1 to 25 of 34 Principal Engineer Jobs in London

Principal Engineer - Active NPPV3, Active SC, 4GL Up to £640 per day (Inside IR35) London/Remote 12 Months My client is an instantly recognisable consultancy who require a Principal Engineer with Active NPPV3 and Active Security Clearance (SC), to help lead a business critical project … client. Key Requirements: Proven experience as a Principal Engineer Active NPPV3 and Active Security Clearance (SC) Proven experience leading multiple engineering teams on complex, large-scale projects Strong capability in stakeholder engagement across technical and non-technical groups Demonstrated leadership and mentoring skills, supporting the growth and development ...

Cyber Security Principal Engineer London About us Hoare Lea is a human-centric and planet-conscious engineering consultancy. We offer intelligent and sustainable solutions to complex design challenges for the built environment throughout the UK and further afield. We provide a wide range of engineering and consultancy services. … made up of various specialist teams, including Audio-visual, Cyber Security, BMS, ICT, and Digital Solutions. We are looking for a Specialist Cyber Security Principal Engineer. Wider Team The Wider Digital Solutions Team includes the following disciplines: ICT – Delivering the Digital Plumbing of ICT Infrastructure, including, Passive Infrastructure, Active ...

Principal Engineer - Full-Stack (Java & React) Up to £130,000 - London - 3 days per week onsite Harvey Nash have partnered with a global consultancy that helps major organisations modernise their technology, build scalable digital products, and tackle complex engineering challenges. They partner with brands across finance, retail, tech … scale-ups and highly regulated environments delivering high-impact solutions at speed. They're now hiring multiple Principal Engineer's, people who can lead architecture and delivery, advise clients at a senior level, stay hands-on with modern engineering, and shape the technical direction of major projects. What ...

Principal Data Engineer (GCP) Northwest – Hybrid Up to £100,000 VIQU are seeking a Principal Data Engineer to join a leading social enterprise that reinvests profits to create thriving, sustainable communities. Following a full transition to a 100% cloud-based data platform, this role will play … data engineering capability, with a strong focus on technical leadership, platform design and mentoring engineers within a Google Cloud environment. Key Responsibilities of the Principal Data Engineer: Provide technical leadership, coaching and mentoring to data engineers Define how data engineering projects are approached, delivered and governed Work closely ...

Principal Data Engineer (GCP) Northwest – Hybrid Up to £100,000 VIQU are seeking a Principal Data Engineer to join a leading social enterprise that reinvests profits to create thriving, sustainable communities. Following a full transition to a 100% cloud-based data platform, this role will play … data engineering capability, with a strong focus on technical leadership, platform design and mentoring engineers within a Google Cloud environment. Key Responsibilities of the Principal Data Engineer: Provide technical leadership, coaching and mentoring to data engineers Define how data engineering projects are approached, delivered and governed Work closely ...

Principal Platform Engineer | High-Growth Cybersecurity Scale-Up | Fully Remote (UK based) An opportunity to join a fast-growing, research-led cybersecurity scale-up trusted by global enterprise customers. Backed by strong funding and industry recognition, the business is scaling its platform globally and is looking … experienced Principal Platform Engineer to help lead that growth. As a Principal Platform Engineer, you’ll be a senior technical leader responsible for designing, scaling and optimising large-scale infrastructure. You’ll work closely with engineering leadership to ensure systems are resilient, observable and built ...

Principal Backend Engineer London (Occasional travel) Salary: £95,000 - £120,000 + RSU's + Benefits An established, global technology business within the hospitality-tech industry is seeking an accomplished Principal Software Engineer to lead the design and delivery of next-generation digital solutions. This … successful? Degree in Computer Science or equivalent hands-on experience. 7+ years' experience in backend software development, including several years in a senior or principal-level engineering role. Expertise in Python (or a similar backend language), with proven experience designing distributed systems, APIs, and microservices at scale. Deep understanding ...

Principal Support Engineer Location: Hybrid role with some on-site expectations We seek an engineer with recent high-integrity or safety-critical industry experience (defence, aerospace, or similar), or eligible for UK security clearance. Overview The Principal Support Engineer is a senior technical authority within ...

Principal Support Engineer Location: Hybrid role with some on-site expectations We seek an engineer with recent high-integrity or safety-critical industry experience (defence, aerospace, or similar), or eligible for UK security clearance. Overview The Principal Support Engineer is a senior technical authority within ...

Principal Android Engineer London (Hybrid) Up to £125,000 + Benefits We’re partnering with a leading UK financial services organisation as they look to bring in a Principal Android Engineer who will help shape the next generation of their mobile customer experience. This ...

Principal Python Engineer London | Permanent | Hybrid Ncounter is supporting a global investment firm in hiring a Python Developer to help design and evolve internal compute frameworks that underpin their trading and research platforms. This is a high-impact role, working at the intersection of software engineering and distributed … offers the chance to work on complex technical challenges at scale, with direct impact on high-performance computing platforms. If youre a skilled Python engineer with distributed systems expertise and want to join a world-class engineering environment, apply today for a confidential conversation. ...

