1 to 25 of 545 Principal Engineer Jobs in the UK

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 fintech scale-up 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 exceptional autonomy and influence. You'll head up the evolution of 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 new customers. This is a unique chance to define the future of adaptive credit systems, driving More ❯

Senior Principal Software Engineer - Email Security Senior Principal Software Engineer - Email Security 2 days ago Be among the first 25 applicants Get AI-powered advice on this job and more exclusive features. Description Principal/Senior Principal Software Engineer Email Security The driving force behind our award-winning Email Security Product at Mimecast … of innovation with our Email Security engineering team. Our pioneering Email Security solution pushes on the boundaries of whats possible, leveraging the latest technologies and tooling in AWS. Description Principal/Senior Principal Software Engineer Email Security The driving force behind our award-winning Email Security Product at Mimecast Dive into the forefront of innovation with our … scale with our innovative Email Security team! Our MTA process billions of emails from millions of users on thousands of servers each day! Hiring Manager What Youll Do? As Principal/Senior Principal Engineer, you will play a pivotal role in leading the development of our next-generation cloud-based email product. This role involves hands-on More ❯

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 and flexible working arrangements are available for this position with … some travel 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. Supporting systems certification towards project milestones and develop the process for management of systems interface requirements and validation More ❯

opportunities for all. We benefit from diversity. That said, we're far from perfect - we want to be more diverse and representative. Join us and help make that happen. Principal Software Engineer - £Excellent London Principal Software Engineer Principal Software Engineer The role We're looking for a Principal Software Engineer to join … our digital product delivery function. Red Badger delivers high quality digital products using a lean delivery process and multidisciplinary, cross-functional teams. The Principal Software Engineer is a senior technical leader with deep expertise in building and operating digital products, particularly within complex client environments and multi-team projects. This role is instrumental in shaping the technical direction … of client engagements and plays a key part in delivering high-quality outcomes through strategic influence, hands-on support, and deep domain knowledge. You will collaborate closely with Principal Product and Delivery roles, as well as Technical and Delivery Leads, to ensure that technology choices align with both client goals and Red Badger's value propositions. You will engage More ❯

Principal Software Engineer - Commercial Salary: Competitive Plus Benefits Location: London Store Support Centre and Home, London, EC1M 6HA Contract type: Permanent Business area: Sainsbury's Tech Closing date: 13 July 2025 Requisition ID: 282889 We'd all like amazing work to do, and real work-life balance. That's waiting for you at Sainsbury's. Think about the … everything from AI to reusable tech. Joining Sainsbury's Tech means becoming part of an organisation that powers the UK's leading multi-channel, multi-brand retailer. As a Principal Engineer, you will play a pivotal role in driving engineering excellence and innovation within our dynamic and inclusive environment. You'll have the opportunity to work alongside talented … forefront of shaping the future of retail technology while enjoying a work-life balance that allows you to thrive both personally and professionally. What you'll do As a Principal Engineer in Sainsbury's Tech, you will play a crucial role in driving engineering excellence and enabling engineers to succeed within the organisation. You will be a trusted More ❯

Job Description - Principal Engineer - Systems Engineering (Requirements & Acceptance) () Principal Engineer - Systems Engineering (Requirements & Acceptance) - Job Title: Principal Engineer - Systems Engineering (Requirements & Acceptance) Location: Barrow-In-Furness (Hybrid - 2 days on site per fortnight) - We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular … lifestyle benefits, including a green car scheme, private health plans and shopping discounts - you may also be eligible for an annual incentive. The SSNA CCI Governance Team: As a Principal Engineer - Systems Engineering you will be working as part of the Centralised C&I Governance Team, responsible for developing the process, procedure and providing assurance for the next More ❯

