1 to 25 of 575 Permanent Principal Engineer Jobs in London

Senior Principal Engineer, south west london Client: Burns Sheehan Location: south west london, United Kingdom Job Category: Other Virtual job fairs - EU work permit required: Yes Job Views: 1 Posted: 04.06.2025 Expiry Date: 19.07.2025 Job Description: Senior Principal Engineer – Own the Architectural Roadmap | B Corp Virtual … job fairs Are you a Senior Principal Engineer with a passion for defining technology roadmaps to deliver business growth? Are you a commercially minded technology leader capable of strategic decision-making while working at a ‘hands-on’ level with engineering teams? Senior Principal Engineer - A mission … driven global eCommerce company is undergoing a major technical transformation and is looking for a Senior Principal Engineer to help shape the future of its technology landscape. Operating in over 190 countries, this B-Corp certified organisation champions sustainability and circular economy principles, combining purpose with performance, making More ❯

Social network you want to login/join with: Senior Principal Engineer – Own the Architectural Roadmap | B Corp Are you a Senior Principal Engineer with a passion for defining technology roadmaps to deliver business growth? Are you a commercially minded technology leader capable of strategic decision … making while working at a ‘hands-on’ level with engineering teams? Senior Principal Engineer - A mission-driven global eCommerce company is undergoing a major technical transformation and is looking for a Senior Principal Engineer to help shape the future of its technology landscape. Operating in over … Consumer (D2C) growth and are looking for a hands-on, strategy-led architecture leader to join the Senior Leadership Team. The Role: As Senior Principal Engineer, you’ll define and own the architectural roadmap, shaping tech strategy across software, infrastructure, data, and security. Reporting directly to the CPTO More ❯

with your recruiter to learn more. Base pay range Direct message the job poster from Burns Sheehan Senior Director - Engineering at Burns Sheehan Senior Principal Engineer – Own the Architectural Roadmap | B Corp Are you a Senior Principal Engineer with a passion for defining technology roadmaps to … growth? Are you a commercially minded technology leader capable of strategic decision-making while working at a ‘hands-on’ level with engineering teams? Senior Principal Engineer - A mission-driven global eCommerce company is undergoing a major technical transformation and is looking for a Senior Principal Engineer … Consumer (D2C) growth and are looking for a hands-on, strategy-led architecture leader to join the Senior Leadership Team. The Role: As Senior Principal Engineer, you’ll define and own the architectural roadmap, shaping tech strategy across software, infrastructure, data, and security. Reporting directly to the CPTO More ❯

Senior Principal Mechanical Engineer (Public Health) Join to apply for the Senior Principal Mechanical Engineer (Public Health) role at Mott MacDonald Senior Principal Mechanical Engineer (Public Health) 1 week ago Be among the first 25 applicants Join to apply for the Senior Principal Mechanical Engineer (Public Health) role at Mott MacDonald Location/s: Birmingham, Croydon, Derby, Edinburgh, Leeds, London, Manchester, Sheffield, York Recruiter contact: Emma Cantley Mott MacDonald is a global engineering, management, and development consultancy with over 20,000 employees across more than 50 countries and 140+ offices. We … Oversee and evaluate the technical, quality, and engineering aspects of the work to ensure they align with the delivery schedule and requirements. The Senior Principal Mechanical Engineer (public health) role spans the entire project lifecycle, from concept design to construction, including specifying and designing public health services for More ❯

Principal Engineer - Lead Tech Strategy for a Profitable FinTech Scale-Up Hybrid (London) or remote within the UK Up to £140,000 per annum plus stock options Python Django FastAPI AWS Rust Postgres Event-Driven Architecture Machine Learning Principal Engineer - We're working with a leading … that's transforming how small businesses access finance. Backed by a strong track record and an ambitious mission, they're now looking for a Principal Engineer to lead the next phase of innovation within one of their most critical product areas. This is a strategic leadership role offering … a high-impact platform responsible for generating personalised credit offers - a core driver of the business's growth and customer experience. The Opportunity As Principal Engineer, you'll take ownership of the technical strategy and architecture for dynamic, data-driven systems that determine the financial products offered to More ❯

