1 to 25 of 47 Principal Engineer Jobs in London

Principal Engineer — London | Mobile-First AI Scale-Up | Hands-On Role We’re supporting a high-growth, mobile-first technology company in London as they enter a new phase of scale. They are looking for a Principal Engineer who can combine deep technical capability with architectural ...

Title: Principal Engineer Location: London, UK Experience: 12+ Yrs Work Mode: Hybrid 3 days onsite Key Skills: AWS, Multiple programming languages We at Coforge seeking for a Principal Engineer with following skillset: Responsibilities: Design and implement enterprise-grade architectures Write production-quality code and deliver solutions ...

Title:Principal Engineer- CDN transition Job location: London Duration:6 Months Description: The Contract Principal Engineer - CDN Migration is the lead technical authority for the CDN workstream within an active programme to migrate from an existing CDN platform to a target CDN. The role is responsible ...

Principal Azure DevOps Engineer Permanent Location: UK - Remote Salary: £80,000 - £90,000 (+ benefits) Skills: Azure, DevOps, CI/CD, Terraform, PowerShell, SC Clearance We are looking to recruit an SC Cleared Principal Azure DevOps Engineer for a leading technology consultancy. You will be responsible … delivering high-quality, innovative solutions to clients across multiple sectors. The Principal Engineer drive the design, implementation, and optimization of cloud infrastructure and DevOps practices. This is a senior, hands-on role combining technical delivery, architecture, and thought leadership, ensuring secure, scalable, and resilient platforms that enable rapid ...

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 | Payments | Credit Card Product 💵 £120,000-150,000 Base + Bonus + Package 📍 Remote (UK based) or Hybrid working - Fantastic Central London Offices 💻 Profitable FinTech scale-up 🔨 0-1 Product build in the Credit Card space ⭐⭐⭐⭐⭐ Exceptional Glassdoor We're partnered with a profitable … practices. They're one of the UK’s standout tech employers in the fintech space. Project Overview & Role Purpose The team are hiring a Principal (or Staff) Software Engineer to drive and support the delivery of a new credit card product. Long term, the goal is to build ...

Principal Software Engineer Location: Remote first (Occasional travel to London) Salary: £95,000 - £120,000 + equity + 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 … 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 Software Engineer | Front End (React) | London, Hybrid Our client is a forward-thinking global firm redefining the future of finance through technology. They are looking for a Principal React Engineer who can set the technical direction for the front-end, champion best practices, and still … without ego. Curious, always learning, and keen to improve both the codebase and the way the team works. If you are interested in this Principal Software Engineering Role , please respond to this advert directly with your updated CV or email it to chantelle.smith@sourcegroupinternational.com ...

Principal Azure Engineer Location: London Start Date: 5th January Clearance Required: Active SC and NPPV3 We are seeking an experienced Principal Azure Engineer to join a high-profile central government project. This is a fantastic opportunity for a seasoned professional with strong technical expertise and proven ...

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 Security Engineer – Cloud Platform (Remote, UK) 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 deploy sophisticated systems by providing scalable, secure … robust infrastructure solutions for development, deployment, and scaling. They're looking for a Principal Security Engineer to lead the architecture and development of its next-generation cloud security platform. This is a high-impact, hands-on role where you’ll design and build a full Identity & Access Management ...

Title: Principal DevOps Engineer - AWS/Terraform/Kubernetes Type: Permanent Location: Fully remote (must be UK-based) Salary: £90-110K DOE Our client are growing their team and are looking for a Principal DevOps Engineer to contribute to the development and maintenance … cloud infrastructure, help with the definition of best practices for infrastructure management and to support development processes with CI/CD. As a Principal DevOps Engineer, you will play a crucial role in ensuring the reliability, scalability, and security of their cloud-based systems. Responsibilities: Design, build ...

