13 of 13 Principal Software Engineer Jobs in the UK excluding London

Principal Software Engineer | C++ | Python | Linux Oxfordshire | Hybrid £65,000pa plus benefits: Do you enjoy technically leading and mentoring a team of Software Engineers utilising C++ & Python on Linux, passing on your knowledge and experience to help nurture and develop future Engineers? If so, this Principal Software Engineer role will be perfect for … you. Our client has seen rapid growth over the last few years, and to help develop their talented team of Software Engineers, they now seek a Principal Software Engineer who can technically lead, mentor and develop during an exciting period of innovation.On a day-to-day basis you will develop and support software applications and … drivers for a range of products. You will be technically responsible for ensuring projects meet internal and external customer requirements and completing concept designs through to production. The successful Principal Software Engineer will need the following qualification, experience and skills: A degree in a Software Engineering, Mathematics or Science/Materials subject Experience in ARM based More ❯

Principal Software Engineer | C++ | Python | Linux Oxfordshire | Hybrid £65,000pa plus benefits: Do you enjoy technically leading and mentoring a team of Software Engineers utilising C++ & Python on Linux, passing on your knowledge and experience to help nurture and develop future Engineers? If so, this Principal Software Engineer role will be perfect for … you. Our client has seen rapid growth over the last few years, and to help develop their talented team of Software Engineers, they now seek a Principal Software Engineer who can technically lead, mentor and develop during an exciting period of innovation. On a day-to-day basis you will develop and support software applications … drivers for a range of products. You will be technically responsible for ensuring projects meet internal and external customer requirements and completing concept designs through to production. The successful Principal Software Engineer will need the following qualification, experience and skills: A degree in a Software Engineering, Mathematics or Science/Materials subject Experience in ARM based More ❯

Job Title: Principal Software Engineer (Cloud Applications) Location: Hybrid/Remote (Hemel Hempstead) Salary: £100,000 per annum Job Type: Full Time, Permanent Eckoh is a market leader of Customer Engagement Security Solutions, supporting an international client base from our offices in the U.S. and the U.K. Eckoh is owned by Bridgepoint one of the world's … the risk of fraud and data breaches, become compliant with security regulations, as well as enhancing their brand and increasing customer satisfaction. The Role: We're looking for a Principal Software Engineer with deep expertise in cloud-native application development, large-scale data systems, and modern AI technologies. This role goes beyond traditional engineering-you'll architect … ownership of designing distributed systems, APIs, and event processing platforms in a cloud-first environment, primarily on AWS. You'll collaborate across engineering and product to deliver high-performance software, working hands-on across the stack with languages like Node.js, Python, Nuxt, Vue and the range of AWS systems. Key Functional Responsibilities: Application & System Design: Architect and implement backend More ❯

Job Title: Principal Software Engineer (Cloud Applications) Location: Hybrid/Remote (Hemel Hempstead) Salary: £100,000 per annum Job Type: Full Time, Permanent Eckoh is a market leader of Customer Engagement Security Solutions, supporting an international client base from our offices in the U.S. and the U.K. Eckoh is owned by Bridgepoint one of the world's … the risk of fraud and data breaches, become compliant with security regulations, as well as enhancing their brand and increasing customer satisfaction. The Role: We're looking for a Principal Software Engineer with deep expertise in cloud-native application development, large-scale data systems, and modern AI technologies. This role goes beyond traditional engineering-you'll architect … ownership of designing distributed systems, APIs, and event processing platforms in a cloud-first environment, primarily on AWS. You'll collaborate across engineering and product to deliver high-performance software, working hands-on across the stack with languages like Node.js, Python, Nuxt, Vue and the range of AWS systems. Key Functional Responsibilities: Application & System Design: Architect and implement backend More ❯

Principal Backend Software Engineer/Developer (C# .Net Core Azure) Reigate/WFH to £95k Are you a backend focussed .Net technologist looking for an opportunity to work on cutting edge SaaS technology? You could be progressing your career in a senior hands-on role at a global InsurTech. As a Principal Backend Software Engineer … modern microservices You have experience of leading technical projects and promoting best practices You have excellent written and verbal communication skills What's in it for you: As a Principal Backend Software Engineer/Developer you will earn a competitive salary package including: Salary to £95k Bonus (c20%) 25 days holiday (and ability to buy more) Pension … Health Care, Life Assurance Enhanced maternity/paternity packages Professional training and career development Hybrid work from home (x2 days office) Apply now to find out more about this Principal Backend Software Engineer/Developer (C# .Net Core Azure) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths More ❯