Join to apply for the Senior/Principal Engineer - Tunnel Systems role at WSP in the UK & Ireland 3 weeks ago Be among the first 25 applicants Join to apply for the Senior/Principal Engineer - Tunnel Systems role at WSP in the UK & Ireland Get AI-powered advice on this job and more exclusive features. … You can experience a world of opportunity and the chance to shape a career as unique as you. A Little More About Your Role WSP is looking for a Principal Engineer, to join our industry-leading Intelligent Infrastructure team to design and advise clients on the next generation technology that will build the transport systems that everyone else … you will be fully supported through the provision of a mentor and Professional Registration Advisors to take you through the registration process and achieve the status of a Chartered Engineer A proven track record of working collaboratively with both internal and external partners on integrated highway technology projects Practical understanding of working with infrastructure design systems, which may include More ❯

iconic and ground-breaking structures and spaces that transform the world around us, from making journeys easier to opening up public places that bring people together. Job Purpose: A Principal Highways Engineer will be responsible for managing technical aspects of larger highways projects or components of major projects, meeting financial, quality and time objectives and meeting or exceeding … with Arcadis management systems to meet time, quality, budgetary and health and safety targets, working to ensure maximum client satisfaction, championing client care and proactively supporting the client. A Principal Engineer will also promote the culture of the business. Key Accountabilities: Promote Health, Safety and Well-being good practice within team Work collaboratively with other design disciplines within … presentations, publications and participation in technical committees) Maintain records of Continuing Professional Development and can make these available for audit by their professional institution Dimensions of the job: A Principal Engineer will typically be assigned to provide a controlling technical role on medium size, moderately complex projects in a single discipline. They will coordinate and manage project teams More ❯

Senior Principal Engineer, Data Platform Press Tab to Move to Skip to Content Link WHO WE ARE WHAT WE DO WORKING AT THE BBC HOW WE HIRE EARLY CAREERS EXTEND SEARCH JOBS Language Log in to Profile BBC Employee Login Job Description CREATE JOB ALERT Job Title: Senior Principal Engineer, Data Platform Senior Principal Engineer … Head of Data Engineering Salary: £92,000-£102,000 Job Introduction The BBC is building the foundation of its enterprise-wide data capability, and we're seeking a Senior Principal Data Engineer to lead the technical vision, strategy, and execution of our data infrastructure and platform. This role is pivotal in shaping the BBC's data future-ensuring … out more about Diversity and Inclusion at the BBC, please clickhere . DISCLAIMER This job description is a written statement of the essential characteristics of the job, with its principal accountabilities, incorporating a note of the skills, knowledge and experience required for a satisfactory level of performance. This is not intended to be a complete, detailed account of all More ❯

Join to apply for the Principal Engineer Systems Human Factors role at TieTalent 1 day ago Be among the first 25 applicants Join to apply for the Principal Engineer Systems Human Factors role at TieTalent Get AI-powered advice on this job and more exclusive features. About About Job Title: Principal Human Factors Engineer … mindset to design systems that enhance safety, performance, and decision-making in high-stakes environments. Collaboration, integrity, and a shared commitment to national security define our culture. As a Principal Human Factors Engineer, youll play a critical role in ensuring our solutions are intuitive, resilient, and ready for the real world. Why BAE Systems? This is a place … function Job function Engineering and Information Technology Industries Technology, Information and Internet Referrals increase your chances of interviewing at TieTalent by 2x Sign in to set job alerts for Principal Engineer roles. London, England, United Kingdom 1 week ago Senior Innovation and Design Engineer, Worldwide Design and Engineering London, England, United Kingdom 1 week ago London, England More ❯

Senior/Principal Engineer - Permanent - London Country: United Kingdom Location: Heart of London Sector: Software Engineer Salary: GBP £36,000 to £50,000 Plus Generous Benefits Job Type: Permanent Technologies: C++ 3D Maths Animation Engine Game Engine Graphics Architecture Graphics FX OpenGL Perforce Physics Dynamics Collision PS4 VR Senior/Principal Engineer - Permanent - London Senior …/Principal Engineer - Permanent - London Posted Thursday, 12 May 2016 Endeavour Recruitment has a brilliant opportunity for a Senior/Principal Developer/Support Engineer who will be pushing the capabilities of the developers that will define the future business direction. The successful candidate will liaise closely with external stakeholders, guiding them on effective techniques and More ❯

Principal Consultant Engineer page is loaded Principal Consultant Engineer Apply locations United Kingdom (remote) Italy (remote) time type Full time posted on Posted Yesterday job requisition id R7374 The driving force behind our success has always been the people of AspenTech. What drives us, is our aspiration, our desire and ambition to keep pushing the envelope … of career development programs to support of community service projects to social events that foster fun and relationship building across our global community. The Role AspenTech is seeking a Principal Consultant Engineer within the Global Professional Services organization. The selected candidate will be based in one of our offices located in the UK or Pisa (Italy). The … for process modeling. Finally, it may also include support for the Customer Support and Training (CS&T) organization to address specific customer questions and issues. Your Impact As a Principal Consultant Engineer your responsibilities will include: Be the technical lead on medium and larger projects, dealing effectively with technical issues to ensure customer satisfaction and assign tasks to More ❯

