1 to 25 of 84 Principal Software Engineer Jobs in the UK

Principal Software Engineer – C++ Salary - £65K-£85K negotiable depending on experience plus competitive benefits package including pension, 25 days holiday and life assurance. Location – Portsmouth, Hants, Hybrid Our client is a rapidly growing software and data science consultancy firm, renowned for their reputation and keen ability … understand and meet customer requirements effectively. Their team is dedicated to 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 ...

Principal Software Engineer/Developer (Node.js Golang API) London onsite Do you have experience of designing and implementing scalable solutions to handle high throughput systems? You could be progressing your career in a senior, hands-on Principal Software Engineer role at a global cryptocurrency … that is experiencing great success and is growing as a result, the systems currently deal with multiple billions of events per month. As a Principal Software Engineer you will collaborate across various technical teams in the business, overseeing technical standards and driving excellence. You'll develop ...

hiring a Principal Software Engineer to join a global technology business based in Buckinghamshire . The company designs and builds high-precision laboratory instruments used in science, healthcare, and environmental testing Please note: NO SPONSORSHIP IS PROVIDED WITH THIS POSITION What You’ll Do as a Principal Software Engineer: Lead the design and architecture of software systems across the full stack, from embedded C/C++ firmware controlling hardware to high-level C#/.NET applications. Mentor and guide a multidisciplinary team of software, firmware, and electronics engineers. Apply physics-based thinking ...

Principal Software Engineer Salary: Negotiable plus benefits, pension (7% contribution), 25 days holiday & life insurance We are looking for principal software engineers with diverse experience. We are a small but rapidly growing consultancy, owned highly experienced and recognised practitioners in UK defence consultancy. … looking for candidates with a mix of technical expertise and interpersonal skills, able to work independently and in small teams. The Role: As a Principal Software Engineer, you will play a major role in leading and developing software engineering in the Software Modelling and Simulation ...

Principal Embedded Software Engineer | £80-85k | Cambridge An exciting medium-sized consultancy is looking for an experienced software engineer to join their driven & motivated team. Youll report directly to the Head of Engineering and have a significant degree of authority over the architecture … each project. This is a fantastic opportunity for a software engineer with previous consultancy experience who wants to join a team where they can have a real impact every day and lead a team of multidisciplinary engineers, without the line management side of things. A lot of their ...

Principal Software Engineer Hours: 40h p/w Location: Hybrid or Remote Salary:60k-70k Build the platforms that power better travel money At eurochange , we’re transforming foreign exchange — making it better, simpler and more convenient for millions of customers. Technology is at the heart … that journey, and we’re looking for a Principal Software Engineer to help shape the platforms that drive our digital future. This is a senior, hands-on technical leadership role where you’ll influence architecture, guide engineering standards, and deliver enterprise-grade solutions that scale with ...

Principal Software Enginee r Location: London (Hybrid – approx. 1–2 days per month onsite) Contract: Permanent, Full-time Package: £80,000–£100,000 + 10% bonus + 10% share options + benefits Eligibility: UK Security Clearance (SC) eligibility required The Opportunity We’re working with a specialist cloud … platform engineering consultancy that partners with organisations across regulated and public-sector environments to modernise how software is built and operated. The business is expanding its software engineering capability and is hiring a Principal Software Engineer to play a key role in shaping technical direction ...

Principal Software Engineer/Developer (TypeScript Node React AWS) London/WFH to £110k Are you a full stack technologist? You could be progressing your career in a hands-on technical leadership role at a well established consumer facing financial services company that help people to manage … volunteering days per year Opportunity to make an impact as part of new team in a role you can shape Your role: As a Principal Software Engineer you will act as a technical authority and role model for engineers across engineering teams/Agile Squads, helping them ...

Elasticsearch – Principal Software Engineer II – Storage Engine Join to apply for the Elasticsearch – Principal Software Engineer II – Storage Engine role at Elastic Elastic, the Search AI Company, enables everyone to find the answers they need in real time, using all their data, at scale … based solutions for search, security, and observability help organizations deliver on the promise of AI. What is The Role We’re looking for a Principal Software Engineer II to join the Elasticsearch – Storage Engine team. This globally-distributed, completely remote team of senior engineers is responsible ...

title: Principal Software Engineer Location: Oxford - Hybrid Salary: up to £75,000 Job Type: Permanent Organisation Overview Our Client operates within the high-tech instrumentation sector, specialising in advanced measurement solutions for scientific and industrial applications. Recognised for its innovative approach and commitment to excellence, Our Client … culture that encourages professional development and teamwork. Role Summary Due to ongoing growth and strategic development initiatives, Our Client is seeking an experienced Principal Software Engineer to lead the development of sophisticated software applications and drivers for its range of specialised products. This pivotal role ...

Manufacturing Futures seek to appoint a Principal Embedded Software Engineer working predominantly in embedded C. It's a really exciting time to join a market leader in a rapidly growing industry with an ever growing customer base. You will take the lead on your own projects … part of an inter-disciplinary engineering team, regularly liaising with mechanical, electronics and electrical engineers. This Principal Embedded Software Engineer role is a hands-on design position developing embedded software but it would be beneficial if you had previous experience supervising a team. Career progression ...

Principal Software Engineer Edinburgh An innovative and well-established med tech company are seeking a proven technical leader to join its R&D team basedin central Edinburgh as a Principal Software Engineer. This is a unique opportunity to play a key role in the development … remain hands on and ship code whilst making key architectural decisions, driving the roadmap, and contributing to building a high performing dev culture ...the Principal role is ideal. You will be part of a cutting-edge company at the forefront of healthcare technology. Contribute to a high-performance culture ...