Senior Principal Mechanical Engineer (Public Health) Join to apply for the Senior Principal Mechanical Engineer (Public Health) role at Mott MacDonald Senior Principal Mechanical Engineer (Public Health) 1 week ago Be among the first 25 applicants Join to apply for the Senior Principal Mechanical Engineer (Public Health) role at Mott MacDonald Get AI-powered advice on this job and more exclusive features. Location/s: Birmingham, Croydon, Derby, Edinburgh, Leeds, London, Manchester, Sheffield, York Recruiter contact: Emma Cantley Mott MacDonald is a global engineering, management, and development consultancy with over … Oversee and evaluate the technical, quality, and engineering aspects of the work to ensure they align with the delivery schedule and requirements. The Senior Principal Mechanical Engineer (public health) role spans the entire project lifecycle, from concept design to construction, including specifying and designing public health services for More ❯

Principal Engineer (Palantir Foundry) – London – Salary Up To £120,000 per annum Are you a world-class technical leader ready to define the future of AI-driven engineering? A Palantir visionary with the experience, authority, and ambition to lead at the very highest level? Then Morela has the … ultimate opportunity for you. Morela are proud to be working with one of the UK’s leading Palantir consultancies, now searching for a Principal Engineer the pinnacle of technical leadership within their organisation. This is a rare and high impact role suited for a seasoned expert who combines … joining a consultancy that leads the charge in AI, data engineering, and digital innovation delivering mission critical solutions across public and private sectors. As Principal Engineer, you’ll sit at the core of their most ambitious projects, shaping technical standards, guiding architectural vision, and serving as the ultimate More ❯

Join to apply for the Principal/Senior Engineer – Structural (Shock & Dynamics) role at BAE Systems 1 day ago Be among the first 25 applicants Join to apply for the Principal/Senior Engineer – Structural (Shock & Dynamics) role at BAE Systems Get AI-powered advice on … this job and more exclusive features. Job Title: Principal/Senior Engineer – Structural (Shock & Dynamics) Location: Barrow in Furness. We offer a range of hybrid and flexible working arrangements – please speak to your recruiter about the options for this particular role. Salary: Up to £57,500 What You … technical arguments clearly and simply Previous experience in checking and approving work Desirable Knowledge of Abaqus FEA and Simcenter or willingness to learn Chartered Engineer (or on route to becoming Chartered) Experienced in generating toolset/calculation templates Benefits As well as a competitive pension scheme, BAE Systems also More ❯

Join to apply for the Salesforce Principal Engineer - Financial Services role at Accenture UK & Ireland 4 days ago Be among the first 25 applicants Join to apply for the Salesforce Principal Engineer - Financial Services role at Accenture UK & Ireland Role Title: Principal Engineer - Salesforce … develop a wide range of new skills on the job. What we are looking for: We are looking for a highly skilled and experienced Principal Software Engineer specializing in Salesforce platform engineering. The ideal candidate will have a strong background in software engineering and a passion for mentoring … not mandatory. This role will provide the opportunity to shape our Salesforce practice and be a leader in applying modern engineering methods. As a Principal Engineer, you will : Lead the design and development of Salesforce solutions, ensuring they are scalable, secure, and aligned with industry best practices. Collaborate More ❯

Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 2 Posted: 31.05.2025 Expiry Date: 15.07.2025 col-wide Job Description: Principal Engineer/Architect (C# .Net SQL AWS) Remote to £80k Opportunity to progress your career in an impactful, Principal Engineer/… Architect role, at a tech company that provides a range of SaaS software solutions. As a Principal Engineer/Architect you will collaborate with Product Management and Agile software delivery tribes to define, document and communicate the technical architecture for new products and features with scalability and reliability … driven microservices You have advanced technical documentation skills You have excellent communication, presentation and collaboration skills What's in it for you: As a Principal Engineer/Architect you will earn a competitive package: Salary to £80k 25 days holiday Vitality Health Insurance 5% non-contributory pension Death More ❯

