slough, south east england, united kingdom Hybrid / WFH Options
numi
PrincipalEngineer – 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 PrincipalEngineer 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 PrincipalEngineer, Tech Lead, or Software Architect with at least 2 years at this level You’ve built and scaled SaaS platforms — ideally in More ❯
London, England, United Kingdom Hybrid / WFH Options
Rail Delivery Group
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 ❯
Alveston, Gloucestershire, United Kingdom Hybrid / WFH Options
Jonathan Lee Recruitment Ltd
Senior or Principal Systems Engineer - Military and Defence Systems Hybrid/Remote Role with Travel to Other Sites - Permanent - Attractive Job Purpose: Systems, ( Requirements & Acceptance) A Senior or Principal Systems Engineer is required for an international Defence Systems Company that is expanding their team. Hybrid, Remote … to other sites for Technical Systems Reviews and Team Meetings, etc. The Salary and Seniority will depend on skills and experience. The Senior or Principal Systems Engineer will be part of the systems delivery team within the organisation and the Senior or Principal Systems Engineer will … be working and performing a host of systems engineering and requirements and acceptance activities for the execution of the strategy. This Senior or Principal Systems Engineer role will involve a broad spectrum of tasks involving Supporting the senior management of requirements and acceptance for systems across the project. More ❯
Bristol, England, United Kingdom Hybrid / WFH Options
ZipRecruiter
Job DescriptionJob Description Senior or Principal – Systems Engineer - Military and Defence Systems Hybrid/Remote Role with Travel to Other Sites - Permanent - Attractive Job Purpose: Systems, ( Requirements & Acceptance) A Senior or Principal – Systems Engineer is required for an international Defence Systems Company that is expanding their … to other sites for Technical Systems Reviews and Team Meetings, etc. The Salary and Seniority will depend on skills and experience. The Senior or Principal – Systems Engineer will be part of the systems delivery team within the organisation and the Senior or Principal – Systems Engineer will … be working and performing a host of systems engineering and requirements and acceptance activities for the execution of the strategy. This Senior or Principal – Systems Engineer role will involve a broad spectrum of tasks involving Supporting the senior management of requirements and acceptance for systems across the project. More ❯
City of London, Greater London, UK Hybrid / WFH Options
Ozone Talent
PrincipalEngineer 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 PrincipalEngineer'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 PrincipalEngineer: 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 ❯
London, England, United Kingdom Hybrid / WFH Options
Blue Light Card
Join to apply for the PrincipalEngineer role at Blue Light Card 1 week ago Be among the first 25 applicants Join to apply for the PrincipalEngineer role at Blue Light Card Get AI-powered advice on this job and more exclusive features. Direct message … from Blue Light Card Blue Light Card. Individually great, together unstoppable The Role and the Team We have a new exciting opportunity for a PrincipalEngineer to join our Engineering team at Blue Light Card. In this key role, you’ll work closely with the Director of Engineering … team Optimise efficiency by mentoring teams in designing solutions that balance technical excellence across projects What You’ll Bring Extensive engineering expertise as a principalengineer with deep knowledge of Cloud Architectural Patterns, Microservice Patterns, and related technologies Proven ability to design and implement best practices for app More ❯
City of London, Greater London, UK Hybrid / WFH Options
numi
PrincipalEngineer – 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 PrincipalEngineer 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 PrincipalEngineer, Tech Lead, or Software Architect with at least 2 years at this level You’ve built and scaled SaaS platforms — ideally in More ❯
London, England, United Kingdom Hybrid / WFH Options
numi
This range is provided by numi. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Principal Consultant at numi | Cloud and Engineering Recruitment️ | WIT ADVOCATE PrincipalEngineer – Build the Future of SME Finance Remote-first (UK-based) | London … using real-time financial data. Already trusted by 80+ major banks and lenders, they're scaling fast — and now they’re looking for a PrincipalEngineer 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 PrincipalEngineer, Tech Lead, or Software Architect with at least 2 years at this level You’ve built and scaled SaaS platforms — ideally in More ❯
PrincipalEngineer | 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 PrincipalEngineer … two-stage virtual interview If this sounds like the next step in your engineering journey, we'd love to hear from you. Apply now! PrincipalEngineer | Hybrid | React | Node | AWS | TypeScript | £120k More ❯
City of London, London, United Kingdom Hybrid / WFH Options
La Fosse
PrincipalEngineer | 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 PrincipalEngineer … two-stage virtual interview If this sounds like the next step in your engineering journey, we'd love to hear from you. Apply now! PrincipalEngineer | Hybrid | React | Node | AWS | TypeScript | £120k More ❯
South East London, England, United Kingdom Hybrid / WFH Options
La Fosse