Principal Software Engineer Edinburgh An innovative and well-established med tech company are seeking a proven technical leader to join its R&D team basedin central Edinburgh as a Principal Software Engineer. This is a unique opportunity to play a key role in the development … remain hands on and ship code whilst making key architectural decisions, driving the roadmap, and contributing to building a high performing dev culture ...the Principal role is ideal. You will be part of a cutting-edge company at the forefront of healthcare technology. Contribute to a high-performance culture ...

Principal Software Engineer Edinburgh An innovative and well-established med tech company are seeking a proven technical leader to join its R&D team basedin central Edinburgh as a Principal Software Engineer. This is a unique opportunity to play a key role in the development … remain hands on and ship code whilst making key architectural decisions, driving the roadmap, and contributing to building a high performing dev culture ...the Principal role is ideal. You will be part of a cutting-edge company at the forefront of healthcare technology. Contribute to a high-performance culture ...

Principal Software Engineer Edinburgh An innovative and well-established med tech company are seeking a proven technical leader to join its R&D team basedin central Edinburgh as a Principal Software Engineer. This is a unique opportunity to play a key role in the development … remain hands on and ship code whilst making key architectural decisions, driving the roadmap, and contributing to building a high performing dev culture ...the Principal role is ideal. You will be part of a cutting-edge company at the forefront of healthcare technology. Contribute to a high-performance culture ...

Principal Software Engineer – Manchester – eCommerce - 90k+10% Bonus Great opportunity for a Principal Software Engineer to join a Manchester based eCommerce giant as they work on a large-scale digital re-platform across the estate to MACH and Event-Driven Architecture. Key Technical Skills JavaScript ...

Principal Software Engineer - Manchester - eCommerce - 90k% Bonus Great opportunity for a Principal Software Engineer to join a Manchester based eCommerce giant as they work on a large-scale digital re-platform across the estate to MACH and Event-Driven Architecture. Key Technical Skills JavaScript ...

Principal Software Engineer Fully Remote | Permanent | £80,000 - £110,000 Harrington Starr has partnered with a leading Global Payments Technology company who are seeking to hire a Principal Software Engineer to join their senior engineering leadership team. This is a rare opportunity to combine … performance systems at global scale. Career progression in a fast-growing international technology business. Key skills required: 10+ years’ experience in enterprise architecture and software engineering. Proven expertise in .NET with strong SaaS and API platform experience. Hands-on track record designing highly scalable, high-performance systems. Strong leadership ...

Principal Software Engineer – Manchester – eCommerce - 90k+10% Bonus br br br Great opportunity for a Principal Software Engineer to join a Manchester based eCommerce giant as they work on a large-scale digital re-platform across the estate to MACH and Event-Driven Architecture. ...

Principal Software Engineer Portsmouth | Hybrid, 3 days onsite £75,000-£85,000 plus bonus and benefits This Principal Software Engineer role is designed for a hands-on technical leader with strong C++ and Unreal Engine expertise, working at the forefront of complex, performance-critical … software delivery. The role combines advanced engineering with genuine technical authority, shaping how simulation-driven and autonomy-focused systems are designed, built and evolved. The position sits within a fast-growing software and data science consultancy delivering end-to-end solutions across defence, energy, transport and health. ...

Principal Software Engineer – AI & Innovation Recruiting a Principal Software Engineer with a proven track record of delivering innovative, AI driven solutions and the curiosity to explore beyond traditional technology boundaries. Within the newly createdAI & Innovation team, you will shape the future of the organisation … create something new. Key Responsibilities Build innovative MVPs to validate ideas and accelerate learning Lead the design and implementation of scalable, high-performance software systems Collaborate closely with Product, Design, QA, and Engineering teams Evaluate, experiment and recommend new technologies, frameworks and tools Mentor and coach engineers to create ...

Principal Software Engineer – AI & Innovation Recruiting a Principal Software Engineer with a proven track record of delivering innovative, AI driven solutions and the curiosity to explore beyond traditional technology boundaries. Within the newly createdAI & Innovation team, you will shape the future of the organisation … create something new. Key Responsibilities Build innovative MVPs to validate ideas and accelerate learning Lead the design and implementation of scalable, high-performance software systems Collaborate closely with Product, Design, QA, and Engineering teams Evaluate, experiment and recommend new technologies, frameworks and tools Mentor and coach engineers to create ...

Principal Software Engineer - AI & Innovation Recruiting a Principal Software Engineer with a proven track record of delivering innovative, AI driven solutions and the curiosity to explore beyond traditional technology boundaries. Within the newly createdAI & Innovation team, you will shape the future of the organisation ...

Principal Software Engineer Portsmouth Hybrid, 3 days onsite £75,000-£85,000 plus bonus and benefits This Principal Software Engineer role is designed for a hands-on technical leader with strong C++ and Unreal Engine expertise, working at the forefront of complex, performance-critical … software delivery. The role combines advanced engineering with genuine technical authority, shaping how simulation- click apply for full job details ...

Elasticsearch - Principal Software Engineer II - Storage Engine 1 day ago Be among the first 25 applicants Get AI-powered advice on this job and more exclusive features. Elastic, the Search AI Company, enables everyone to find the answers they need in real time, using all their data … based solutions for search, security, and observability help organizations deliver on the promise of AI. What is The Role? We're looking for a Principal Software Engineer II to join the Elasticsearch - Storage Engine team. This globally‐distributed, completely remote team of senior engineers is responsible ...