Average salary: £88,239 /yearly
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£75k - £85k per annum
...Principal Software Engineer Who we are? Verifile is an award-winning leading provider of CV verification and background screening services using innovative technology and methodology. We carry out background checks on candidates to enable our clients to make informed...SuggestedLong-term contract- £72k - £96k per annumEstimated...We are looking for a Principal Software Engineer (we call them Principal Software Craftspeople) who shares the same values of pragmatism, professionalism and transparency as us to join our team. You'd be utilising your expertise with clients, helping to shape Codurance, and...SuggestedLong-term contractHybrid workingRemote
- £73k - £97k per annumEstimated...Principal Software Engineer - Simple Machines Hybrid · Full-time · London, UK About Simple Machines Simple Machines is a leading independent boutique technology firm with a global footprint across London, Poland, Sydney and New Zealand. We operate at the intersection...SuggestedFull-timeHybrid workingRemote
£140k - £160k per annum
...Most engineering roles promise impact. Few offer the opportunity to solve genuinely novel technical problems while helping define an entirely new category of software. As an experienced engineer you want to work on challenges that are both intellectually demanding and commercially...SuggestedPermanentImmediate start- £91k - £118k per annumEstimated...through to deployment, delivering working software in shippable increments.Contribute to... ...the systems you build. Code Quality and Engineering PracticeWrite clean, testable, secure... ...participation in technical communities. Role: Principal Software EngineerLocation: Wilmslow /...SuggestedRemoteShift work
$108k - $209k per annum
...groundbreaking companies since 2000, including Moderna. The Role We are seeking an experienced, creative, and talented Principal / Senior Software Engineer. The ideal candidate will have a strong background in software and product development, with the ability to lead...Suggested- £85k - £113k per annumEstimated...stage, reinventing how they design, build, and operate AI powered software at scale with speed. Our Purpose: We're on a mission to... ...'s possible with AI in enterprise environments . Our Software Engineers don't just implement solutions—they discover new patterns of working...SuggestedHybrid workingOn-siteFlexible hours
- ...2,200 global colleagues. We are now looking for a visionary Principal Engineer to help define the next generation of our platform. Why... ...influencing technical direction across squads A passion for software craftsmanship, clean architecture, and scalable design A...SuggestedHybrid workingFlexible hours
- £101k - £132k per annumEstimated...Principal Software Engineer – (Golang, Auth & Identity) We've partnered exclusively with a scaling infrastructure company that's fundamentally transforming how digital and physical components interact in the age of AI. Their core mission is to empower teams to build and...SuggestedPermanent
£90k - £110k per annum
...they're doing? A lot of the time the answer to these questions is no. We have an opportunity, however, for you to grow and lead an Engineering team for a silicon valley start up in the gaming world. Started by some iconic names in the industry who personally have pedigree...SuggestedRemote jobPermanentNight shift£100k - £120k per annum
...illnesses through cutting-edge research. To drive forward this groundbreaking research initiative, this company is seeking at Principal Software Engineer. In this role, you will not only lead a product squad and promote best practices within the team, but also serve as the...SuggestedPermanentHybrid workingOn-site£92.82k - £116.12k per annum
...Principal Engineer Location : Waterloo, London, England, UK | Hybrid (1 day per week in office) Who We Are At 8th Light, we bring... ...stage startups to the world's largest companies. We take on hard software challenges and turn them into durable results. We build...SuggestedLong-term contractTemporaryHybrid workingOn-siteShift work1 day/week- £122k - £159k per annumEstimated...Staff Engineer / Principal Engineer / Lead Engineer - Full Stack UK Remote, moving to Hybrid : On-site one day per week (cadence depending... ...and marketing space. We’re seeking a Staff level full stack Software Engineer / Software Developer to join our expanding teams that...SuggestedHybrid workingRemote
£54k - £70k per annum
...external market. Exceptions above the standard range are managed through governance controls to protect internal equity. Principal Software Engineer – Test Environments (GCAP) Your Impact Can you develop Test Environments for a complex aerospace programme, from...SuggestedPermanentFull-timePart-timeHybrid workingFlexible hours- £90k - £117k per annumEstimated...what they're doing! Job Description Summary The Infrastructure Modernization business unit is seeking a highly experienced Principal Software Engineer to join our engineering organization and provide deep technical leadership across our COBOL development ecosystem and our...SuggestedLong-term contractFull-timeHybrid workingImmediate start
- £74k - £98k per annumEstimated...on our best-in-class platform. Our Winning Culture is the engine that drives our teams of innovators. We champion diversity of... ...next - together! We are seeking a versatile and highly skilled Principal Software Engineer who can work seamlessly across our frontend and...