PrincipalEngineer | 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 PrincipalEngineer … two-stage virtual interview If this sounds like the next step in your engineering journey, we'd love to hear from you. Apply now! PrincipalEngineer | Hybrid | React | Node | AWS | TypeScript | £120k More ❯
london, south east england, united kingdom Hybrid / WFH Options
La Fosse
PrincipalEngineer | 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 PrincipalEngineer … two-stage virtual interview If this sounds like the next step in your engineering journey, we'd love to hear from you. Apply now! PrincipalEngineer | Hybrid | React | Node | AWS | TypeScript | £120k More ❯
slough, south east england, united kingdom Hybrid / WFH Options
La Fosse
PrincipalEngineer | 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 PrincipalEngineer … two-stage virtual interview If this sounds like the next step in your engineering journey, we'd love to hear from you. Apply now! PrincipalEngineer | Hybrid | React | Node | AWS | TypeScript | £120k More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
La Fosse
PrincipalEngineer | 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 PrincipalEngineer … two-stage virtual interview If this sounds like the next step in your engineering journey, we'd love to hear from you. Apply now! PrincipalEngineer | Hybrid | React | Node | AWS | TypeScript | £120k More ❯
Crawley, West Sussex, South East, United Kingdom Hybrid / WFH Options
Circle Group
Principal Consulting Engineer (Rapid7, SentinelOne, AWS) Crawley £80k - £120k Are you an experienced cybersecurity professional ready to lead complex projects and make a tangible impact? We're looking for a Principal Cyber Engineer, with experience in designing and deploying Rapid7 , SentinelOne, (or similar XDR, MDR, SIEM … to evolving technologies and cross-functional environments. If you are interested in the above role - Click the 'Apply Now' button now for immediate review Principal Rapid7 Engineer, Rapid7 Engineer, Principal Rapid7 Engineer, Cyber Engineer, Cyber Architect, Rapid7, Delinea, SIEM, XDR, Sentinel, Fortinet Circle Recruitment More ❯
chichester, south east england, united kingdom Hybrid / WFH Options
Circle Group
Principal Consulting Engineer (Rapid7, SentinelOne, AWS) Crawley £80k - £120k Are you an experienced cybersecurity professional ready to lead complex projects and make a tangible impact? We're looking for a Principal Cyber Engineer, with experience in designing and deploying Rapid7 , SentinelOne, (or similar XDR, MDR, SIEM … to evolving technologies and cross-functional environments. If you are interested in the above role - Click the 'Apply Now' button now for immediate review Principal Rapid7 Engineer, Rapid7 Engineer, Principal Rapid7 Engineer, Cyber Engineer, Cyber Architect, Rapid7, Delinea, SIEM, XDR, Sentinel, Fortinet Circle Recruitment More ❯
Southampton, Hampshire, United Kingdom Hybrid / WFH Options
leonardo company
Principal Quality Engineer page is loaded Principal Quality Engineer Apply locations GB - Southampton time type Full time posted on Posted 30+ Days Ago job requisition id R Job Description: At Leonardo we have an exciting opportunity for a Principal Quality Engineer to join the … Team and Programme/Project Managers to deliver high-quality results in all phases of the programme lifecycle. What You'll Do as a Principal Quality Engineer: As a Principal Quality Engineer, your primary focus will be to ensure the effective delivery of quality assurance processes … develop and grow, so why not join us. Primary Location: GB - Southampton Contract Type: Employee-Permanent Hybrid Working: Hybrid Similar Jobs (5) Senior Quality Engineer - Software locations 2 Locations time type Full time posted on Posted 30+ Days Ago Senior Supplier Quality Engineer locations GB - Southampton time type More ❯
Cambridge, England, United Kingdom Hybrid / WFH Options
IC Resources
Principal Performance Modelling EngineerPrincipal Performance Modelling Engineer 2 days ago Be among the first 25 applicants Get AI-powered advice on this job and more exclusive features. Direct message the job poster from IC Resources Building technology teams across High-Performance Computing and Performance Modelling … Principal Performance Modelling Engineer £140,000+ DOE, UK remote working + stock options! I'm currently partnered with a Semiconductor start-up, based in Silicon Valley. They are working on re-imagining Silicon, creating RISCV based computing platforms aimed at transforming the industry. As a Principal Performance … Modelling Engineer you will develop functional and timing simulators, undertake performance analysis for architectural exploration and identify and fix performance bottlenecks. You'll also be involved in workload analysis, to develop a deep understanding of the characteristics of workloads in the target market (machine learning, data analytics, graph analytics More ❯
Bristol, England, United Kingdom Hybrid / WFH Options
TN United Kingdom
Senior or Principal Systems Engineer - Defence, Bristol Client: Jonathan Lee Recruitment Location: Bristol, United Kingdom Job Category: Other EU work permit required: Yes Job Reference: bd4469bcd4d1 Job Views: 5 Posted: 02.04.2025 Expiry Date: 17.05.2025 Job Description: Senior or Principal – Systems Engineer - Military and Defence Systems Hybrid …/Remote Role with Travel to Other Sites - Permanent - Attractive Job Purpose: A Senior or Principal – Systems Engineer is required for an international Defence Systems Company that is expanding their team. Hybrid, remote, and flexible working arrangements are available for this position with some travel to other sites … for technical systems reviews and team meetings. The salary and seniority will depend on skills and experience. The Senior or Principal – Systems Engineer will be part of the systems delivery team within the organisation and will perform a host of systems engineering and requirements and acceptance activities for More ❯
