GTS Space is partnering with a leading company in the space-tech sector, which is on the lookout for a Principal Embedded SoftwareEngineer Our client is a global trailblazer in space-resilient computing — their technologies are already powering over 50 successful space missions across the solar … system, with clients like NASA and ESA. With teams on three continents, they’re looking for a PrincipalSoftwareEngineer to join them in their Surrey office. This is a rare chance to work on mission-critical software for cutting-edge satellite communications and onboard processing … systems. �� Your Mission: As PrincipalSoftwareEngineer, you'll: Lead the design and optimization of software for advanced satellite communication systems Define architecture and drive the development of embedded, real-time solutions Collaborate closely with systems engineers to integrate hardware and software Guide and mentor More ❯
PrincipalSoftwareEngineer/Lead SoftwareEngineer/C++/Rust A well-funded technology start-up operating at the forefront of AI has secured significant multimillion-pound investment. The company is developing a truly unique software platform that transforms how organizations interact with … autonomous systems and the data they generate—bringing disparate technologies together and making them more user-friendly. You will join as a PrincipalSoftwareEngineer - C++/Rust , the critical hire for this specific team. This position offers full ownership and autonomy from day one, and you … double in size over the coming months, it's an exciting time to join the business during a period of rapid growth. As the PrincipalSoftwareEngineer, you’ll have the opportunity to build a team around you and make key strategic decisions shaping the company’s More ❯
PrincipalSoftwareEngineer/Lead SoftwareEngineer/C++/Rust A well-funded technology start-up operating at the forefront of AI has secured significant multimillion-pound investment. The company is developing a truly unique software platform that transforms how organizations interact with … autonomous systems and the data they generate—bringing disparate technologies together and making them more user-friendly. You will join as a PrincipalSoftwareEngineer - C++/Rust , the critical hire for this specific team. This position offers full ownership and autonomy from day one, and you … double in size over the coming months, it's an exciting time to join the business during a period of rapid growth. As the PrincipalSoftwareEngineer, you’ll have the opportunity to build a team around you and make key strategic decisions shaping the company’s More ❯
london, south east england, United Kingdom Hybrid / WFH Options
Wave Talent
PrincipalSoftwareEngineer Note: The business are hiring for Senior-Principal Engineers PrincipalEngineer TypeScript, React, NextJS, NestJS, Python At Wave Talent, we don't want to consume any more of your time trying to decipher job descriptions to identify the information you need. … We’ve partnered with a high-growth AI technology company who are pushing the boundaries in industrial tech, and we’re hiring Senior to Principal Engineers to join their mission-critical platform team. This role is on-site 5 days a week and whilst this may change in the … driving technical excellence across the team. We'd love to chat with you about this position if: ✅ You’ve got extensive experience as a PrincipalEngineer, Staff Engineer, or in a senior full-stack engineering role, ideally within fast-paced, high-growth tech environments. ✅ You’re highly More ❯
slough, south east england, United Kingdom Hybrid / WFH Options
Wave Talent
PrincipalSoftwareEngineer Note: The business are hiring for Senior-Principal Engineers PrincipalEngineer TypeScript, React, NextJS, NestJS, Python At Wave Talent, we don't want to consume any more of your time trying to decipher job descriptions to identify the information you need. … We’ve partnered with a high-growth AI technology company who are pushing the boundaries in industrial tech, and we’re hiring Senior to Principal Engineers to join their mission-critical platform team. This role is on-site 5 days a week and whilst this may change in the … driving technical excellence across the team. We'd love to chat with you about this position if: ✅ You’ve got extensive experience as a PrincipalEngineer, Staff Engineer, or in a senior full-stack engineering role, ideally within fast-paced, high-growth tech environments. ✅ You’re highly More ❯
winchester, south east england, United Kingdom Hybrid / WFH Options
Ada Meher
PrincipalSoftwareEngineer – 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 PrincipalSoftwareEngineer to join the one of the country’s … solutions and see great reward from the standard of the work they produce for their clients. We are expecting a strong response to this PrincipalSoftwareEngineer role, so please apply with or send a CV to matthew.coney@adameher.com ASAP to be considered More ❯
london, south east england, United Kingdom Hybrid / WFH Options
Ada Meher
