1 to 25 of 41 Principal Engineer Jobs in London

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 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 ...

Principal Engineer, Data Platforms Ready for a challenge? Then Just Eat Takeaway.com might be the place for you. We're a leading global online delivery platform, and our vision is to empower everyday convenience. Whether it's a Friday-night feast, a post-gym poke bowl, or grabbing … with hundreds of thousands of restaurant, grocery and convenience partners across the globe. About this role We are seeking a highly accomplished and visionary Principal Engineer to join our Data Platforms leadership team. You will serve as the top technical authority, reporting directly to the Director of Engineering ...

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 Software Engineer (£130,000 - £155,000 + bonus) About the Company: A publicly-traded fintech (NYSE-listed) operating one of the world's most-visited platforms for finance news and data, serving millions of users globally. The engineering team is responsible for infrastructure that handles high-volume … decisions that directly impact system performance and user experience. Requirements: 8+ years backend development experience with demonstrated technical leadership as Lead/Staff/Principal Engineer Deep expertise building and operating large-scale distributed systems in production Polyglot engineering background; strong proficiency in Node.js or Golang preferred Hands ...

Principal Software Engineer - FinTech - Hybrid (2-3 days a week in London) - Permanent - £120k Salary + 20% Bonus + Benefits A well-established UK financial services organisation is looking for a Principal Software Engineer to provide technical leadership across its engineering function during a period … environment. To apply, please send your CV to Nathan Laidlaw at Transparent Technology via the application process. Applications are reviewed on an ongoing basis. Principal Software Engineer, Lead Software Engineer, C# Developer, FinTech Engineering, Software Architecture, Cloud Architecture, AWS, Azure, Engineering Manager, Technical Leadership, Hybrid Software Jobs ...

Principal Software Engineer London - 4 days onsite £110k - £140k + Benefits We're hiring for one of the UK's fastest growing fintech scaleups, where reliability is a competitive advantage not a luxury. As a Principal Software Engineer you will be providing deep technical leadership alongside … being extremely hands on as part of a platform team. Principal Engineers will set technical directions, drive engineering standards and strategy while remaining deeply embedded in implementation and operational excellence. Responsibilities: Architect and implement highly available, multi-region infrastructure services Define resilience patterns across services (failover, circuit breaking, back ...

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 AI Engineer London, Hybrid (2 to 3 days per week on site)Salary between £115,000 - £140,000 depending on level This is an opportunity to take on a senior technical leadership position within a growing consultancy delivering complex, organisation wide AI solutions for major enterprise clients. … forums and dedicated annual budgets. Opportunities to lead major programmes and shape high impact AI delivery. How to Apply To express interest in this Principal AI Engineer role, please apply with your CV. ...

Principal Embedded Engineer About the Role An exciting start-up disrupting the consumer hardware industry is building a new category of AI-native devices. Firmware sits at the core of their products, and they are looking for a Principal Embedded Engineer to help build the embedded ...

Senior/Principal Software Engineer - C++, Python – Financial/Banking Candidates will have a minimum 8+ years C++ experience and excellent knowledge of Python –coming from a Financial/Banking background with knowledge of Equities, Futures & Options and Fixed Income and Exchange Connectivity. Job Overview You will work … amount of TPS to drive a highly efficient technology used by several markets around the world. To be successful in this role as a Principal Software Engineer – C++, you will be a proponent of agile methodology and modern software best practices. You can produce detailed technical work ...

Principal Firmware Engineer Location: Edinburgh, Bristol or Luton. Duration: 12 months Rate: £102ph UMBRELLA INSIDE IR35 Clearance: Must be eligible for SC We are looking for a Firmware Engineer at Senior or Principal Level to join our team in Edinburgh as an experienced Firmware/FPGA … Engineer, you will work with the support of experts in their field, using world-class facilities to deliver click apply for full job details ...

Principal Firmware Engineer Location: Edinburgh, Bristol or Luton. Duration: 12 months Rate: £102ph UMBRELLA INSIDE IR35 Clearance: Must be eligible for SC We are looking for a Firmware Engineer at Senior or Principal Level to join our team in Edinburgh as an experienced Firmware/FPGA … Engineer, you will work with the support of experts in their field, using world-class facilities to deliver Firmware for complex digital systems that meet challenging future customer requirements. You will use or develop team leading experience to support the delivery of work from several engineers. Your expertise will ...