Principal Embedded Software Engineer £70-90k Reading Remote, with occasional visits My client is an elite company providing media content solutions. Due to sustained success, they are expanding their R&D team. They're seeking a Principal Software Engineer with a strong background in embedded systems and a passion for solving complex technical … challenges in a high-performance environment. Key Responsibilities: Lead software architecture across the full stack, from UI and services to kernel-level development. Collaborate with hardware and FPGA teams to deliver tightly integrated, high-speed embedded systems. Mentor engineers, drive best practices, and contribute to recruitment and technical leadership. Essential Experience: 10+ years in C++ software development in … a Linux environment Experience building complex software for custom hardware, including device interfacing. Strong foundation in data structures, algorithms, and object-oriented design. Desirable Skills: Exposure to Qt, Yocto, Linux kernel, or device driver development. Knowledge of high-speed data, graphics processing, or networking (TCP/IP, multicast). Familiarity with Python, GitLab, or AWS What you'll get More ❯

Principal Embedded Software Engineer | £70-90k | Reading | Remote, with occasional visits My client is an elite company providing media content solutions. Due to sustained success, they are expanding their R&D team. They're seeking a Principal Software Engineer with a strong background in embedded systems and a passion for solving complex technical … challenges in a high-performance environment. Key Responsibilities: Lead software architecture across the full stack, from UI and services to kernel-level development. Collaborate with hardware and FPGA teams to deliver tightly integrated, high-speed embedded systems. Mentor engineers, drive best practices, and contribute to recruitment and technical leadership. Essential Experience: 10+ years in C++ software development in … a Linux environment Experience building complex software for custom hardware, including device interfacing. Strong foundation in data structures, algorithms, and object-oriented design. Desirable Skills: Exposure to Qt, Yocto, Linux kernel, or device driver development. Knowledge of high-speed data, graphics processing, or networking (TCP/IP, multicast). Familiarity with Python, GitLab, or AWS What you'll get More ❯

Principal Software Engineer Security Cleared (High Level of UK Government Security Clearance Required) Salary: up to £100k + Benefits Copello Global is supporting a confidential client within the defence/technology sector in their search for an experienced Software Engineer to join them in Cheltenham. This is an exciting opportunity to work with a global … leader on highly impactful mission-critical programmes. The Role Design, build, and maintain secure, scalable software Write, review code, and support CI/CD pipelines Break down complex features and manage them within Agile workflows Deliver technical demos to internal and external stakeholders Skills Required Proficiency in Java, Python, or JavaScript Experience with AWS or Azure Familiarity with Jenkins More ❯

Role: Principal Software Engineer Location: Hybrid in London Salary: £100,000 - £135,000 You will support in accelerating a new digital platform capability, transforming and modernising our digital estate to build a market-leading digital offering with customer experience at its heart. This is an exciting and key role, partnering with business aligned engineering and product teams More ❯

delighted to be partnering with this innovative tech organisation to build a high-performing engineering function. As they enter the next phase of growth, we're looking for a Principal Software Engineer with strong .NET and AWS expertise to lead development on key internal systems. This is a hands-on leadership role ideal for someone who enjoys More ❯

are curious, collaborative, and driven by the ambition to make investing accessible to everyone. We'd love for you to be part of our journey. About The Role As Principal Software Engineer in our Investment Tribe, you'll be a senior technical leader, guiding our move from a complex legacy estate to a modern, cloud-native architecture. More ❯

This position offers a roughly 80/20 split between hands-on embedded software development and leadership responsibilities, supporting a small team of 3-5 specialist software engineers. Projects are varied-ranging from short 2-day sprints to full-scale 2-year development programmes-across a wide range of industries. It's an excellent fit for someone with … solid embedded software experience and some exposure toleadership-whether direct orinformal-who's ready to take the next step. A broader understanding of cloud or application-level development is also useful, given the diversity of work. Location: Commute from Cambridge, Saffron Walden, Newmarket, Braintree, Hitchen, Harlow, St Neots, Bury St Edmunds, Chelmsford (Hybrid, 3 days onsite) Type: Permanent | Hands … on Technical + Leadership Other: No Visa sponsorship available The Opportunity This is a hands-on role combining software development with team leadership. You'll lead a small, close-knit sub-team within a larger multidisciplinary software group, contributing to the design and delivery of embedded systems for a range of real-world applications-from radar and sensing More ❯

strong Python and Java experience join an exciting SaaS business. This role offers technical growth, variety, and strong development opportunities. The company is a profitable, maturing technology business delivering software and AI-driven solutions for industrial sectors. In this role, you'll join an established development team in a hands-on position, leading and owning the technical roadmap and … debt, and helping scale and improve the reliability of the product's system. As a team lead, you'll mentor and provide technical guidance while working closely with the Software Engineering Manager. This role is fully office-based in London. The ideal candidate is a hands-on Software Engineer with strong experience in Java and Python, confident … on performance, efficiency, cost management, and reliability*Mentor and guide the development team while working closely with management*Fully office-based role in London The Person: *Experienced Hands-on Software Developer with strong Java and Python experience*Strong AWS cloud infrastructure and containerisation (Docker/Kubernetes)*Skilled in building and managing data ingestion and processing pipelines (Kafka/Spring More ❯