Principal Engineer London Hybrid £95,000-£110,000 + bonus + benefits We’re working with a rapidly growing tech for good company that is transforming how data, automation, and smart integrations shape the future of digital infrastructure. Their platform optimises real-time operations, connecting users with seamless … intelligent technology solutions. We are looking for Principal Engineer's with deep expertise in Kotlin or JVM to help scale and enhance their high performance systems. This is an opportunity to work with modern backend architecture, collaborating with top-tier engineers in a fast-moving, product-focused environment. … Responsibilities as a Principal Engineer: Contribute to the businesses technology strategy and architecture Contribute to the backend Kotlin infrastructure Ship resilient and well tested production code Collaborate with different teams to deliver value that aligns to business objectives Mentor and coach more junior members of the team Continuously More ❯

Principal Engineer London Hybrid £95,000-£110,000 + bonus + benefits We’re working with a rapidly growing tech for good company that is transforming how data, automation, and smart integrations shape the future of digital infrastructure. Their platform optimises real-time operations, connecting users with seamless … intelligent technology solutions. We are looking for Principal Engineer's with deep expertise in Kotlin or JVM to help scale and enhance their high performance systems. This is an opportunity to work with modern backend architecture, collaborating with top-tier engineers in a fast-moving, product-focused environment. … Responsibilities as a Principal Engineer: Contribute to the businesses technology strategy and architecture Contribute to the backend Kotlin infrastructure Ship resilient and well tested production code Collaborate with different teams to deliver value that aligns to business objectives Mentor and coach more junior members of the team Continuously More ❯

Principal Engineer London Hybrid £95,000-£110,000 + bonus + benefits We’re working with a rapidly growing tech for good company that is transforming how data, automation, and smart integrations shape the future of digital infrastructure. Their platform optimises real-time operations, connecting users with seamless … intelligent technology solutions. We are looking for Principal Engineer's with deep expertise in Kotlin or JVM to help scale and enhance their high performance systems. This is an opportunity to work with modern backend architecture, collaborating with top-tier engineers in a fast-moving, product-focused environment. … Responsibilities as a Principal Engineer: Contribute to the businesses technology strategy and architecture Contribute to the backend Kotlin infrastructure Ship resilient and well tested production code Collaborate with different teams to deliver value that aligns to business objectives Mentor and coach more junior members of the team Continuously More ❯

Principal Engineer London Hybrid £95,000-£110,000 + bonus + benefits We’re working with a rapidly growing tech for good company that is transforming how data, automation, and smart integrations shape the future of digital infrastructure. Their platform optimises real-time operations, connecting users with seamless … intelligent technology solutions. We are looking for Principal Engineer's with deep expertise in Kotlin or JVM to help scale and enhance their high performance systems. This is an opportunity to work with modern backend architecture, collaborating with top-tier engineers in a fast-moving, product-focused environment. … Responsibilities as a Principal Engineer: Contribute to the businesses technology strategy and architecture Contribute to the backend Kotlin infrastructure Ship resilient and well tested production code Collaborate with different teams to deliver value that aligns to business objectives Mentor and coach more junior members of the team Continuously More ❯

Principal Engineer London Hybrid £95,000-£110,000 + bonus + benefits We’re working with a rapidly growing tech for good company that is transforming how data, automation, and smart integrations shape the future of digital infrastructure. Their platform optimises real-time operations, connecting users with seamless … intelligent technology solutions. We are looking for Principal Engineer's with deep expertise in Kotlin or JVM to help scale and enhance their high performance systems. This is an opportunity to work with modern backend architecture, collaborating with top-tier engineers in a fast-moving, product-focused environment. … Responsibilities as a Principal Engineer: Contribute to the businesses technology strategy and architecture Contribute to the backend Kotlin infrastructure Ship resilient and well tested production code Collaborate with different teams to deliver value that aligns to business objectives Mentor and coach more junior members of the team Continuously More ❯