Principal Firmware Engineer Location: Edinburgh, Bristol or Luton. Duration: 12 months Rate: £102ph UMBRELLA INSIDE IR35 Clearance: Must be eligible for SC We are looking for a Firmware Engineer at Senior or Principal Level to join our team in Edinburgh as an experienced Firmware/FPGA … Engineer, you will work with the support of experts in their field, using world-class facilities to deliver Firmware for complex digital systems that meet challenging future customer requirements. You will use or develop team leading experience to support the delivery of work from several engineers. Your expertise will ...

Principal Firmware Engineer Location: Edinburgh, Bristol or Luton. Duration: 12 months Rate: £102ph UMBRELLA INSIDE IR35 Clearance: Must be eligible for SC We are looking for a Firmware Engineer at Senior or Principal Level to join our team in Edinburgh as an experienced Firmware/FPGA … Engineer, you will work with the support of experts in their field, using world-class facilities to deliver Firmware for complex digital systems that meet challenging future customer requirements. You will use or develop team leading experience to support the delivery of work from several engineers. Your expertise will ...

Principal Firmware Engineer Location: Edinburgh, Bristol or Luton. Duration: 12 months Rate: £102ph UMBRELLA INSIDE IR35 Clearance: Must be eligible for SC We are looking for a Firmware Engineer at Senior or Principal Level to join our team in Edinburgh as an experienced Firmware/FPGA … Engineer, you will work with the support of experts in their field, using world-class facilities to deliver Firmware for complex digital systems that meet challenging future customer requirements. You will use or develop team leading experience to support the delivery of work from several engineers. Your expertise will ...

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 Up to £95,000 + BENEFITS LONDON (Hybrid) This is a standout opportunity to shape and scale an AI function from the ground up. You will drive the build of production-grade AI platforms, develop agentic automation for complex workflows, and deliver real business impact ...

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 … chance to work on complex technical challenges at scale, with direct impact on high-performance computing platforms. If you’re a skilled Python engineer with distributed systems expertise and want to join a world-class engineering environment, apply today for a confidential conversation. ...

Principal Software Engineer 💰 Up to £150,000 (Can be flexible dependant on the person) + Share Options 📍 London (On-site, supportive environment, flexible core hours, 5 days a week) 🏢 SAAS You’ll have real ownership from day one, with the freedom to shape your work, explore new ideas. ...

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 Data Engineer (MS Azure) Location | UK Remote Salary | Up to £68,000 home based nationally or up to £74,00 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 shape the technical direction of data engineering across a cloud based Enterprise Data Platform built on Microsoft Azure. This role suits someone with deep hands on data engineering experience who can also set standards, guide teams, and influence how data solutions are designed ...

Principal Software Engineer - FinTech - Hybrid (2-3 days a week in London) - Permanent - £120k Salary + 20% Bonus + Benefits A well-established UK financial services organisation is looking for a Principal Software Engineer to provide technical leadership across its engineering function during a period ...

Principal Developer - FX Trading Systems (Java/C++) Location: London or Nottingham (Hybrid) Rate: £490 per day (Outside IR35) Contract: Initial contract until end of year, with strong likelihood of extension as part of a multi-year programme. The Opportunity An established financial services organisation is seeking an experienced … Principal Developer to play a key role in the architecture and development of a high-performance FX Matching Venue. This is a senior technical leadership role within a large, multi-year programme focused on building next-generation trading infrastructure. The successful candidate will combine deep Java expertise, exposure ...

Front End-leaning Principal engineer who wants to combine your experience in web and AI to help unlock other engineering teams, this might be the role for you. This role will also be an opportunity to apply AI to real-world problems inside a healthy, profitable, and rapidly … time. You will help them stay ahead of the curve by solving both technical and sociotechnical problems. You would be joining a squad of Principal engineers with different expertise that serves as a centre of excellence to the 16+ engineering teams in the wider engineering function. Your domain? Everything ...