£70k - £75k per annum
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...Full-timeFlexible hours£60k - £90k per annum
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...Permanent$188k - $257.5k per annum
...autonomous research platform. It supports autonomous AI systems that reason over complex biological problems. We are seeking a Principal Software Engineer to own the underlying agentic platform: the durable orchestration layer on which long-running, multi-agent, multi-model...£100k - £120k per annum
...offering expert guidance aligned with enterprise architecture and engineering best practices. This role strikes the perfect balance between... ...like AWS, Terraform, and Python, just to name a few! As a Principal Engineer, you'll be the driving force behind the strategic direction...Permanent£100k - £120k per annum
...This industry leader are seeking an exceptional Principal Engineer to join their team. You will be accountable for ensuring the robust technical... ...valuable asset to the team, and you will act as a conduit to Software Engineering managers to ensure consistent performance...Permanent£65k per annum
...Job Title: Senior/Principal Software Engineer Job Location: Rochester, Kent – Onsite Salary: Up to £65,000 depending on experience Who we are: Join BAE Systems and you’ll be part of something bigger. As a valued member of our global colleague network, you’ll...£90k per annum
...record designing and delivering scalable software architectures Cloud experience across... ...distributed systems Experience mentoring engineers and providing technical leadership... ...transformation programme, we are seeking a Principal Software Engineer to help define our technical...Long-term contractFull-timeHybrid workingOn-siteSearchability Ltd
Liverpool11 hours ago- ...people – Team AALTO. Together, we can Unlock Stratospace. About The Role We’re looking for an experienced, hands-on Principal Software Engineer to take a senior technical role within a multidisciplinary team developing safety-critical aircraft software. This is an...PermanentFull-timeTemporaryHybrid workingOn-siteFlexible hours
£105k - £120k per annum
...Create meaningful change by leveraging your experience of software and team leadership. This is your opportunity to shape the future... ...—and you could be at the forefront of that mission. As a Principal Engineer, you will play a pivotal role in driving this innovative vision...Permanent£100k - £120k per annum
...of their scaling – hands on technically engineers who have made the jump to architecture,... ...best practices and providing high-level software architecture, but also being the voice of... ...technical debt low, and liaising with other Principals to align delivery and assurance....PermanentOn-site- £69k - £88k per annumEstimated...Principal Software Engineer Tadcaster, UK Purpose of the Role To lead the software delivery for complex bespoke automation projects. The Principal Software Engineer ensures that software is implemented to the highest standards, guides engineers through the development...Permanent
- £79k - £106k per annumEstimated...Hours: Monday-Friday, 9:00-17:30 Location: Fleet Working Pattern: Hybrid – twice a quarter We are looking for a Principal Software Engineer to provide technical leadership across our application estate. Following our multi-year re-platforming, our backend is now...Full-timeHybrid workingMonday to Friday
£75k - £85k per annum
...extensive experience designing and delivering high-quality software within modern engineering environments. We have strong commercial experience... ...day every other week. Reporting to the CTO, this hands-on Principal Software Engineer position gives us the opportunity to shape...Long-term contractHybrid workingData Idols
Milton Keynes, Buckinghamshire19 hours ago£54k - £70k per annum
...Exceptions above the standard range are managed through governance controls to protect internal equity. Your Impact As a Principal Software Engineer (DevSecOps), you will play a key role in accelerating the delivery of secure, high-quality software across Leonardo's...PermanentFull-timeHybrid working