Principal Engineer – Build the Future of SME Finance 💻 Remote-first (UK-based) | London meetups | 🏗️ Hands-on Architecture | Team Leadership | Fintech for Good We’re working with a mission-driven fintech that’s solving a massive problem: small businesses — the backbone of the UK economy — are still underserved by … using real-time financial data. Already trusted by 80+ major banks and lenders, they're scaling fast — and now they’re looking for a Principal Engineer to shape the next stage of their platform and lead from the front. 💥 Why This Role is Great You’ll architect the … Terraform) Practices: TDD, CI/CD, clean architecture, pragmatic testing Bonus Points: Data engineering or machine learning experience 👀 What They’re Looking For A Principal Engineer, Tech Lead, or Software Architect with at least 2 years at this level You’ve built and scaled SaaS platforms — ideally in More ❯

Principal Engineer – Build the Future of SME Finance 💻 Remote-first (UK-based) | London meetups | 🏗️ Hands-on Architecture | Team Leadership | Fintech for Good We’re working with a mission-driven fintech that’s solving a massive problem: small businesses — the backbone of the UK economy — are still underserved by … using real-time financial data. Already trusted by 80+ major banks and lenders, they're scaling fast — and now they’re looking for a Principal Engineer to shape the next stage of their platform and lead from the front. 💥 Why This Role is Great You’ll architect the … Terraform) Practices: TDD, CI/CD, clean architecture, pragmatic testing Bonus Points: Data engineering or machine learning experience 👀 What They’re Looking For A Principal Engineer, Tech Lead, or Software Architect with at least 2 years at this level You’ve built and scaled SaaS platforms — ideally in More ❯

Principal Engineer – Build the Future of SME Finance Remote-first (UK-based) | London meetups | ️ Hands-on Architecture | Team Leadership | Fintech for Good We’re working with a mission-driven fintech that’s solving a massive problem: small businesses — the backbone of the UK economy — are still underserved by … using real-time financial data. Already trusted by 80+ major banks and lenders, they're scaling fast — and now they’re looking for a Principal Engineer to shape the next stage of their platform and lead from the front. Why This Role is Great You’ll architect the … Terraform) Practices: TDD, CI/CD, clean architecture, pragmatic testing Bonus Points: Data engineering or machine learning experience What They’re Looking For A Principal Engineer, Tech Lead, or Software Architect with at least 2 years at this level You’ve built and scaled SaaS platforms — ideally in More ❯

Principal Engineer – Build the Future of SME Finance 💻 Remote-first (UK-based) | London meetups | 🏗️ Hands-on Architecture | Team Leadership | Fintech for Good We’re working with a mission-driven fintech that’s solving a massive problem: small businesses — the backbone of the UK economy — are still underserved by … using real-time financial data. Already trusted by 80+ major banks and lenders, they're scaling fast — and now they’re looking for a Principal Engineer to shape the next stage of their platform and lead from the front. 💥 Why This Role is Great You’ll architect the … Terraform) Practices: TDD, CI/CD, clean architecture, pragmatic testing Bonus Points: Data engineering or machine learning experience 👀 What They’re Looking For A Principal Engineer, Tech Lead, or Software Architect with at least 2 years at this level You’ve built and scaled SaaS platforms — ideally in More ❯