London, England, United Kingdom Hybrid / WFH Options
Citi
Solutions Enterprise PrincipalEngineer - Director Solutions Enterprise PrincipalEngineer - Director Citi London, United Kingdom Apply now Posted 17 days ago Permanent Competitive Solutions Enterprise PrincipalEngineer - Director Citi London, United Kingdom Apply now Overview Citi is a world-leading global bank. We have approximately … eliminate duplicate functions and demonstrate technology and business efficiencies. Key Skills and Experience required Willingness to stay hands on (this role will suit an engineer that actively reads and writes code) Experience as a solution architect or enterprise architect within a Trading Organisation, Investment Bank or similar environment with More ❯
Plymouth, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: PrincipalEngineer (Java/Kotlin), Plymouth Client: Xcede Location: Plymouth, United Kingdom Job Category: Other EU work permit required: Yes Job Views: 1 Posted: 04.06.2025 Expiry Date: 19.07.2025 Job Description: Role: PrincipalEngineer Stack: Java, Kotlin, AWS … Xcede is partnering with a FinTech scale-up building a new SaaS platform integrating with major banking institutions. What will you do as a PrincipalEngineer? Lead architectural discussions and serve as the technical authority within engineering Collaborate with Product Managers and Engineers to optimize solutions Engage with … Typescript, and AWS Experience 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 Experience working with clients in a commercial environment (consultancy, SaaS, etc.) Preference for experience within SaaS or FinTech More ❯
London, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: PrincipalEngineer (Java/Kotlin), London Client: Xcede Location: London, United Kingdom Job Category: Other - EU work permit required: Yes Job Views: 1 Posted: 04.06.2025 Expiry Date: 19.07.2025 Job Description: Role: PrincipalEngineer Stack: Java, Kotlin, AWS … is partnering with a FinTech scale-up building a new SaaS platform integrating directly with major banking institutions. What will you do as a PrincipalEngineer? Lead architectural discussions and act as the technical authority within the engineering team Collaborate with Product Managers and Engineers to optimize solutions … Kotlin, Typescript, AWS) Experience 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 Experience working with clients in a commercial environment (consultancy, SaaS, etc.) Preference for experience within SaaS or FinTech More ❯
Slough, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: PrincipalEngineer (Java/Kotlin), Slough Client: Xcede Location: Slough, United Kingdom Job Category: Other EU work permit required: Yes Job Views: 1 Posted: 04.06.2025 Expiry Date: 19.07.2025 Job Description: Role: PrincipalEngineer Stack: Java, Kotlin, AWS … is partnering with a FinTech scale-up building a new SaaS platform integrating directly with major banking institutions. What will you do as a PrincipalEngineer? Lead architectural discussions and act as the technical authority within the engineering team. Collaborate with Product Managers and Engineers to optimize solutions. … Typescript, AWS). Experience 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. Experience dealing with clients in a commercial environment (consultancy, SaaS, etc.). Preference for experience within SaaS or More ❯
Crawley, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: PrincipalEngineer (Java/Kotlin), Crawley, West Sussex Client: Xcede Location: Crawley, West Sussex, United Kingdom Job Category: Other EU work permit required: Yes Job Views: 1 Posted: 04.06.2025 Expiry Date: 19.07.2025 Job Description: Role: PrincipalEngineer … Xcede is partnering with a FinTech scale-up building a new SaaS platform integrating with major banking institutions. What will you do as a PrincipalEngineer? Lead architectural discussions and act as the technical authority within the engineering team Collaborate with Product Managers and Engineers to optimize solutions … Kotlin, Typescript, AWS) Experience 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 Experience working with clients in a commercial environment (consultancy, SaaS, etc.) Preference for experience within SaaS or FinTech More ❯
Leeds, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: PrincipalEngineer (Java/Kotlin), Leeds, West Yorkshire Client: Xcede Location: Leeds, West Yorkshire, United Kingdom Job Category: Other EU work permit required: Yes Job Views: 1 Posted: 04.06.2025 Expiry Date: 19.07.2025 Job Description: Role: PrincipalEngineer … Xcede is partnering with a FinTech scale-up building a new SaaS platform integrating with major banking institutions. What will you do as a PrincipalEngineer? Lead architectural discussions and act as the technical authority within the engineering team Collaborate with Product Managers and Engineers to optimize solutions … Typescript, AWS) Experience building and designing large-scale engineering platforms Ability to work with both technical and non-technical stakeholders 3+ years as a Principal/Staff Engineer or Architect Experience working with clients in a commercial environment (consultancy, SaaS, etc.) Preference for experience within SaaS or FinTech More ❯