26 to 50 of 237 Principal Software Engineer Jobs in the UK

## Principal Software Engineer (DevSecOps)Applylocations: GB - Luton - Cap. Green 300: GB - Edinburgh: GB - Lincoln: GB - Southampton: GB - Basildontime type: Full timeposted on: Posted Todayjob requisition id: R0031286**Job Description:*****Salary Range:** £54,000 - £70,000**Leonardo UK operates a grade-based salary framework with broad bands. … benchmarked against the external market. Exceptions above the standard range are managed through governance controls to protect internal equity.***Your Impact**As a Principal Software Engineer (DevSecOps), you will play a key role in accelerating the delivery of secure, high-quality software across Leonardo's defence ...

working with us can mean deeper job satisfaction, better rewards, and a great quality of life inside and outside of work. Job Title : Senior Principal Software Engineer Reporting To: Dir. Engineering, Product Integrity & Tech Bus. Development Work Schedule: Hybrid Tewkesbury, GBR About Moog Aircraft Group Moog Aircraft … part of our team, youll work on cutting-edge technologies that power next-generation aircraft. About the Role We are seeking a Senior Principal Software Engineer to lead the development of software for advanced flight control and actuation systems. This role requires deep expertise in safety ...

Principal Software Engineer: 6 Month Contract - West Midlands/Hybrid Type:6 Month Contract Day Rate: Market Rates (Outside IR35) Location: West Midlands/Hybrid Start: ASAP We are seeking a Principal Software Engineer who is passionate about crafting exceptional software solutions. This … incredible opportunity to join a dynamic team that thrives on creativity, collaboration, and continuous improvement. Key Responsibilities: Lead the design and architecture of complex software systems, ensuring scalability, performance, and security across development function. Mentorship: Provide mentorship and guidance to a talented team of engineers, fostering a culture ...

Principal Software Engineer: 6 Month Contract - West Midlands/Hybrid Type:6 Month Contract Day Rate: Market Rates (Outside IR35) Location: West Midlands/Hybrid Start: ASAP We are seeking a Principal Software Engineer who is passionate about crafting exceptional software solutions. This … incredible opportunity to join a dynamic team that thrives on creativity, collaboration, and continuous improvement. Key Responsibilities: *Lead the design and architecture of complex software systems, ensuring scalability, performance, and security across development function. *Mentorship: Provide mentorship and guidance to a talented team of engineers, fostering a culture ...

Principal Software Engineer: 6 Month Contract - West Midlands/Hybrid Type:6 Month Contract Day Rate: Market Rates (Outside IR35) Location: West Midlands/Hybrid Start: ASAP We are seeking a Principal Software Engineer who is passionate about crafting exceptional software solutions. This … incredible opportunity to join a dynamic team that thrives on creativity, collaboration, and continuous improvement. Key Responsibilities: *Lead the design and architecture of complex software systems, ensuring scalability, performance, and security across development function. *Mentorship: Provide mentorship and guidance to a talented team of engineers, fostering a culture ...

Principal Software Engineer (AI) Department: Tech - AI and Data Engineering Employment Type: Permanent - Full Time Location: Oxford, UK Description Please note that we are open to considering candidates who require visa sponsorship (subject to eligibility and company approval) Aurora helps governments, investors, and utilities make billion-dollar … decisions on the journey to net-zero. Based in Oxford, you will work in a dynamic and growing engineering organisation that builds cloud-based software to track and model power grids around the world. As a Principal Software Engineer on the AI team you will build ...

Title: Principal Software Engineer Role: Distributed Systems & Communications Location: Cambridgeshire Salary: £60-£80k Platform Recruitment has partnered with an innovative technology company developing mission-critical systems used by organisations worldwide. They're looking for a Principal Software Engineer to help shape the technical direction ...

## Principal Software Engineer (AI/ML)Applylocations: GB - Luton - Cap. Green 300: GB - Edinburgh: GB - Lincoln: GB - Southampton: GB - Basildontime type: Full timeposted on: Posted Todayjob requisition id: R0031288**Job Description:*****Salary Range:** £54,000 - £70,000**Leonardo UK operates a grade-based salary framework with … benchmarked against the external market. Exceptions above the standard range are managed through governance controls to protect internal equity.***Your Impact**Are you a software engineer with a working knowledge of Artificial Intelligence (AI) and Machine Learning (ML)? Are you interested in developing software for some ...