Principal Engineer – Build the Future of SME Finance 💻 Remote-first (UK-based) | London meetups | 🏗️ Hands-on Architecture | Team Leadership | Fintech for Good We’re working with a mission-driven fintech that’s solving a massive problem: small businesses — the backbone of the UK economy — are still underserved by … using real-time financial data. Already trusted by 80+ major banks and lenders, they're scaling fast — and now they’re looking for a Principal Engineer to shape the next stage of their platform and lead from the front. 💥 Why This Role is Great You’ll architect the … Terraform) Practices: TDD, CI/CD, clean architecture, pragmatic testing Bonus Points: Data engineering or machine learning experience 👀 What They’re Looking For A Principal Engineer, Tech Lead, or Software Architect with at least 2 years at this level You’ve built and scaled SaaS platforms — ideally in More ❯

Join to apply for the Principal Systems Engineer (Tap Converter) role at Rail Delivery Group 6 days ago Be among the first 25 applicants Join to apply for the Principal Systems Engineer (Tap Converter) role at Rail Delivery Group Get AI-powered advice on this job … of Great British Railways (GBR), we are driving a new era of simpler, smarter, and more accessible ticketing, revolutionising how millions of people travel. Principal Systems Engineer Salary: £50,786 – £67,422 Contract: Permanent Location: London – Hybrid Annual Leave: 30 Days + Excellent Benefits Closing Date: 20th June … that improve ticketing systems, enhance customer experience, and ensure seamless integration across the rail industry. About The Role We’re looking for an experienced Principal Systems Engineer to join our dynamic DTS Engineering team, working on an exciting national initiative: the Tap Converter project. This Department for Transport More ❯

Principal Engineer London Hybrid £95,000-£110,000 + bonus + benefits We’re working with a rapidly growing tech for good company that is transforming how data, automation, and smart integrations shape the future of digital infrastructure. Their platform optimises real-time operations, connecting users with seamless … intelligent technology solutions. We are looking for Principal Engineer's with deep expertise in Kotlin or JVM to help scale and enhance their high performance systems. This is an opportunity to work with modern backend architecture, collaborating with top-tier engineers in a fast-moving, product-focused environment. … Responsibilities as a Principal Engineer: Contribute to the businesses technology strategy and architecture Contribute to the backend Kotlin infrastructure Ship resilient and well tested production code Collaborate with different teams to deliver value that aligns to business objectives Mentor and coach more junior members of the team Continuously More ❯

Principal Engineer – Build the Future of SME Finance Remote-first (UK-based) | London meetups | ️ Hands-on Architecture | Team Leadership | Fintech for Good We’re working with a mission-driven fintech that’s solving a massive problem: small businesses — the backbone of the UK economy — are still underserved by … using real-time financial data. Already trusted by 80+ major banks and lenders, they're scaling fast — and now they’re looking for a Principal Engineer to shape the next stage of their platform and lead from the front. Why This Role is Great You’ll architect the … Terraform) Practices: TDD, CI/CD, clean architecture, pragmatic testing Bonus Points: Data engineering or machine learning experience What They’re Looking For A Principal Engineer, Tech Lead, or Software Architect with at least 2 years at this level You’ve built and scaled SaaS platforms — ideally in More ❯

This leading developer of wireless communications technologies is urgently seeking a Principal Engineer 5G/6G RAN to be based at their R+D Centre in London. The Principal Engineer 5G/6G RAN will be involved in research and development of emerging 5G and 6G systems … relevant to 3GPP RAN wireless standards. Along with this the Principal Engineer 5G/6G RAN will be pivotal in driving next generation innovation and development addressing the challenges of future wireless systems development. The Principal Engineer 5G/6G RAN will also contribute to the More ❯

This leading developer of wireless communications technologies is urgently seeking a Principal Engineer 5G/6G RAN to be based at their R+D Centre in London. The Principal Engineer 5G/6G RAN will be involved in research and development of emerging 5G and 6G systems … relevant to 3GPP RAN wireless standards. Along with this the Principal Engineer 5G/6G RAN will be pivotal in driving next generation innovation and development addressing the challenges of future wireless systems development. The Principal Engineer 5G/6G RAN will also contribute to the More ❯