26 to 50 of 279 Principal Software Engineer Jobs in the UK

Principal Software Engineer (DevSecOps) - Salary Range: £54,000 - £70,000 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 and security programmes. You will help … shape and evolve our enterprise DevSecOps capability, enabling teams to deliver features and updates rapidly, reliably and securely. Working within our software engineering community, you will champion modern engineering practices, drive automation, and embed security throughout the software development lifecycle. Through your technical leadership and mentoring, you will ...

Location: On site/Tadcaster LS24, UK Job type: Permanent/Full-time Sector and subsector: Engineering | General Salary: Competitive salary Principal Software Engineer Tadcaster, UK Purpose of the Role To lead the software delivery for complex bespoke automation projects. The Principal Software Engineer ensures that software is implemented to the highest standards, guides engineers through the development and commissioning process, delegates technical tasks, and ensures compliance with Software Design Specifications (SDS) and company procedures. Key Accountabilities/Responsibilities Lead and oversee software implementation for major automation projects. Create, review ...

Principal Software Engineer 2026-09-10T00:00:00 Cheltenham Gloucestershire GB GL50 3 Any 2026-12-09T21:09:48.41 hackajob is partnering directly with Raytheon UK to hire for this role. Date Posted: #####-08-13 Country: United Kingdom Location: Gloucester, South Gloucestershire Position Role … Type: Onsite Principal Software Engineer Location: Gloucester Permanent Onsite/Hybrid (min 3 days a week on site) Due to the interesting work we do and the sector this team is working in, we require all candidates to be willing and eligible to hold ...

Senior/Principal Software Engineer Permanent - Hybrid working - Kent As a Principal Software Engineer, you will lead the design and delivery of embedded software for complex, safety critical systems. You will develop drivers, protocols and human-machine interfaces. Responsible for technical direction … will shape strategy, drive innovation and play a key role in delivering high-impact solutions. Core Duties: Leading design and development of embedded software, including drivers, protocols, human-machine interfaces with certification artefacts Defining system and software architectures from requirements using structured design, modelling and simulation Driving integration ...

NegotiableKent, EnglandPermanentSenior/Principal Software Engineer Permanent - Hybrid working - Kent As a Principal Software Engineer, you will lead the design and delivery of embedded software for complex, safety critical systems. You will develop drivers, protocols and human-machine interfaces. Responsible for technical direction … stakeholders, you will shape strategy, drive innovation and play a key role in delivering high-impact solutions.Core Duties:Leading design and development of embedded software, including drivers, protocols, human-machine interfaces with certification artefactsDefining system and software architectures from requirements using structured design, modelling and simulationDriving integration, verification ...

Principal Software Engineer (Platforms) Department: Engineering Employment Type: Permanent - Full Time Location: Bristol, UK Reporting To: Stephen Pope Description We're building the UK's next generation engineering powerhouse, providing critical technology that strengthens national security and resilience. We specialise in turning advances in sensing … have a growing international footprint and are one of Europe's fastest-growing engineering businesses. About the role We are looking for a Principal Software Engineer to build the Internal Developer Platform that our engineering teams depend on – a platform built from the ground up for agentic ...

## 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 (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 ...

inclusive employer and a member of myGwork – the largest global platform for the LGBTQ+ business community. Please do not contact the recruiter directly. Principal Software Engineer/Principal AI Engineer Are you excited about building intelligent systems powered by innovative AI technologies? Do you enjoy … inside segment and function teams, improving the internal workflows that help our people deliver better outcomes for customers, faster. About the role: As a Principal AI Engineer, you will be the technical lead for an embedded Innovation Squad, owning technical execution from discovery through to production. You will ...

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 ...

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 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 ...

next- 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-native … 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 taking ...

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 ...

Type: Full timeDate Posted:2026-06-24Country:United KingdomLocation:Manchester, LancashirePosition Role Type:OnsiteRaytheon 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 … people management focus - guiding and developing our more junior members of the team. Either way, you'll be a part of our experienced software dev function, working in a cross-functional team, delivering and deploying critical software across a variety of business areas.Due to the interesting work ...