1 to 25 of 49 Principal Engineer Jobs in London

Principal AI Engineer – AI, LLM, Python, CI/CD, SaaS/PaaS, Prompt Engineering, Agentic Workflows, Platform Systems, Remote (UK) Excellent Base Salary + Benefits This is a fantastic Principal AI Engineer opportunity to work with a leading technology services organisation, to build and scale intelligent … that delivers adaptive and impactful personalised experiences. The Principal AI Engineer is a remote working role, based in the UK. As a Principal AI Engineer, you will own and drive the development of the core AI system, building and scaling real-time, adaptive experiences. The Principal ...

Principal AI Engineer – AI, LLM, Python, CI/CD, SaaS/PaaS, Prompt Engineering, Agentic Workflows, Platform Systems, Remote (UK) Excellent Base Salary + Benefits This is a fantastic Principal AI Engineer opportunity to work with a leading technology services organisation, to build and scale intelligent … that delivers adaptive and impactful personalised experiences. The Principal AI Engineer is a remote working role, based in the UK. As a Principal AI Engineer, you will own and drive the development of the core AI system, building and scaling real-time, adaptive experiences. The Principal ...

PRINCIPAL DEVOPS ENGINEER- SC CLEARED PRINCIPAL DEVOPS ENGINEER- Permanent opportunity for a Principal DevOps Engineer with SC Clearance. - Salary up to £110,000 DOE - Hybrid opportunity with London based offices - To apply, please call Laura Jackson on , or email with an up-to-date … CV. WHO ARE WE We're hiring for DevOps Engineers at principal level to join a top consultancy delivering cutting-edge solutions for industry-leading Public Sector and Defence clients. You'll have the opportunity to work across multiple high-impact, innovative and mission-critical projects, shaping solutions that ...

PRINCIPAL DEVOPS ENGINEER- SC CLEARED PRINCIPAL DEVOPS ENGINEER - Permanent opportunity for a Principal DevOps Engineer with SC Clearance. - Salary up to £110,000 DOE - Hybrid opportunity with London based offices - To apply, please call Laura Jackson on 02038540120, or email laura.jackson@searchability.com with … date CV. WHO ARE WE? We’re hiring for DevOps Engineers at principal level to join a top consultancy delivering cutting-edge solutions for industry-leading Public Sector and Defence clients. You’ll have the opportunity to work across multiple high-impact, innovative and mission-critical projects, shaping solutions ...

Principal Engineer - Series A Scale Up - Up to £270,000 I'm currently looking for a Principal Engineer to join a high-growth, YC-backed AI startup based in London. It's a hands-on IC role focused primarily on scalable backend systems and genuinely … fixing hard systems problems that unlocked scale – Have real hands-on Python experience If this sounds like a fit, please get in touch. Principal Engineer - Series A Scale ...

Principal Engineer 📍 London (Hybrid – 2 days in office) We’re partnering with a leading UK consumer platform used by millions every day, currently looking for a Principal Engineer to shape the future of their search and discovery capabilities. This is a high-impact, cross-team role ...

Principal AI Engineer Up to £110,000 + Bonus Hybrid | London We’re partnered with a global leader in loyalty and customer engagement, looking for a Principal AI Engineer to join their London team. This role will include delivering customer centric solutions and scale production-grade … closely with the Head of AI Labs, you’ll lead the delivery of advanced AI systems that deliver real business impact. Responsibilities as a Principal AI Engineer: Lead end‐to‐end delivery of scalable, resilient AI/ML pipelines aligned to business goals. Build and deploy advanced ...

elevating expectations around Market Abuse monitoring and robust Record Keeping controls, this is a critical and high-profile hire. We are seeking an exceptional Principal Engineer to play a central technical leadership role within their Surveillance Technology team. This is an opportunity to influence strategy, shape engineering standards … critical technology landscape. The Opportunity Communication Surveillance and mobile capture capabilities now sit at the forefront of internal and external regulatory enquiries. As the Principal Engineer, you will act as the technical authority for a major Communications Surveillance Technology programmeleading architectural decisions, engineering best practice, and the design ...

Principal DevOps Engineer £80,000 - £105,000 per annum GBP Performance Bonus, Private Healthcare, 25 days holiday + more! Hybrid WORKING Location: Central London, Greater London - United Kingdom Type: Permanent Role : Principal DevOps Engineer (GCP) Location : London or Bristol Salary : £80,000 - £105,000 per annum … Package : Performance related bonus, Generous pension private healthcare 25 days holiday + bank holidays. Role Overview A market-leading consultancy is seeking three Principal Cloud DevOps Engineers with deep GCP expertise for their Digital Data team. Based ideally in Bristol (London also considered), this role focuses on delivering ingenious ...

Principal Data Engineer Salary: £110,000 + Benefits Own the rebuild of a modern data platform from the ground up. Were working with a business in the middle of a high-impact data transformationmoving away from legacy constraints towards a scalable, cloud-first architecture. Theyre looking … Principal Data Engineer to take a leading role in that journey. This isnt a role where you inherit a polished environment. Its an opportunity to shape, modernise, and influence from refactoring legacy pipelines to building best-in-class data products using tools like Databricks, Azure, and GCP. Youll ...

