1 to 25 of 94 Principal Engineer Jobs in Central London

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 ❯

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 ❯

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 ❯

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 | Hybrid | React | Node | AWS | TypeScript | £120k La Fosse has partnered with a global leader in customer loyalty and travel services. We're looking for Principal Engineers with a strong background in full-stack JavaScript development to join their growing team. As a Principal Engineer … two-stage virtual interview If this sounds like the next step in your engineering journey, we'd love to hear from you. Apply now! Principal Engineer | Hybrid | React | Node | AWS | TypeScript | £120k More ❯

Principal Engineer | Hybrid | React | Node | AWS | TypeScript | £120k La Fosse has partnered with a global leader in customer loyalty and travel services. We're looking for Principal Engineers with a strong background in full-stack JavaScript development to join their growing team. As a Principal Engineer … two-stage virtual interview If this sounds like the next step in your engineering journey, we'd love to hear from you. Apply now! Principal Engineer | Hybrid | React | Node | AWS | TypeScript | £120k More ❯

Principal Software Engineer (TypeScript) Salary: £120,000 - £140,000 plus equity Location: 3 days p/week in London Principal Engineer - would you like the opportunity to work for a start-up who recently raised series A funding? You will be joining a technology team who … a passion for innovation, collaboration, and providing the best service to their customers as well as embracing new ideas, technologies and approaches. As a Principal Engineer, you will be joining the organisation at one of the most exciting times. You will be working alongside a team of experienced … fast-paced start-up. Focus on building highly reliable and well architected products. Computer Science degree would be a bonus. If you're a Principal Engineer, looking to work for one of the fastest growing start-ups, please apply. More ❯

Principal Data Engineer £95,000 - £105,000 + Bonus London (other UK locations available) A top-tier global consultancy is in search of a Data Engineer (Principal Consultant) to drive the delivery of cloud-native data platforms across complex, high-impact environments. If you’re passionate … want to work in an organisation that values creativity, autonomy, and technical excellence — this could be the one. What you’ll do as a Principal Data Engineer: • Lead the architecture and build of modern data platforms using AWS-native tools (S3, Redshift, Lambda, Glue, DynamoDB, Matillion, etc.). … are secure, scalable, and production-ready. • Be an advocate of clean code, DevOps, and hands-on engineering leadership. Skills you’ll bring as a Principal Data Engineer: • Extensive experience with AWS data services (Redshift, Glue, S3, etc.). • Hands-on with ETL/ELT using Matillion or similar More ❯

Principal Data Engineer £95,000 - £105,000 + Bonus London (other UK locations available) A top-tier global consultancy is in search of a Data Engineer (Principal Consultant) to drive the delivery of cloud-native data platforms across complex, high-impact environments. If you’re passionate … want to work in an organisation that values creativity, autonomy, and technical excellence — this could be the one. What you’ll do as a Principal Data Engineer: • Lead the architecture and build of modern data platforms using AWS-native tools (S3, Redshift, Lambda, Glue, DynamoDB, Matillion, etc.). … are secure, scalable, and production-ready. • Be an advocate of clean code, DevOps, and hands-on engineering leadership. Skills you’ll bring as a Principal Data Engineer: • Extensive experience with AWS data services (Redshift, Glue, S3, etc.). • Hands-on with ETL/ELT using Matillion or similar More ❯

Role: Principal Engineer 🥞 Stack: Java, Kotlin, AWS 📍 Location: London, Hybrid (2-4x Month) 💰 Salary: Up to £120k-£140k Xcede are partnering with a FinTech Scale up who are building out a brand new SaaS platform integrating directly with major banking intuitions. 🚀 What will you do as a … Principal Engineer? You will be leading architectural discussions and acting as the technical authority within the engineering function Collaborate with Product Managers and Engineers to optimise solutions Engage with clients to both gather requirements and understand problems that need to be solved Setting best practices and elevating capabilities … Typescript and AWS) Background building and designing large scale engineering platforms Comfortable working with both technical and non-technical stakeholders 3+ years as a Principal/Staff Engineer or Architect Dealt with clients in a commercial environment (consultancy, saas etc...) Preference for having worked within SaaS or FinTech More ❯

Role: Principal Engineer 🥞 Stack: Java, Kotlin, AWS 📍 Location: London, Hybrid (2-4x Month) 💰 Salary: Up to £120k-£140k Xcede are partnering with a FinTech Scale up who are building out a brand new SaaS platform integrating directly with major banking intuitions. 🚀 What will you do as a … Principal Engineer? You will be leading architectural discussions and acting as the technical authority within the engineering function Collaborate with Product Managers and Engineers to optimise solutions Engage with clients to both gather requirements and understand problems that need to be solved Setting best practices and elevating capabilities … Typescript and AWS) Background building and designing large scale engineering platforms Comfortable working with both technical and non-technical stakeholders 3+ years as a Principal/Staff Engineer or Architect Dealt with clients in a commercial environment (consultancy, saas etc...) Preference for having worked within SaaS or FinTech More ❯

Principal Software Engineer – Cards & Credit (Python, Java, Clojure, AWS) 💰 Up to £135,000 + bonus (15-22%) + annual equity 🖥️ Python, Distributed Systems, High-Scale Architecture 📍 London, hybrid working (2 days/week) 🤝 Leading business lending platform I'm partnered with one of the UK’s most successful … new product line which has become the company’s highest-growth area, with its own dedicated leadership and roadmap. They’re now hiring a Principal Engineer to become the technical lead across two core engineering teams working in the card and credit space. This is a critical hands … their London office (no fixed days) Be part of a high-ownership role with real scope to shape the success of a growing product Principal Software Engineer – Cards & Credit (Python, Java, Clojure, AWS More ❯

