1 to 25 of 56 Remote/Hybrid Principal Software Engineer Jobs in the UK

Principal Software Engineer Salary: £75,000 – £85,000 + Benefits Location: Hybrid 1 day every other week – Milton Keynes We are currently looking for a Principal Software Engineer to join a growing, technology-led SaaS organisation that is investing heavily in its engineering capability … collaborative, forward-thinking engineering team where you’ll have genuine influence over technical direction rather than simply delivering features. Reporting into the CTO, the Principal Software Engineer will play a pivotal role in shaping software architecture, establishing engineering best practice, and mentoring other engineers across ...

## Principal Browser Software EngineerApply: Cambridge, Cambridgeshire, United Kingdom: Full time: Posted Today: 3168947Principal Browser Software Engineer**Description -**HP Wolf Security is changing the future of endpoint security through delivering secure PCs with advanced hardware-enforced security features. We are growing the R&D team … Cambridge, UK and we’re looking for Principal level browser software engineer to join the HP Wolf Security R&D team. You will be designing and developing our innovative security solution based on micro-virtualization and contributing to new features and products. To see what our engineering ...

Principal Software Engineer C++ (Cloud Video Framework) Contract : Full-Time, Permanent Working Location : Hybrid, 2 Days a week in the office, minimum Office Locations : UK/Hungary Join Our Team as a Principal Software Engineer in Cloud Video Framework at Hawk-Eye Innovations … systems trusted by leagues, federations, broadcasters, and millions of fans worldwide. Our Video And Graphics Team builds the backbone of Hawk-Eye, creating the software architecture, deployment systems, and operational tools that power our world-leading sports technology platforms.Joining our Video Review team, you will build intuitive replay platforms ...

Principal Software Engineer C++ (Cloud Video Framework) Contract : Full-Time, Permanent Working Location : Hybrid, 2 Days a week in the office, minimum Office Locations : UK/Hungary Join Our Team as a Principal Software Engineer in Cloud Video Framework at Hawk-Eye Innovations … systems trusted by leagues, federations, broadcasters, and millions of fans worldwide. Our Video And Graphics Team builds the backbone of Hawk-Eye, creating the software architecture, deployment systems, and operational tools that power our world-leading sports technology platforms.Joining our Video Review team, you will build intuitive replay platforms ...

Principal Software Engineer Department: Technology Employment Type: Permanent - Full Time Location: London Reporting To: Head of Engineering Description Defaqto is one of the most trusted names in UK financial services research and ratings, and our technology turns deep market data into decisions that advisers, providers and consumers … rely on every day. The credibility of that output rests on the quality of our engineering. We are looking for a Principal Software Engineer to be the most senior individual contributor in our Technology function. Reporting to the Head of Engineering and working closely with ...

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 ...

## 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 ...

Principal Software Engineer ABOUT THE ROLE We’re looking for a Principal Software Engineer to shape the technical direction of high-profile projects and lead the delivery of modern, scalable software. We use technology to create impactful, human-centred solutions that make a difference … working closely with senior stakeholders, mentoring engineers across multiple teams, and line managing a small group of engineers while helping shape our approach to software delivery, architecture, and engineering culture. DIMENSIONS Budget : Awareness and influence on large-scale project budgets. Headcount : Lead multiple teams or larger cross-functional teams ...

Autodesk is looking for a Principal Software Engineer to provide technical leadership for a new Electron and Chromium-based desktop platform for Autodesk web applications. In this hands-on individual contributor role, you will define the platform architecture, lead complex technical decisions, and guide engineers building … desktop platform engineering* **Cross-team integration and platform adoption - approximately 15%:** Work with product teams and Autodesk platform teams responsible for security, identity, software distribution, telemetry, crash reporting, graphics, and other shared capabilities* **Operational readiness and engineering quality - approximately 10%:** Partner with quality and release engineering to define release ...

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 ...

## 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 ...

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 ...

Posted: 2026-06-24 Country: United Kingdom Location: Manchester, Lancashire Position Role Type: Onsite Our client 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'll be a part of our experienced software dev function, working ...

