Principal Engineer - Support Engineering - Reliability-Centred Maintenance (RCM)Location: Barrow / Brough / FiltonContract: 12 months Headcount: 1 W...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>>.

Role: Principal Engineer Salary: £80,000–£95,000Location: ManchesterThis is a highly hands-on technical role, ideal for a strong Senior Engineer, Principal Engineer or existing Te...Read More>>.

Job DescriptionSafran is an international high-technology group operating in the fields of aerospace (propulsion, equipment and interiors), space and defense. Its mission is to contribute sustainably to a safer world, where air transpo...Read More>>.

Job DescriptionAbout Us\n\nTÜV Rheinland Solutions Rail Division, Derby forms part of TÜV Rheinland's wider technical and engineering capability serving the rail industry. Located in Derby, one of the UK's...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>>.

Overview In this role you will help build a scalable technology platform powering Autotrader and external automotive data sources. You will work with a cross-functional team to improve service availability and latency, ensuring sub-100 ms r...Read More>>.

Overview In this Principal Engineer role, you will provide high-impact technical leadership to guide architecture, DevOps, and cloud initiatives within a market-leading financial services organization. You will influence tech leads and seni...Read More>>.

Overview As Principal Engineer, you will lead technical teams and shape cutting-edge Java solutions that address real-world client needs. You’ll work within Solirius Reply’s Software Engineering Practice, collaborating closely with clie...Read More>>.

Overview As an OLE Principal Engineer in the Rail North unit, you will lead the technical design and delivery of overhead line projects, ensuring quality, cost, and schedule targets are met. You’ll act as a technical lead, coordinating wi...Read More>>.

Overview As Principal Engineer in Arcadis’ Geotechnical and Tunnelling team, you lead technically demanding tunnel projects across Europe and support tunnel asset management and new builds. You provide expert guidance to a multidisciplina...Read More>>.

Overview As Smartgrids Technical Lead, you guide technical delivery for distribution grid, private networks and renewable connections. You will shape multidisciplinary projects, mentor engineers, and uphold safety and quality targets. Your...Read More>>.

Energy Trading - Principal Software Engineer London About Indicium AI Indicium AI is trusted by the world's leading enterprises to deliver AI into production at scale. We are a global AI-native consultancy with pro...Read More>>.

A leading technology firm in Greater London is seeking a Principal Software Engineer to design, develop, and maintain critical infrastructure. This role involves ownership of team deliverables, collaboration with external partners, and mentoring engi...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 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>>.

慨正橡扯 in the United Kingdom is seeking a Principal Software Engineer to join their team in Manchester or Gloucester. This full-time, permanent position offers a hybrid working pattern, focusing on both technical tasks and team leadership....Read More>>.

Raytheon UK have a full time, permanent opportunity for a Principal Software Engineer to join our team on our Manchester or Gloucester sites within a hybrid working pattern. As Principal Software Engineer, you have the opportunity...Read More>>.

Job Description Salary Range: £54,000 – £70,000 Principal Software Engineer – Test Environments (GCAP) Your Impact Can you develop Test Environments for a complex aerospace programme, from strategy throug...Read More>>.

Nexus Mods in Exeter seeks a Principal Software Engineer to lead the App Engineering team behind Vortex, our flagship desktop mod manager used by millions. You’ll write production code, shape architecture, and mentor others while solving deep sy...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>>.

Harrington Starr in London is seeking a Principal Software Engineer to help shape the technical direction of a leading fintech. You will influence architecture, drive product roadmaps, and work with cross-functional teams in a hybrid London enviro...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>>.

Principal Software Engineer - SoC SW Productisation Job Overview Arm is redefining what is possible in cloud and data center computing. Our Neoverse platforms are helping power a new era of infrastructure - combining advanced...Read More>>.

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Let's begin! Principal Software Engineer-AI (14865) 12+ years of software engineering experience, including 5+ years leading engineering teams and delivering complex, large-scale, multi-team initiatives with measurable business i...Read More>>.

Principal Software Engineer (Platforms)Department: EngineeringEmployment Type: Permanent - Full TimeLocation: Bristol, UKReporting To: Stephen PopeDescriptionWe're building the UK's next generation...Read More>>.

Are you a current Elekta employee? Please click here to apply through our internal career site Find Jobs - Elekta. We don’t just build technology. We build hope for everyone dealing with Cancer. Elekta is shaping the standard of care, togethe...Read More>>.

Role: Principal Software Engineer Locations: Manchester (must be willing to travel to client sites throughout the UK on an ad hoc basis) Level: Manager Salary: Competitive salary and package (Depending on level of ex...Read More>>.

As we continue to accelerate the transformation of our technology and services, we are placing security and compliance at the heart of our engineering and platforms. This is an opportunity to lead at the intersection of infrastructure engineeri...Read More>>.

Raytheon UK is hiring a Principal Software Engineer in London. You will join a cross‑functional team delivering critical software for national security, using React/NextJS, TypeScript, Python, and Java across cloud environments.Role requi...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>>.

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>>.

Principal Software Engineer, £650/day (Outside IR35)Opportunity for a Principal Software Engineerto work for a retail company at thebeginning of a large digital transformation on an initial 6-month contract outside IR35.You’d re...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 to lead engineering workstreams across client projects, shaping delivery with a strong emphasis on quality and tangible outcomes.You will grow teams, mentor engineers, and collab...Read More>>.

Your ImpactAs a Principal Software Engineer (DevSecOps), you will play a key role in accelerating the delivery of secure, high-quality software across Leonardo's defence and security programmes. You will help shape and evolve our enter...Read More>>.

Principal Software Engineer (DevSecOps) - Salary Range: £54,000 - £70,000Your ImpactAs a Principal Software Engineer (DevSecOps), you will play a key role in accelerating the delivery of secure, high-quality software ac...Read More>>.

Principal Software Engineer (AI) Department: Tech - AI and Data Engineering Employment Type: Permanent - Full Time Location: Oxford, UK Description Please note that we are open to c...Read More>>.

Senior Principal Software Engineer Location: Leatherhead, UK Do you love solving complex technical challenges and inspiring others to deliver impactful solutions? This is a great job for someone who thrives in a dynamic e...Read More>>.

Job Title Senior Principal Software Engineer Reporting To Director, Eng. Sys. Def. & Integ. Work Schedule Hybrid – Tewkesbury, GBR About Moog Aircraft Group Moog Aircraft Group is a wor...Read More>>.

Senior/Principal Software EngineerApplication Deadline: 30 October 2026Department: Software EngineeringEmployment Type: PermanentLocation: Cheltenham (Hybrid)Compensation:...Read More>>.

Principal Software Engineer ABOUT THE ROLE We’re looking for a Principal Software Engineer to shape the technical direction of high-profile projects and lead the delivery of modern, scalable software. We u...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>>.

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>>.

Job Description SummaryPrincipal Engineers combine a high level of technical expertise with sound business acumen and a good understanding of engineering processes. They are part of a formal career path for technical personnel w...Read More>>.

Job Description SummaryPrincipal Engineers combine a high level of technical expertise with sound business acumen and a good understanding of engineering processes. They are part of a formal career path for technica...Read More>>.