PrincipalSoftwareEngineer – 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 PrincipalSoftwareEngineer to join the one of the country’s … solutions and see great reward from the standard of the work they produce for their clients. We are expecting a strong response to this PrincipalSoftwareEngineer role, so please apply with or send a CV to matthew.coney@adameher.com ASAP to be considered More ❯
london (city of london), south east england, United Kingdom Hybrid / WFH Options
Ada Meher
PrincipalSoftwareEngineer – 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 PrincipalSoftwareEngineer to join the one of the country’s … solutions and see great reward from the standard of the work they produce for their clients. We are expecting a strong response to this PrincipalSoftwareEngineer role, so please apply with or send a CV to matthew.coney@adameher.com ASAP to be considered More ❯
slough, south east england, United Kingdom Hybrid / WFH Options
Ada Meher
PrincipalSoftwareEngineer – 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 PrincipalSoftwareEngineer to join the one of the country’s … solutions and see great reward from the standard of the work they produce for their clients. We are expecting a strong response to this PrincipalSoftwareEngineer role, so please apply with or send a CV to matthew.coney@adameher.com ASAP to be considered More ❯
southampton, south east england, United Kingdom Hybrid / WFH Options
Ada Meher
PrincipalSoftwareEngineer – 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 PrincipalSoftwareEngineer to join the one of the country’s … solutions and see great reward from the standard of the work they produce for their clients. We are expecting a strong response to this PrincipalSoftwareEngineer role, so please apply with or send a CV to matthew.coney@adameher.com ASAP to be considered More ❯
london (west end), south east england, United Kingdom Hybrid / WFH Options
Ada Meher
PrincipalSoftwareEngineer – 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 PrincipalSoftwareEngineer to join the one of the country’s … solutions and see great reward from the standard of the work they produce for their clients. We are expecting a strong response to this PrincipalSoftwareEngineer role, so please apply with or send a CV to matthew.coney@adameher.com ASAP to be considered More ❯
Principal Robotics SoftwareEngineer | AUV’s | ROV’s | Harwell – Hybrid | £70,000pa plus share scheme & benefits: A once in a lifetime opportunity has arisen for a passionate robotics SoftwareEngineer to join a game changing company who has a pipeline of robotic AUV, ROV & UAV … and unmanned vehicle industry, you honestly need to make contact with us, this one is not to be missed. MARS is recruiting an experienced PrincipalSoftwareEngineer to lead the design, development, and integration of advanced software for next-generation underwater unmanned platforms. This role will … play a pivotal part in driving autonomy, perception, and mission-critical software for submersible robotic systems. Candidates must be British Citizens or lived in the UK for 10 years, due to needing SC clearance. Key Responsibilities: Lead the architecture, design, and development of software for autonomous underwater vehicles More ❯
Employment Type: Permanent
Salary: £65000 - £70000/annum plus benefits & share scheme
Principal Robotics SoftwareEngineer | AUV’s | ROV’s | Harwell – Hybrid | £70,000pa plus share scheme & benefits: A once in a lifetime opportunity has arisen for a passionate robotics SoftwareEngineer to join a game changing company who has a pipeline of robotic AUV, ROV & UAV … and unmanned vehicle industry, you honestly need to make contact with us, this one is not to be missed. MARS is recruiting an experienced PrincipalSoftwareEngineer to lead the design, development, and integration of advanced software for next-generation underwater unmanned platforms. This role will … play a pivotal part in driving autonomy, perception, and mission-critical software for submersible robotic systems. Candidates must be British Citizens or lived in the UK for 10 years, due to needing SC clearance. Key Responsibilities: Lead the architecture, design, and development of software for autonomous underwater vehicles More ❯
PrincipalSoftwareEngineer (TypeScript) Salary: £120,000 - £140,000 plus equity Location: 3 days p/week in London PrincipalEngineer - would you like the opportunity to work for a start-up who recently raised series A funding? You will be joining a technology team … a passion for innovation, collaboration, and providing the best service to their customers as well as embracing new ideas, technologies and approaches. As a PrincipalEngineer, 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 PrincipalEngineer, looking to work for one of the fastest growing start-ups, please apply. More ❯
