Average salary: £88,239 /yearly
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£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...SuggestedPermanent$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...Suggested- £55k - £71k per annumEstimated...Job Description: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 enterprise DevSecOps capability...SuggestedPermanentFull-timeHybrid working
£60k - £90k per annum
...Our client's specialist engineering team is expanding within a secure technology environment and is looking to speak with Software Engineers and Platform Engineers. What we're looking for: Strong experience with Java, Python and/or JavaScript/TypeScript Cloud exposure...SuggestedPermanent- £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
£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£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....SuggestedPermanentOn-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- £65k - £87k per annumEstimated...Job Description 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 experience) Accenture is a leading...SuggestedFull-time
£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...SuggestedPermanent- £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...SuggestedFull-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...SuggestedLong-term contractFull-timeHybrid workingData Idols
Milton Keynes, Buckinghamshire14 days ago- £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...SuggestedPermanent
- £93k - £117k per annumEstimated...Skills and Competencies ~12+ years of software engineering experience, including 5+ years leading engineering teams and delivering complex,... ...advances Moody's leadership in applied artificial intelligence. As Principal Engineer, you will define the technical vision, guide...SuggestedLong-term contract
£95k per annum
...Requirements: We require candidates to be willing and eligible to hold SC and eDV clearance. We are looking for experience in core software engineering. Experience with JavaScript frameworks such as React and NextJS, TypeScript, Python, or Java. Experience with REST API...PermanentFull-timeHybrid workingRemoteFlexible hoursHackajob Ltd
Gloucester, Gloucestershire17 hours ago£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...PermanentHybrid workingOn-site£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...Remote jobPermanentNight shift$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...£60k - £80k per annum
Company: PLATFORM RECRUITMENT Job Type: Permanent, Full Time Salary: £60000 - £80000/annumPermanentFull-time£68k per annum
...technical initiatives Experience setting engineering standards Experience proactively... ...solutions. Our engineering teams deliver bespoke software and AI solutions, and we believe in building solid software. We are hiring a Principal Engineer to help shape technical strategy...Full-timeHybrid workingOn-siteClearSky Logic
Edinburgh17 hours ago£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...PermanentImmediate start- £66k - £88k per annumEstimated...The Role We’re looking for experienced Principal Software Engineers who enjoy solving complex technical challenges, building scalable systems, and helping engineering teams deliver high-quality software in production environments. This role sits at the intersection...Full-timeSummer workHybrid workingOn-siteFlexible hours
- £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...Hybrid 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 this... ...technical direction across squads A passion for software craftsmanship, clean architecture, and scalable design A mentoring...Hybrid workingFlexible hours
- £77k - £100k per annumEstimated...tactical and strategic settings. If you enjoy solving hard engineering problems where security, reliability, and real-world outcomes matter... ...The role You'll provide technical leadership in a software engineering team (typically 5 to 20 engineers) delivering multiple...Permanent
£50k - £90k per annum
...Cypress) Responsibilities: Design and build software using industry best practices Collaborate with stakeholders and other engineers Contribute to the completion of... ...offer a full-time, permanent opportunity for a Principal Software Engineer to join our experienced...Full-timeHybrid workingRaytheon
Manchester17 hours ago£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- £57k - £77k per annumEstimated...best practice. Working as part of the Engineering team our ideal team member will have... ...Specifies and designs large or complex software applications, components and modules.... .... We employ approximately 3,000 people, principally in the United Kingdom and Ireland. Close...Full-timePart-timeHybrid working
£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...
