principal-level technical role within a specialist engineering business developing a real-world platform that ingests, processes and surfaces live telemetry from radiation detection systems deployed in highly sensitive locations. The software underpins real ...

Principal Embedded Software Engineer | £70-85k + Bonus | Cambridge This is an opportunity to join a market-leading communications technology company developing mission-critical comms systems. You will take technical ownership of embedded application software development across Linux and Android platforms, helping deliver the next … generation of technology that underpins secure communications. Responsibilities: Designing, developing and testing embedded application software across Embedded Linux and Android platforms. Leading software component activities including architecture, task planning, technical reviews and integration testing. Developing new application features whilst maintaining and enhancing existing software components. Translating complex ...

Principal Software Engineer Portsmouth | Hybrid, 3 days onsite £75,000-£85,000 plus bonus and benefits Want to work on groundbreaking projects within the defence industry? Are you a hands-on technical leader with strong C++ and Unreal Engine expertise and want to work at the forefront … complex, performance-critical software delivery within defence? The role combines advanced engineering with genuine technical authority, shaping how simulation-driven and autonomy-focused systems are designed, built and evolved. The position sits within a fast-growing software and data science consultancy delivering end-to-end solutions ...

Shape how safety-critical software is verified at the highest level. We're partnering with a growing, highly respected engineering SME specialising in safety-critical embedded systems . They are looking for a Principal Software Engineer to play a key role in developing and assuring high … integrity embedded software, including a safety-certified real-time operating system. This is a hands-on software engineering role within the verification team, combining technical leadership with deep involvement in verification, validation, and certification activities. The Role You'll operate as a senior technical authority while remaining close ...

Software Test Engineer - SC Cleared - Luton Our client is looking for an experienced Software Test Engineer to support the delivery of current and future programmes. This role provides an opportunity to work on the latest technology within a mature development environment. Your Role Create test cases ...