Solution Engineer, Principal page is loaded Solution Engineer, Principal Apply remote type Remote locations UK, Remote time type Full time posted on Posted 30+ Days Ago job requisition id JR102225 The Solution Engineer, Principal serves as a trusted partner to the salesforce (direct and channel) by providing in-depth knowledge of the technical and More ❯

Job Description - Principal Engineer - Software Engineering (Specialist Software) () Principal Engineer - Software Engineering (Specialist Software) - Job Title: Principal Engineer - Software Engineering (Specialist Software) Location: Coventry. We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role. What you'll be doing: Working to recognised More ❯

Principal Engineer – Fire Safety Location: Barrow (remote working, with occasional requirements for site visits to support specific project needs) Duration: 12 months Rate: £56.40 per hour PAYE or £76.16 per hour Umbrella Would you like to play a crucial role within fire safety to ensure the safe delivery of Royal Navy submarines? Our client is currently recruiting for … a Principal Engineer – Fire Safety in their submarines business. As a Principal Engineer – Fire Safety, you will act as a subject matter expert for fire safety and will be a key contributor in ensuring safe submarines by design. You will engage with a wide range of engineering stakeholders across our programmes to develop and embed fire More ❯

Job Description - Principal Engineer - Electrical Engineer (Control & Instrumentation) () Job Title: Principal Engineer - PMS C&I (Software) Location: Coventry. We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role. What you'll be doing: Working to recognised industry standards to produce innovative, high quality More ❯

scalable, and resilient software solutions. Our teams work with a modern tech stack including .NET, MongoDB, AWS, Jenkins, SQL Server, and streaming technologies. Were looking for a hands-on Principal Engineer who can code, design scalable systems, manage Staff Engineers, and drive technical excellence across multiple teams. This role is perfect for a technical leader who still enjoys … writing code while shaping architecture and mentoring engineers. About the role As a Principal Engineer, you will play a critical role in: Architecting scalable, high-performance systems Coding and reviewing mission-critical features (at-least 60% hands-on) Managing and mentoring Staff Engineers & Senior Developers Driving best practices in software development and AI-powered engineering Owning non-functional … with cross-functional teams to align technical solutions with business needs Research and implement AI-driven development tools to boost productivity What were looking for Proven experience as a Principal Engineer/Lead Engineer/Software Architect Proven hands-on coding experience with .NET, SQL Server, MongoDB, Angular/NextJS, AWS, and streaming technologies Strong experience in More ❯

Job Description - Principal Systems Engineer () Principal Systems Engineer - Job Title: Principal Systems Engineer Location: Isle of Wight - Cowes, Chelmsford - Great Baddow or Portsmouth - BroadOak Salary: Up to £75,900 commensurate with skills and experience. Part time & accruing hours available. Part time & accruing hours available' Please let us know if you would like to discuss … these options. Put yourself into a dynamic Principal Systems Engineering role at the forefront of real world demands in the defence industry. Alongside ensuring operational excellence for our existing products, there will be the opportunity to develop next generation radar products to counter emerging threats and contribution to our strategy for new technology. Your new day-to-day will … working, an employee assistance programme, Cycle2work and employee discounts - you may also be eligible for an annual incentive. The Radar Systems Engineering team: You will be working as a Principal Systems Engineer within our close-knit multi-function radar team of inter-disciplinary engineers, evolving our radar portfolio of existing and brand-new radar products to address emerging More ❯

Principal Engineer - Sports Platform Engineering Services (Remote, United Kingdom) page is loaded Principal Engineer - Sports Platform Engineering Services (Remote, United Kingdom) Apply locations London, United Kingdom time type Full time posted on Posted 5 Days Ago job requisition id JR-79610 Job Summary: Principal Engineer - Sports Platform Engineering Services Location: Remote, United Kingdom (Flexible More ❯