Principal Engineer - Full-Stack (Java & React) Up to £130,000 - London - 3 days per week onsite Harvey Nash have partnered with a global consultancy that helps major organisations modernise their technology, build scalable digital products, and tackle complex engineering challenges click apply for full job details ...

Principal Python Engineer London Permanent Hybrid Ncounter is supporting a global investment firm in hiring a Python Developer to help design and evolve internal compute frameworks that underpin their trading and research platforms. This is a high-impact role, working at the intersection of software engineering and distributed ...

Principal Backend Engineer London (Occasional travel) Salary: £95,000 - £120,000 + RSU's + Benefits An established, global technology business within the hospitality-tech industry is seeking an accomplished Principal Software Engineer to lead the design and delivery of next-generation digital solutions click apply ...

Principal AWS Platform Engineer Location: Hybrid - 1 day a week onsite in London £90,000 - £120,000 + Bonus + Equity Tech: AWS/DevOps/Kubernetes/Terraform/IaC/Networking Overview We have an extremely exciting opportunity for a Principal position with … considering a career move, this is (almost certainly) the client for you. An established cloud and platform engineering consultancy, they are looking for Principal Platform Engineer in AWS; you’ll play a senior technical leadership role across complex cloud and platform engineering engagements. You’ll work closely with ...

Staff-Principal Full Stack Engineer | Hyper-Growth Fintech & Tech-for-Good | Typescript, React.js, Node.js, Next.js | £110k-170k + Equity | 3 days hybrid in London Opportunity: We're supporting a hyper-growth fintech client that is also tech-for-good. They’ve got big hiring plans for the year … currently looking for Staff & Principal Full Stack Engineers to join the team. You’ll be working with Typescript, React.js, Node.js, Next.js & more, working to shape the product direction and technical architecture as they continue to scale their business and expand into new markets. What You'll Be Doing ...

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 ...

their most complex problems. This is an opportunity to be a top technical voice, influence the system, and mentor a talented team. As a Principal Engineer , you will be a hands-on problem solver and a technical leader, influencing the team through expertise and example rather than line … Lead by Example: Run training sessions and facilitate discussions to elevate the entire engineering team. Who We're Looking For You are a seasoned engineer with 10-15 years of experience, a track record of building maintainable, scalable services and systems, and an upward trajectory in your career. ...

Principal AI Engineer AI Platform Team Location: Remote UK Compensation: £110 - 125k GBP Join a New AI Engineering Team A major digital organisation is launching a brand-new AI Engineering function to drive the enablement, adoption and scaling of Generative AI across the entire business. This team will … productivityfrom multi-agent workflows to LLM observability, MCP integrations and enterprise-grade GenAI systems. We are hiring both Senior/Lead Software Engineers and Principal Software Engineers to help shape the companys next-generation AI platform. What Youll Do (All Levels) Design, build and scale foundational GenAI platform capabilities ...

Principal AI Engineer | London | Excellent Salary +Benefits Join an award-winning, internationally recognised International B2B Consultancy organisation as a Principal AI Engineer , where you will play a pivotal role in shaping and delivering production grade generative AI capabilities. This is a senior; hands-on engineering role … Demonstrable experience owning technical design and delivery of complex AI, ML, or data-driven systems in production environments. Experience operating as a senior AI engineer or technical lead, balancing experimentation with production delivery and communicating effectively across teams. This is a progressive career opportunity to work at the cutting ...

Principal Data Engineer (GCP) Northwest - Hybrid Up to £100,000 VIQU are seeking a Principal Data Engineer to join a leading social enterprise that reinvests profits to create thriving, sustainable communities. Following a full transition to a 100% cloud-based data platform, this role will play ...

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 AI Platform Team Location: Remote UK Compensation: £110 - 125k GBP Join a New AI Engineering Team A major digital organisation is launching a brand-new AI Engineering function to drive the enablement, adoption and scaling of Generative AI across the entire business click apply ...

Principal Data Engineer (MS Azure) Location | UK Remote Salary | Up to £68,000 home based nationally or up to £75,000 home based for those living within the M25 dependent on experience plus a £600 per annum home working allowance Job Ref | J13058 We are looking … Principal Data Engineer to help shape the technical direction of data engineering across a cloud based Enterprise Data Platform built on Microsoft Azure. This role suits someone who combines strong hands on data engineering experience with the ability to guide teams, set standards, and influence how data solutions ...

Principal Embedded Software Engineer £75,000 - £90,000 + equity London (3 days per week in office) Overview TalentEdge Technology are looking to hire a Senior Embedded Engineering Leader to take ownership of the firmware stack for a next-generation, AI-enhanced connected music hardware platform. This role … hands-on and deeply technical, suited to an engineer who enjoys working across the full embedded stack, from low-level hardware bring-up through to cloud-connected features and who places a premium on robustness and real-world reliability. What You’ll Be Working On: Ownership and evolution ...