Principal Engineer Advanced Manufacturing & DefenceUp to £70,000Location: Dorking, SurreyEngineering expertise meets customer engagement, inno...Read More>>.

Principal Engineer - Product SafetyBarrow based (Mainly remote 2-3 days per month on site) £74.68 per hour Umbrella inside IR35 12 Month Contract Currently recruiting for a Principal Engineer - Product Safety to work wi...Read More>>.

Overview In this role you design, build, and maintain advanced AI-enabled software products within JPMorganChase's CDAO Technology Group. You collaborate with engineers, data scientists, and product owners to deliver production-ready soluti...Read More>>.

A leading software development firm in Central London is looking for a Principal Software Engineer to own the technical roadmap and manage solutions architecture. The ideal candidate will have over 7 years of experience, particularly in full stack de...Read More>>.

A leading cloud and software engineering consultancy in Greater London seeks a Principal Software Engineer to provide senior technical leadership. You'll design and evolve scalable software systems, mentor engineers, and influence architectural stand...Read More>>.

A transformative Medical Device company in the UK is seeking a Principal Software Engineer. You will lead software testing and quality assurance activities, create effective testing strategies, and manage cybersecurity efforts. The ideal candidate ha...Read More>>.

Job Description Out of the successful launch of Chase in 2021, we're a new team, with a new mission. We're creating products that solve real world problems and put customers at the center – all in an environment that nurtures skills...Read More>>.

Lovable lets anyone and everyone build software with any language. From solopreneurs to Fortune 100 teams, millions of people use Lovable to transform raw ideas into real products - fast.We are at the forefront of a foundational shift in so...Read More>>.

Gemba Advantage is hiring Senior and Principal Engineers to shape secure, scalable software for critical public sector systems across the UK. You will influence technical direction, mentor teams, and work with customers to solve complex problems,...Read More>>.

Accenture Manchester is seeking a Principal Software Engineer with strong leadership to drive backend services and cloud-native solutions across UK client projects. The role requires hands-on engineering as well as client and team leadership, with...Read More>>.

Indicium AI is seeking an exceptional Principal Software Engineer to lead delivery in the Energy & Commodities Trading sector. This hands-on role combines engineering excellence with strategic leadership, mentoring teams and shaping client relatio...Read More>>.

Are you passionate about leading technical excellence while remaining hands‑on in building high-quality software? Do you enjoy influencing teams, shaping engineering practices, and delivering reliable, secure, and observable solutions in a co...Read More>>.

Are you passionate about leading technical excellence while remaining hands-on in building high-quality software? Do you enjoy influencing teams, shaping engineering practices, and delivering reliable, secure, and observable solutions in a coll...Read More>>.

easyJet is seeking a Principal Software Engineer to lead the eCommerce Platform Delivery team. You will guide multiple squads, drive architectural choices, and ensure secure, scalable, high-performance systems.A strong focus on data integri...Read More>>.

easyJet Airline Company PLC is seeking a Principal Software Engineer to lead the eCommerce Platform Delivery team. You will drive the technical vision, architecture, and delivery of high‑performance, secure systems across multiple squads....Read More>>.

Raytheon UK is seeking a Principal Software Engineer to join our established software development function in London. You will work in a cross-functional team, delivering and deploying critical software across multiple business areas.The ro...Read More>>.

Cytix is hiring a hands-on Technical Leader who will unblock the engineering team by resolving technical impasses, standardising practices, and owning cross-functional initiatives. You’ll prototype rapidly, ship MVPs, and turn ideas into polishe...Read More>>.

Principal Engineer Department: R&D Employment Type: Full Time Location: Plymouth Description The New Technologies Group identifies, evaluates and develops the emerging technologies that w...Read More>>.

As a Senior Principal Engineer within Siemens Energy's UK Grid Technologies business, your day will be centred on leading and guiding a team of engineers to deliver high-quality primary engineering designs for UK transmission operator substations,...Read More>>.

Principal Engineer - Forward DeployedUK-based | Edinburgh or London | Approximately 1 day per weekBuild the future, in the real world.We're looking for a Principal Engineer to join us in a Forward Deployed role - working dir...Read More>>.

End Date Wednesday 21 October 2026 Salary Range £84,624 - £126,936 We support flexible working - click here for more information on flexible working options Flexible Working Options Hybrid Working, Job ShareJob Description Summary...Read More>>.

A Snapshot of Your DayAs a Senior Principal Engineer within Siemens Energy's UK Grid Technologies business, your day will be centred on leading and guiding a team of engineers to deliver high-quality primary engineering designs for UK tra...Read More>>.

Role MissionTo support customer outcomes by making deep, hands-on Microsoft centric expertise available to customers and internal teams across hybrid identity, security and endpoint management. This includes Windows Active Directory and i...Read More>>.

xdesign is seeking a Principal Engineer for a Forward Deployed role in the UK, based in Edinburgh or London. You will work directly with client teams to turn emerging technology into production-ready outcomes, staying hands-on and close to the pro...Read More>>.

Role Description We are seeking a Principal Civil / Structural Engineer to join our growing rail design teams in London and Bristol. You will lead the delivery of complex rail infrastructure projects, including bridge replacement, station...Read More>>.

Select how often (in days) to receive an alert: Amey are a leading provider of full life-cycle engineering, operations and decarbonisation solutions, for transport infrastructure and complex facilities. Working for us, you’ll be de...Read More>>.

Cure Talent are delighted to be partnered with an emerging wearable medical technology company at a defining stage of its growth. We are seeking a Principal Software Engineer to provide technical leadership across the software function, working cl...Read More>>.

Salary Range: £54,000 - £70,000. Leonardo UK operates a grade-based salary framework with broad bands. The salary range shown reflects the approved grade band for this role, or a narrower hiring range published within that band, and is benchm...Read More>>.

Your ImpactAre you a software engineer with a working knowledge of Artificial Intelligence (AI) and Machine Learning (ML)? Are you interested in developing software for some of the most cutting-edge defence and aerospace projects in th...Read More>>.

Palo Alto Networks is seeking a senior software engineer to join the Cortex Platform team. You will work with DevOps, application teams, QA and leadership to design and drive backend and platform changes with real impact across the Cortex ecosyste...Read More>>.

Principal Software Engineer C++ (Cloud Video Framework) Contract: Full-Time, Permanent Working Location: Hybrid, 2 Days a week in the office, minimum Office Locations: UK/Hungary Join Our Team...Read More>>.

Principal Software Engineer C++ (Cloud Video Framework) Contract: Full-Time, Permanent Working Location: Hybrid, 2 Days a week in the office, minimum Office Locations: UK/Hungary Join Our Team...Read More>>.

Shape a faster, smarter, safer future. You might know us for the great work we do across our wide variety of projects. We're proud to say it's thanks to our people's diversity of thought, expertise and knowledge. And when you join us, you'll be a...Read More>>.

Job Title: Principal Engineer – Nuclear Safety Case Location: Barrow in Furness - Hybrid - flexible depending on business needs We offer a range of hybrid and flexible working arrangements - please speak to your recru...Read More>>.