Job Description - Principal Software Engineer () Principal Software Engineer - Job Title: Principal Software Engineer Location: Portsmouth Broad Oak Salary: Up to £64,600 dependent on skills and experiences + bonus scheme What you'll be doing: Leading a team of software engineers implementing torpedo tactical software against an incrementally defined algorithm specification Being responsible for … requirements Supporting and influencing migration and modernisation of the current software implementation approach and toolset to support longer term maintainability and spiral development Your skills and experiences: Experienced software engineer that has worked in a de-facto leadership or primary role within a software development team Ability to manage day-to-day work of engineers within the team and … the Sting Ray and Spearfish torpedoes. This includes on-going development and support for in-service products and the development of the next generation of torpedo products. As a Principal Software Engineer, you will focus on driving end-to-end software delivery, from architecture to implementation, with hands-on leadership, smart task allocation, and seamless coordination across teams More ❯

Job Description: The Leonardo Cyber Security Division is looking to recruit a Principal DevSecOp Engineer to join its UK based engineering team working within a highly secure environment; with responsibility for providing a bridge between software development, testing, infrastructure, operations and system administrators to facilitate efficient, continuous and high-quality software and environment delivery. The processes and tooling … implemented by the Principal DevSecOps Engineer will enable source code and associated artefacts to be installed and configured on scalable infrastructure across environments which comply to strict security regulations. The Principal DevSecOps Engineer will typically combine the skills of software coding and/or scripting, process reengineering and infrastructure provisioning with exemplary leadership, team working and … communication skills. The Principal DevSecOps Engineer should have a good breadth of knowledge across the disciplines of software development and how software and infrastructure is deployed. The ideal candidate will have demonstrable experience of performing in a similar strategic and leading DevSecOps position, and preferably working in a secure environment. You will possess a strong all round technical More ❯

Principal Engineer Python/Data Systems Salary: £80k-£100k Permax Recruitment is working in partnership with a London based firm who are on the lookout for a Principal Engineer in London to become an integral part of the team. Working within the Digital Assets industry for a finance firm who specialise in Crypto, Blockchain and Web3. More ❯

Principal Engineer This is a remote or hybrid position within the UK. We currently don't provide visa sponsorship. We are a B2B Fintech focusing on disrupting the small business lending market. SMEs make up 99% of all UK businesses yet are traditionally underserved by big banks and financial institutions. Built from nearly a decade of experience powering … and proactive engagement. Our products are used by over 80 leading high street and challenger banks and specialist lenders. Role Description We're looking for an ambitious, product-focused Principal Engineer, someone to act as trusted technical authority within the organisation, helping guide technical direction and act as a hands-on mentor and coach for other engineers. You More ❯

and resilient software solutions. Our teams work with a modern tech stack including .NET, MongoDB, AWS, Jenkins, SQL Server, and streaming technologies. We’re looking for a hands-on Principal Engineer who can code, design scalable systems, manage Staff Engineers, and drive technical excellence across multiple teams. This role is perfect for a technical leader who still enjoys … writing code while shaping architecture and mentoring engineers. About the role As a Principal Engineer, you will play a critical role in: Architecting scalable, high-performance systems Coding and reviewing mission-critical features (at-least 60% hands-on) Managing and mentoring Staff Engineers & Senior Developers Driving best practices in software development and AI-powered engineering Owning non-functional … cross-functional teams to align technical solutions with business needs Research and implement AI-driven development tools to boost productivity What we’re looking for Proven experience as a Principal Engineer/Lead Engineer/Software Architect Proven hands-on coding experience with .NET, SQL Server, MongoDB, Angular/NextJS, AWS, and streaming technologies Strong experience in More ❯

Principal Engineer - OS Maps Application (Fulltime) - Salary - £74,781 to £87,244 (dependent on experience) - Hybrid working Join us and you'll have an opportunity to make an impact and be part of an organisation committed to driving sustainable outcomes. At OS, we use location data and intelligence to help customers build more resilient societies, preserve the environment … rating across IOS and Android of 4.7, and the 3rd globally by revenue generation . About the role We are seeking a highly experienced and commercially adept Full-Stack Principal Engineer to lead the delivery of our web estate, mobile applications (iOS and Android), and backend API platform. The ideal candidate will have extensive expertise in application development … requirements and work with both onshore product team and predominantly offshore agile development team to develop the appropriate software development components for our current and future growth strategy. The Principal Application Engineer plays a critical role in providing organisational, and domain technical leadership, and strategic direction in their chosen field. You will be expected to work closely with More ❯