Principal Software Development Engineer Design and optimize marine navigation software for embedded hardware systems Location: Fareham, Hampshire, United Kingdom. Job Tags: Software. Job Summary The Principal Software Development Engineer is responsible for designing, implementing, and supporting Raymarine's Lighthouse operating system and applications … Raymarine's proprietary chartplotter line of hardware. The Principal Development Engineer will work closely with Cartography and Software Engineering teams in Fareham UK and Madison Wisconsin USA, with opportunities for collaboration with engineering teams in Europe and Asia. This role is onsite at the Raymarine facility ...

## Principal Software Engineer – Test Environments (GCAP)Applylocations: GB - Luton - Cap. Green 300: GB - Edinburgh: GB - Lincoln: GB - Southampton: GB - Basildontime type: Full timeposted on: Posted Todayjob requisition id: R0031290**Job Description:*****Salary Range:** £54,000 - £70,000**Leonardo UK operates a grade-based salary framework with … within that band, and is benchmarked against the external market. Exceptions above the standard range are managed through governance controls to protect internal equity.***Principal Software Engineer – Test Environments (GCAP)****Your Impact**Can you develop Test Environments for a complex aerospace programme, from strategy through to implementation ...

Principal Software Engineer, £650/day (Outside IR35) Opportunity for a Principal Software Engineerto work for a retail company at thebeginning of a large digital transformation on an initial 6-month contract outside IR35. You’d report to the Head of Engineering and would work … part of a team of Principal Software Engineers responsible for collaborating with Architects and Product Owners to lead the re-architecture of existing platforms to a cloud-native, event-driven, microservices architecture. Whilst there is no line management, you’d have full technical overview for your product domain ...

Energy Trading - Principal Software Engineer London About Indicium AI Indicium AI is trusted by the world's leading enterprises to deliver AI into production at scale. We are a global AI-native consultancy with proven experience across Financial Services, Energy & Utilities, Healthcare & Life Sciences, Retail … partners - including Anthropic, Databricks, AWS, OpenAI, and Microsoft - to deliver modern AI with speed and measurable impact. Overview Indicium AI are seeking an exceptional Principal Software Engineer to lead delivery of exciting engagements within our Energy & Commodities Trading sector. This role demands a unique combination of hands ...

generation physiological monitoring solutions, the business is transitioning from advanced product development towards regulatory approval and commercial launch. We are looking for an experienced Principal Software Engineer to provide technical leadership across the company's software function, working closely with the Head of Engineering and multidisciplinary … teams spanning Software, Signal Processing and Firmware. This is a hands-on technical leadership role, combining software architecture and technical decision-making with day-to-day engineering, development and problem-solving. Key Responsibilities Provide technical leadership across software development, architecture and engineering best practice Own and evolve ...

Posted: 2026-03-17 Country: United Kingdom Location: Manchester, Lancashire Position Role Type: Onsite Raytheon UK have a full time, permanent opportunity for a Principal Software Engineer to join our team on our Manchester or Gloucester sites within a hybrid working pattern. As Principal Software Engineer, you have the opportunity to focus on technical work or have a mixture of technical focus and people management focus – guiding and developing our more junior members of the team. Either way, you will be part of our experienced software dev function, working in a cross ...

experienced Principal Software Engineer looking to work on cutting-edge technology and make a meaningful impact on users' daily lives in the medical field? If so, we invite you to apply below. As the Principal Software Engineer, you'll bring a wealth of cloud … technical development and delivery of products in line with our product vision and Quality Management System. Additionally, you'll shape the technology roadmap, enhance software delivery capabilities, and influence the company's overall technology strategy. To excel in this position, you should have a proven track record of successfully ...

Principal Embedded Software Engineer Location: Bristol Working: Hybrid Salary: Up to £75,000 DOE We are working with an established technology business developing safety-critical embedded software looking for a Principal Embedded Software Engineer to join their Bristol-based engineering team. This … hands-on technical leadership role focused on developing safety-critical embedded software, with particular emphasis on Embedded C and RTOS technologies. Key Responsibilities Lead technical aspects of embedded software projects. Design, develop and test low-level embedded software. Work extensively with C, assembler and RTOS technologies. Contribute ...

Principal Embedded Software Engineer Location: Bristol Working: Hybrid Salary: Up to £75,000 DOE We are working with an established technology business developing safety-critical embedded software looking for a Principal Embedded Software Engineer to join their Bristol-based engineering team. This … hands-on technical leadership role focused on developing safety-critical embedded software, with particular emphasis on Embedded C and RTOS technologies. Key Responsibilities Lead technical aspects of embedded software projects. Design, develop and test low-level embedded software. Work extensively with C, assembler and RTOS technologies. Contribute ...