PrincipalSoftwareEngineer (TypeScript) Salary: £120,000 - £140,000 plus equity Location: 3 days p/week in London PrincipalEngineer - would you like the opportunity to work for a start-up who recently raised series A funding? You will be joining a technology team … a passion for innovation, collaboration, and providing the best service to their customers as well as embracing new ideas, technologies and approaches. As a PrincipalEngineer, 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 PrincipalEngineer, looking to work for one of the fastest growing start-ups, please apply. More ❯
london, south east england, United Kingdom Hybrid / WFH Options
Cititec Talent
PrincipalSoftwareEngineer | Permanent | London Cititec Talent is excited to partner with a global commodities firm seeking a PrincipalSoftwareEngineer to join their team. The team is closely aligned with front-office operations and collaborates directly with trading desks, global research teams, and … platform’s core capabilities. Implementation of shared libraries, frameworks, APIs, SDKs, and microservices. Collaboration with cloud platform engineers, data engineers, data scientists and other software engineers. Requirements: Strong background in software engineering, with expertise in Python. Extensive experience in API design and development. Knowledgeable in enterprise architecture, including More ❯
slough, south east england, United Kingdom Hybrid / WFH Options
Cititec Talent
PrincipalSoftwareEngineer | Permanent | London Cititec Talent is excited to partner with a global commodities firm seeking a PrincipalSoftwareEngineer to join their team. The team is closely aligned with front-office operations and collaborates directly with trading desks, global research teams, and … platform’s core capabilities. Implementation of shared libraries, frameworks, APIs, SDKs, and microservices. Collaboration with cloud platform engineers, data engineers, data scientists and other software engineers. Requirements: Strong background in software engineering, with expertise in Python. Extensive experience in API design and development. Knowledgeable in enterprise architecture, including More ❯
winchester, south east england, United Kingdom Hybrid / WFH Options
Stott and May
PrincipalSoftwareEngineer 2 days/week in Winchester or London office) £83,000 base salary + 10% annual bonus + 6% pension contribution + Private medical insurance We're looking for a Senior PrincipalSoftwareEngineer to play a strategic role in guiding … You’ll Do Lead development across complex systems and cross-functional teams Act as a key decision-maker and deputy to the Head of Software Engineering Define and promote best practices across the software development lifecycle Guide architectural choices to ensure scalable, sustainable solutions Champion modern tools, frameworks … ensure high-quality standards across projects Stay current with industry trends and bring fresh insights into our platform About You Extensive experience in senior software roles with influence over architecture and technical direction Strong grasp of modern programming languages and frameworks Proven leadership in engineering teams and mentoring individuals More ❯
southampton, south east england, United Kingdom Hybrid / WFH Options
Stott and May
PrincipalSoftwareEngineer 2 days/week in Winchester or London office) £83,000 base salary + 10% annual bonus + 6% pension contribution + Private medical insurance We're looking for a Senior PrincipalSoftwareEngineer to play a strategic role in guiding … You’ll Do Lead development across complex systems and cross-functional teams Act as a key decision-maker and deputy to the Head of Software Engineering Define and promote best practices across the software development lifecycle Guide architectural choices to ensure scalable, sustainable solutions Champion modern tools, frameworks … ensure high-quality standards across projects Stay current with industry trends and bring fresh insights into our platform About You Extensive experience in senior software roles with influence over architecture and technical direction Strong grasp of modern programming languages and frameworks Proven leadership in engineering teams and mentoring individuals More ❯
PrincipalSoftwareEngineer | London (Hybrid - 3x in office) up to £140K Salary + Bonus + Benefits We are seeking a talented and passionate Principalsoftwareengineer to join a leading financial services company. Our client is a pioneering player in the pension's space … of assets under management and a reputation for excellence, this is an exciting opportunity to contribute to the transformation of the industry. As a Principal, you will play a pivotal role in enhancing and developing critical systems used across various business functions, including trading, operations, actuarial, and finance. You … cross-functional teams, including Trading, Operations, and Finance, to deliver impactful new features. Contribute to a fast-paced environment while maintaining best practices in software development. Skills and Experience Required: Excellent academic record, PhD or MSc in Science/Stem subjects. 4+ years of application development experience, within fast More ❯