Principal Software Engineer – Cards & Credit (Python, Java, Clojure, AWS) 💰 Up to £135,000 + bonus (15-22%) + annual equity 🖥️ Python, Distributed Systems, High-Scale Architecture 📍 London, hybrid working (2 days/week) 🤝 Leading business lending platform I'm partnered with one of the UK’s most successful … new product line which has become the company’s highest-growth area, with its own dedicated leadership and roadmap. They’re now hiring a Principal Engineer to become the technical lead across two core engineering teams working in the card and credit space. This is a critical hands … their London office (no fixed days) Be part of a high-ownership role with real scope to shape the success of a growing product Principal Software Engineer – Cards & Credit (Python, Java, Clojure, AWS More ❯

consulting, and business process outsourcing services, constantly ranked among the top performing and fastest growing companies worldwide. We are currently looking for an experienced Principal Data Engineer to join us to work alongside a key public sector client. A Successful Principal Data Engineer will have: Heavy … ETL & using patterns for cloud data warehouse solutions. Lengthy experience in consulting firms. Experience working with public sector clients. Eligibility for unrestricted SC Clearance. Principal Data Engineer Key Details Salary up to £105k (with additional flexibility for outstanding candidates). Performance Bonus. Flexible hybrid working. Must be eligible … for SC Clearance. If the Principal Data Engineer role sounds like a fit for you, make sure to click apply now! If you'd like to discuss the Principal Data Engineer role further, make sure to get in contact with Zachary Phillips at Anson McCade for More ❯

Principal Software Engineer Start-up | FinTech | Product Engineer | TypeScript | React | Senior - Principal Level Experienced full stack software engineers required by a London based FinTech Start-Up with Series A Funding! You will be joining a group of extremely talented engineers being backed by some of the … + Equity. Location: Central London. Hybrid model working 3 days per week onsite, 2 days remote. We are searching for Senior, Staff or Principal level software engineers. Whilst comfortable working across the stack, it is expected that you will have a bias towards frontend or backend development. Whilst we … happen to be a great group of people on a new product being backed by the industries most successful names then please apply now! Principal Software Engineer Requirements: Experience as a Senior, Staff or Principal level software engineer. Competent working across the full stack Experience working on More ❯

Social network you want to login/join with: Principal Software Engineer – London/Winchester (Hybrid Remote) - £83k plus 10% Bonus, london (city of london) col-narrow-left Client: Location: london (city of london), United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job … Views: 1 Posted: 25.05.2025 Expiry Date: 09.07.2025 col-wide Job Description: Principal Software Engineer – London/Winchester (Hybrid Remote) - £83k plus 10% Bonus 10% Bonus | 6% Pension | Private Medical | Flexible Hours | 2dpw in office | Enterprise-grade Projects Ada Meher is currently resourcing for a Principal Software Engineer … solutions and see great reward from the standard of the work they produce for their clients. We are expecting a strong response to this Principal Software Engineer role, so please apply with or send a CV to [emailprotected] ASAP to be considered! #J-18808-Ljbffr More ❯

Principal Software Engineer - Java, Leadership - London (Hybrid) One of my consulting clients in London is looking for a Principal Software Engineer to lead a development team working on an exciting project. Key Skills: Java Development Springboot Microservices REST APIs Cloud (AWS Ideally or Azure) Leadership experience More ❯

Principal Software Engineer - Java, Leadership - London (Hybrid) One of my consulting clients in London is looking for a Principal Software Engineer to lead a development team working on an exciting project. Key Skills: Java Development Springboot Microservices REST APIs Cloud (AWS Ideally or Azure) Leadership experience More ❯

Principal Software Engineer London (Bank – Three days a week in the office) £90k-£100k We’ve partnered with a global insurance company as they continue to grow their Engineering team – they’re seeking a Principal Software Engineer to lead & drive innovation & quality across the software development More ❯

Principal Software Engineer London (Bank – Three days a week in the office) £90k-£100k We’ve partnered with a global insurance company as they continue to grow their Engineering team – they’re seeking a Principal Software Engineer to lead & drive innovation & quality across the software development More ❯

Principal Data Engineer Hybrid - London – weekly office visit We’re working with a cutting-edge SaaS business that's revolutionising how organisations integrate systems, manage data, and deliver insights. This high-growth, product-led company offers a game-changing, AI-powered platform that’s driving digital transformation for … multiple awards for their approach to high achieving professionalism balanced with a great work-life balance. About the Role We’re looking for a Principal Data Engineer to join a highly skilled team focused on delivering next-gen, data-driven solutions across complex enterprise environments. We’re looking … to a Principal Technical Contributor who can also work in a strategic role. At it’s core, this role is about improving the company’s Product internally, while also listening to and tailoring for clients. You’ll act as a platform superuser and thought leader, responsible for designing and More ❯

Principal Data Engineer Hybrid - London – weekly office visit We’re working with a cutting-edge SaaS business that's revolutionising how organisations integrate systems, manage data, and deliver insights. This high-growth, product-led company offers a game-changing, AI-powered platform that’s driving digital transformation for … multiple awards for their approach to high achieving professionalism balanced with a great work-life balance. About the Role We’re looking for a Principal Data Engineer to join a highly skilled team focused on delivering next-gen, data-driven solutions across complex enterprise environments. We’re looking … to a Principal Technical Contributor who can also work in a strategic role. At it’s core, this role is about improving the company’s Product internally, while also listening to and tailoring for clients. You’ll act as a platform superuser and thought leader, responsible for designing and More ❯