Principal Embedded Software Engineer Location: Bristol Working: Hybrid Salary: Up to £75,000 DOE We are working with an established technology business developing safety-critical embedded software looking for a Principal Embedded Software Engineer to join their Bristol-based engineering team. This … hands-on technical leadership role focused on developing safety-critical embedded software, with particular emphasis on Embedded C and RTOS technologies. Key Responsibilities Lead technical aspects of embedded software projects. Design, develop and test low-level embedded software. Work extensively with C, assembler and RTOS technologies. Contribute ...

inclusive employer and a member of myGwork – the largest global platform for the LGBTQ+ business community. Please do not contact the recruiter directly. SENIOR PRINCIPAL SOFTWARE ENGINEER DEV OPERATIONS JOB DETAILS JOB BAND: E CONTRACT TYPE: Permanent, Full-time DEPARTMENT: Dev Ops - Media Tech LOCATION: London, Glasgow … discussion at offer stage. PURPOSE OF THE ROLE The BBC Dev Operations function within Media Tech is looking to appoint a Senior Principal Software Engineer to provide senior technical leadership across Operational Excellence, Reliability and Security Engineering. The role will identify systemic problems across a large ...

have within the community. Salary: £80,200 - £120,400 The Opportunity This is more than just a job; it’s a mission. As a Principal Software Engineer, you will play a pivotal role in designing, developing, and maintaining the critical infrastructure that powers our services. You will … meet customer needs. “My purpose is to lead a team of engineers, rise to the challenges presented, push the boundaries and define possible together.” – Principal Software Manager, Northrop Grumman UK What You’ll Do Take ownership of multiple teams’ deliverables and work with technical leads to define ...

Role Purpose We require a skilled Embedded Software Engineer to design low level embedded software for our wide range of customer applications focussed on electrification, including battery management, power conversion and electric vehicle control systems. The successful candidate will be a key member of the software and controls team. They will develop software solutions, drive processes and tools as well as quality standards. They will work with the wider multi-disciplinary engineering team to support the delivery of effective engineering solutions. This is a hands‐on role for an engineer who enjoys designing ...

client programmes, it has retained the collaborative, customer-first mindset that made it successful in the first place. They're now looking for a Principal Software Engineer to help lead the next stage of growth. This role is ideally suited to someone who has already built … business. You'll bring credibility, pragmatism, and leadership, while helping to develop the next generation of engineers and consultants. The Opportunity As a Principal Software Engineer, you'll provide technical leadership across multiple client engagements, helping organisations tackle complex challenges and deliver meaningful outcomes through technology. ...

DescriptionJob Title: Senior/Principal Software EngineerJob Location: Rochester, Kent - OnsiteSalary: Up to 65,000 depending on experience Who we are: Join BAE Systems and you'll be part of something bigger. As a valued member of our global colleague network, you'll bring your unique skills … delivering the advanced, technology-led defence, aerospace and security solutions of tomorrow - shaping a safer future, for all of us. Role Description: As a Principal Software Engineer, you will lead the design and delivery of embedded software for complex, safety critical systems. You will develop drivers ...

working with us can mean deeper job satisfaction, better rewards, and a great quality of life inside and outside of work. Job Title: Senior Principal Software EngineerReporting To: Dir. Engineering, Product Integrity & Tech Bus. DevelopmentWork Schedule: Hybrid – Tewkesbury, GBRAbout Moog Aircraft GroupMoog Aircraft Group is a world leader … part of our team, you'll work on cutting-edge technologies that power next-generation aircraft. About the RoleWe are seeking a Senior Principal Software Engineer to lead the development of software for advanced flight control and actuation systems. This role requires deep expertise in safety ...

working with us can mean deeper job satisfaction, better rewards, and a great quality of life inside and outside of work. Job Title: Senior Principal Software EngineerReporting To: Dir. Engineering, Product Integrity & Tech Bus. DevelopmentWork Schedule: Hybrid – Tewkesbury, GBRAbout Moog Aircraft GroupMoog Aircraft Group is a world leader … part of our team, you'll work on cutting-edge technologies that power next-generation aircraft. About the RoleWe are seeking a Senior Principal Software Engineer to lead the development of software for advanced flight control and actuation systems. This role requires deep expertise in safety ...