PrincipalSoftwareEngineer | London (Hybrid - 3x in office) up to £140K Salary + Bonus + Benefits We are seeking a talented and passionate Principalsoftwareengineer to join a leading financial services company. Our client is a pioneering player in the pension's space … of assets under management and a reputation for excellence, this is an exciting opportunity to contribute to the transformation of the industry. As a Principal, you will play a pivotal role in enhancing and developing critical systems used across various business functions, including trading, operations, actuarial, and finance. You … cross-functional teams, including Trading, Operations, and Finance, to deliver impactful new features. Contribute to a fast-paced environment while maintaining best practices in software development. Skills and Experience Required: Excellent academic record, PhD or MSc in Science/Stem subjects. 4+ years of application development experience, within fast More ❯
guildford, south east england, United Kingdom Hybrid / WFH Options
Prism Digital
PrincipalSoftwareEngineer | Python/GoLang, Product Development & Public Cloud | Security SaaS Prism Digital have partnered with a super interesting and niche VC-backed client specialising in attack surface management and automated red teaming. Their platform provides organisations with real-time visibility into their attack surface and … any sign of slowing down their growth. After receiving a total of $29 million over three funding rounds, they're looking to grow their software engineering division throughout the next 6-months with this senior role and a further junior role. They have recently expanded into Europe & US and … are continuing to grow. This role has the opportunity to learn from a highly experienced engineer who is completing their PhD in AI & Computer Science. Additionally, you'll have the opportunity to work at the scale of the internet, their product scans the entire internet, giving you the chance More ❯
dartford, south east england, United Kingdom Hybrid / WFH Options
Prism Digital
PrincipalSoftwareEngineer | Python/GoLang, Product Development & Public Cloud | Security SaaS Prism Digital have partnered with a super interesting and niche VC-backed client specialising in attack surface management and automated red teaming. Their platform provides organisations with real-time visibility into their attack surface and … any sign of slowing down their growth. After receiving a total of $29 million over three funding rounds, they're looking to grow their software engineering division throughout the next 6-months with this senior role and a further junior role. They have recently expanded into Europe & US and … are continuing to grow. This role has the opportunity to learn from a highly experienced engineer who is completing their PhD in AI & Computer Science. Additionally, you'll have the opportunity to work at the scale of the internet, their product scans the entire internet, giving you the chance More ❯
basingstoke, south east england, United Kingdom Hybrid / WFH Options
Prism Digital
PrincipalSoftwareEngineer | Python/GoLang, Product Development & Public Cloud | Security SaaS Prism Digital have partnered with a super interesting and niche VC-backed client specialising in attack surface management and automated red teaming. Their platform provides organisations with real-time visibility into their attack surface and … any sign of slowing down their growth. After receiving a total of $29 million over three funding rounds, they're looking to grow their software engineering division throughout the next 6-months with this senior role and a further junior role. They have recently expanded into Europe & US and … are continuing to grow. This role has the opportunity to learn from a highly experienced engineer who is completing their PhD in AI & Computer Science. Additionally, you'll have the opportunity to work at the scale of the internet, their product scans the entire internet, giving you the chance More ❯
reading, south east england, United Kingdom Hybrid / WFH Options
Prism Digital
PrincipalSoftwareEngineer | Python/GoLang, Product Development & Public Cloud | Security SaaS Prism Digital have partnered with a super interesting and niche VC-backed client specialising in attack surface management and automated red teaming. Their platform provides organisations with real-time visibility into their attack surface and … any sign of slowing down their growth. After receiving a total of $29 million over three funding rounds, they're looking to grow their software engineering division throughout the next 6-months with this senior role and a further junior role. They have recently expanded into Europe & US and … are continuing to grow. This role has the opportunity to learn from a highly experienced engineer who is completing their PhD in AI & Computer Science. Additionally, you'll have the opportunity to work at the scale of the internet, their product scans the entire internet, giving you the chance More ❯