Opportunity - Principal Telecoms Engineer - Initial 12 Month Outside IR35 Contract Our Client has a requirement for a Principal Telecom Engineer , who will be required to work on a contract basis in Woking. Location : Central London, SW1V 1PX Contract Length: Initially 12 Months IR35 Status: Outside IR35 … detail and offer sound advice to both clients and candidates. We actively recruit at all levels and this is a superb opportunity for a Principal Telecom Engineer looking for new employment. As part of putting people first, we strive to be an equal opportunities employer ...

seeking a Principal Engineer/Engineering Manager to lead one of the core engineering teams within Planning Agent, our AI-powered advertising planning platform used daily by Omnicom agency teams. You will help shape and grow a product with AI at its core, using agents to power ...

Principal Azure DevOps Engineer Permanent Location: UK - Remote Salary: £80,000 - £90,000 (+ benefits) Skills: Azure, DevOps, CI/CD, Terraform, PowerShell, SC Clearance We are looking to recruit an SC Cleared Principal Azure DevOps Engineer for a leading technology consultancy click apply for full ...

international organisation in the aviation sector is seeking a Principal Engineer to lead the design and delivery of enterprise-scale engineering solutions supporting AI-driven platforms. This is a senior, hands-on role embedded within a major airline environment, with responsibility for setting technical direction and ensuring solutions … Responsibilities Design and own architecture across all layers of the technology stack. Write production-grade code and deliver enterprise-ready solutions at pace. Engineer scalable, modular platforms capable of deployment across multiple operating companies. Collaborate closely with product, data engineering, data science, analytics, and frontend teams to deliver cohesive ...

international organisation in the aviation sector is seeking a Principal Engineer to lead the design and delivery of enterprise-scale engineering solutions supporting AI-driven platforms. This is a senior, hands-on role embedded within a major airline environment, with responsibility for setting technical direction and ensuring solutions … Responsibilities Design and own architecture across all layers of the technology stack. Write production-grade code and deliver enterprise-ready solutions at pace. Engineer scalable, modular platforms capable of deployment across multiple operating companies. Collaborate closely with product, data engineering, data science, analytics, and frontend teams to deliver cohesive ...

international organisation in the aviation sector is seeking a Principal Engineer to lead the design and delivery of enterprise-scale engineering solutions supporting AI-driven platforms. This is a senior, hands-on role embedded within a major airline environment, with responsibility for setting technical direction and ensuring solutions … Responsibilities Design and own architecture across all layers of the technology stack. Write production-grade code and deliver enterprise-ready solutions at pace. Engineer scalable, modular platforms capable of deployment across multiple operating companies. Collaborate closely with product, data engineering, data science, analytics, and frontend teams to deliver cohesive ...

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 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 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 (Director) Software Engineer - Python, Typescript, React, AWS - Elite funded Fintech **this role will come with a competitive salary, benefits and equity as my client is looking to 10x in the next 5 years** A leading fintech scale-up is hiring a Principal (Director) Software Engineer … leading venture capital and impact investors, the organisation is entering a new phase of growth, with engineering at the core. The Opportunity As a Principal (Director) Software Engineer, you will play a key role in designing and delivering scalable, reliable systems that handle significant volumes of real-time ...

Principal Engineers provide technical leadership at Amazon.com. They help establish technical standards and drive Amazons overall technical architecture, engineering practices, and engineering methodologies. They work on our hardest problems, building high quality, architecturally sound systems that are aligned with our business needs. They think globally when building systems, ensuring … Amazon.com builds high performing, scalable systems that fit well together. Principal Engineers are pragmatic visionaries who can translate business needs into workable technology solutions. Their expertise is deep and broad. They are hands on, producing both detailed technical work and high-level architectural designs. Basic Experience Knowledge of object ...

Principal Engineers provide technical leadership at They help establish technical standards and drive Amazons overall technical architecture, engineering practices, and engineering methodologies. They work on our hardest problems, building high quality, architecturally sound systems that are aligned with our business needs click apply for full job details ...

Principal Engineer | Defence Technology Start-Up Hybrid | 4 days on-site Join a cutting-edge defence start-up led by former Palantir founders, building mission-critical systems that directly support national security. Backed by a world-class technical team, this is an opportunity to take a senior role ...