Principal DevOps Engineer £80,000 - £105,000 per annum GBP Performance Bonus, Private Healthcare, 25 days holiday + more! Hybrid WORKING Location: Central London, Greater London - United Kingdom Type: Permanent Role : Principal DevOps Engineer (GCP) Location : London or Bristol Salary : £80,000 - £105,000 per annum ...

looking for a Principal Network Engineer to join a high-profile Government Digital function. In this role, you will act as the Technical Design Authority (TDA) for a national-scale digital infrastructure, providing strategic leadership for one of the most complex network estates in the UK. … Principal Engineer, you won't just be managing technology; you will be managing the technical roadmap. You will bridge the gap between high-level policy requirements and low-level engineering execution, ensuring a secure-by-design, resilient, and automated network environment. Key Responsibilities Technical Design Authority: Lead ...

Role : Founding/Principal Engineer (1st tech hire) Salary range: up to 100k + 2% equity Location : Central London (x1 day per week onsite) We're working with an early stage AI automation startup, VC backed and have paying customers! First engineering hire working directly with founders Take ...

Principal Software Engineer – AI & Innovation Recruiting a Principal Software Engineer with a proven track record of delivering innovative, AI driven solutions and the curiosity to explore beyond traditional technology boundaries. Within the newly createdAI & Innovation team, you will shape the future of the organisation's products ...

Principal Java Engineer London – Hybrid (1 day per week onsite) Are you a senior/lead hands-on Engineer who thrives in event-driven, asynchronous environments? Do you enjoy building low-latency, high-throughput distributed systems where correctness, resilience, and performance really matter? This is an opportunity ...

Principal Security Engineer – SIEM & Detection Engineering Location: Fully Remote Salary: £120,000 plus benefits Type: Full-time Industry: Managed Security Services/Cybersecurity Consulting The Role A growing security services provider is seeking an experienced Senior Security Engineer to join a distributed, remote-first team. This role ...

Principal Platform Engineer, Observability £150,000–170,000 + bonus Join a high-performance trading platform and take ownership of their Observability and SRE evolution. You’ll work at scale, shaping data ingestion and monitoring pipelines that handle huge real-time trading flows. What you’ll work with ...

Principal Software Engineer - AI & Innovation Recruiting a Principal Software Engineer with a proven track record of delivering innovative, AI driven solutions and the curiosity to explore beyond traditional technology boundaries. Within the newly createdAI & Innovation team, you will shape the future of the organisation's products ...

Principal AI Engineer Hybrid Working on Client Site £100,000 to £130,000 plus bonus and benefits This is a standout opportunity to shape and deliver cutting‐edge digital solutions that drive real operational impact. You will work directly with clients, embedding AI, advanced analytics, and digital tools ...

PRINCIPAL CYBERSECURITY ENGINEER SC Cleared - UK Only - (Sponsorship is unavailable) you must hold SC Clearance.Provide expert advice on the defences against cyber threats, data breaches, and emerging risks. This includes offering guidance on the selection, design, justification, implementation, and operational management of cybersecurity strategies, technologies, and standards. Contribute ...

Principal Data Engineer Salary: £110,000 + Benefits Own the rebuild of a modern data platform from the ground up. Were working with a business in the middle of a high-impact data transformationmoving away from legacy constraints towards a scalable, cloud-first architecture click apply for full ...

fabric of everyday healthcare through the lifetime - from birth to old age. Job Description About the role We’re looking for an experienced Principal Data Engineer with a proven track record of senior technical leadership across Genomics England’s data engineering capability. This is a senior individual contributor … role operating at Principal level, where you will set technical direction and influence data engineering strategy across complex, regulated, national scale clinical and research platforms. You will shape how we design, build and operate scalable, secure and highly reliable data platforms. This includes defining standards, patterns and data engineering ...

Role : Product Engineer Salary range: Senior: 90-120k | Staff: 120-140k | Principal: 140-160k Location : Central London (x3 days per week onsite - Tue/Wed/Thurs) Tech stack includes : Typescript, React, Material UI, NodeJS, Postgres, AWS (Serverless) Current team size : 35 Engineers … like Spotify, Monzo, and Wise on board. • Background of team includes ex. Tessian, Cazoo, Tractable, Primer & Freetrade, Bloomberg (to name a few) Senior Software Engineer 5+ years experience Staff Software Engineer 8–10+ years experience Principal Software Engineer 12–15+ years experience Essentials: Strong Full Stack ...

Platform Engineer - Great total compensation We are seeking a Platform Engineer (operating at Principal level) to serve as a cornerstone of a newly formed platform team. This isn’t a role for someone looking to maintain the status quo; this is a mandate to lead a comprehensive … building from the ground up and wants to own the architectural destiny of a world-class firm, this could be for you. What engineer are we looking for? Essential Experience: 15+ years of experience building and operating production infrastructure at scale, with demonstrable progression to principal or equivalent ...

Fully Remote - Principal DevOps Engineer - £125k w/bonus - Payment Processing This global payment processing company are building the next generation of capabilities that powers our merchant-first ecosystem. You will be joining a company which is looking to become a market leader and this ambition rings through ...