Principal Software Engineer, Fullstack/Backend Technologies (UK Remote) Full-time When you join Turnitin, you'll be welcomed into a company that is a recognized innovator in the global education space. For more than 25 years, Turnitin has partnered with educational institutions to promote honesty, consistency … team members in over 35 countries including the United States, Mexico, United Kingdom, Australia, Japan, India, and the Philippines. We are looking for a Principal Software Engineer to join our Shared Services team and help shape the technical direction of core platform capabilities used across Turnitin products. ...

reaches broad release, tests it in practical scenarios, and feeds what we learn back into the teams building it. GTI is looking for a Principal Software Engineer to provide technical leadership across game-engine, graphics, and performance projects. The role combines hands-on engineering with architecture, mentoring … part of Arm’s Strategy & Ecosystems organisation and works with teams across graphics, machine learning, drivers, developer tools, and performance. Responsibilities The Principal Software Engineer will: Lead game-engine investigations and integrations involving new Arm graphics and compute technologies, including work in Unreal Engine and other commercial ...

client is a fast-growing UK engineering and software technology company located in Bristol. They are looking to hire a Principal Software Engineer to lead the design, architecture and development of their internal developer platform that all their engineering teams will utilise and depend on. … roll out coding agents across engineering workflows and own how and where they're used. Key skills/experience required: Substantial experience as a principal or staff software engineer, with experience of utilising a range of languages/tools/frameworks (Python, Go, Rust, AWS, Kubernetes ...

inhouse courses. You will have exposure to subject matter experts and additional online learning packages. The Role: Sirius Digital are a rapidly growing software and data science consultancy firm, renowned for our reputation and our keen ability to understand and meet customer requirements effectively. Our team is dedicated … delivering high-quality, end-to-end software and data science services. This role offers the opportunity to work with these teams to operate across multiple sectors, including defence, energy, transport and health, and contribute to the development of cutting-edge solutions. We are looking for principal software ...

Description The Opportunity Are you a Software Engineer with C++ experience looking for your next challenge? Here at Leonardo, we are seeking an experienced Principal Software Engineer to take on pivotal technical work within our Integrated Sensors & Protection line of business, working on a range … defence projects. Direct industry experience is not required; we are happy to explore all backgrounds and help develop all our software engineers. What you will do: We want to develop a new generation of features and capabilities using innovative software solutions and we need you to create them. ...

Description: The Opportunity Are you a Software Engineer with C++ experience looking for your next challenge? Here at Leonardo, we are seeking an experienced Principal Software Engineer to take on pivotal technical work within our Integrated Sensors & Protection line of business, working on a range … defence projects. Direct industry experience is not required; we are happy to explore all backgrounds and help develop all our software engineers. What you will do: We want to develop a new generation of features and capabilities using innovative software solutions and we need you to create them. ...

Principal Software Engineer, Backend - Full or Part Time Manchester You’ve probably heard of Autotrader, but do you know what we’re all about? We’re the UK’s leading automotive marketplace, a heritage brand, and a tech darling of the stock market. We bring together vehicle … vibrant place to work. We might not be for everyone, but we could be perfect for you. About the role We're looking for Principal Software Engineers to help us build a technology platform for more than just the needs of Autotrader.co.uk. Utilising our public-facing web services ...

Principal Software Engineer Location: London Permanent Onsite Due to the interesting work we do and the sector this team is working in, we require all candidates to hold an active eDV clearance for this role. About us At Raytheon UK, we take immense pride in being … customers to solve some of the toughest digital challenges faced in the world today. Role & Responsibilities You'll be part of our experienced software dev function, working in a cross-functional team, delivering and deploying critical software across a variety of business areas. Design and build software ...

Principal Software Engineer Location: London Permanent Onsite Due to the interesting work we do and the sector this team is working in, we require all candidates to hold an active eDV clearance for this role. About us At Raytheon UK, we take immense pride in being … customers to solve some of the toughest digital challenges faced in the world today. Role & Responsibilities You'll be part of our experienced software dev function, working in a cross-functional team, delivering and deploying critical software across a variety of business areas. Design and build software ...

inclusive employer and a member of myGwork – the largest global platform for the LGBTQ+ business community. Please do not contact the recruiter directly. Principal Security Software Engineer Description - HP Wolf Security is transforming endpoint security through hardware-enforced protection, isolation technologies, and cloud-connected security services. … solutions protect millions of users worldwide by integrating security directly into the hardware, firmware, and software of modern PCs. As part of the HP Wolf Security R&D organisation, you will help strengthen the security engineering practices that underpin our products, ensuring security is built into every stage ...