1 to 25 of 69 Principal Software Engineer Jobs in the UK

Principal Software Engineer (Go/Systems) 🚀 Series B Scale Up 🔬 Life Sciences Salary : £170,000 plus package Location : Angel (3 days per week in office) Requirements : Backend engineering specialist, with expertise in Golang, Python, Rust, Kubernetes The Mission: Orchestrating Physical Reality 🤖 I am working with a Series … raised) disrupting the Life Sciences sector by building a cloud-to-hardware "Operating System" that automates human health. They are looking to hire a Principal Software Engineer who will be the technical heavyweight that 5–6 Staff Engineers rally behind. ⚡ The Technical Core The ecosystem is built ...

looking for a fantastic Principal Software Engineer opportunity in High Wycombe? If so, my client is currently recruiting for a Principal Software Engineer to join their R&D site in High Wycombe, Buckinghamshire My client design and manufacture a range of products and systems … focusing on Instrumentation, but you do need a strong background in embedded software and architecture. Main requirements for the Principal Software Engineer job will be: - You will be responsible for the software architecture for their products/systems. - You will have a strong Agile/ ...

Principal Software Engineer/Developer (Java SpringBoot AWS) London/WFH to £120k Are you an experienced Java focussed Software Engineer, with technical project leadership and client facing skills? You could be progressing your career at a global technology consultancy. As a Principal Software Engineer you will lead client projects, often long term technical transformations, designing, developing and delivering a range of projects for clients, mainly within the financial services sector and with a focus on migrating legacy systems to AWS and introducing CI/CD pipelines and cloud deployments. ...

Senior Software Engineer/Principal Software Engineer- C++, Python - Financial/Banking. Candidates will have a minimum 8+ years C++ experience and excellent knowledge of Python -coming from a Financial/Banking background with knowledge of Equities, Futures & Options and Fixed Income and Exchange Connectivity. … work with the Product, Infrastructure and QA teams, to produce high performance, low latency and highly reliable code. Your goal will be to develop software which handle large amount of TPS to drive a highly efficient technology used by several markets around the world. To be successful in this ...

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 ...

Senior Principal Software Engineer page is loaded## Senior Principal Software Engineerremote type: Hybridlocations: Tewkesbury, GBR: Wolverhampton, GBRtime type: Full timeposted on: Posted Todayjob requisition id: R-26-17307Moog is a performance culture that empowers people to achieve great things. Our people enjoy solving interesting … 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:**Director, Eng. Sys. Def. & Integ.**Work Schedule:**Hybrid – Tewkesbury, GBR**About Moog Aircraft Group**Moog Aircraft Group ...

Senior Principal Software Engineer page is loaded## Senior Principal Software Engineerremote type: Hybridlocations: Tewkesbury, GBR: Wolverhampton, GBRtime type: Full timeposted on: Posted Todayjob requisition id: R-26-17307Moog is a performance culture that empowers people to achieve great things. Our people enjoy solving interesting … 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:**Director, Eng. Sys. Def. & Integ.**Work Schedule:**Hybrid – Tewkesbury, GBR**About Moog Aircraft Group**Moog Aircraft Group ...

Principal Embedded Software Engineer | £80-90k | 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 – Platform/Distributed Systems - GO/Python Location: London (Hybrid – 3 days on‐site) Salary: £130,000 – £170,000 + ~15% bonus I’m recruiting on behalf of a high‐growth, product‐led technology company operating at the intersection of cloud software, distributed … leadership role for someone who wants real architectural authority, hands‐on impact, and influence over both technology direction and senior engineers. The role As Principal Software Engineer, you’ll act as the technical backbone of the organisation – defining architecture, setting engineering standards, and guiding platform evolution ...

Principal Embedded Software Engineer Location: Fareham, Hampshire (Hybrid working available) Salary: £70,000 – £80,000 Job Type: Full-time, Permanent Visa Sponsorship Available An advanced technology company based in Fareham, Hampshire is looking to recruit a Principal Embedded Software Engineer to join its growing … engineering team. This is a senior-level opportunity for an experienced engineer to lead the development of embedded software and algorithms, working across the full product lifecycle while mentoring engineers and driving technical excellence. The Role As a Principal Embedded Software Engineer, you will take ...

Principal Software Engineer - C++ Robotics System London, United Kingdom | Posted on 21/04/2026 About the Company At sees.ai, we’ve built a system that enables unmanned aerial systems to carry out inspections of critical national infrastructure, making these missions repeatable, scalable, and commercially viable … prototype or a simulation. It’s a complex, integrated system already deployed and working in the field, solving real operational problems. Overview Principal Robotics/C++ Software Engineer – London (Hybrid) Define how a complex, real-world system scales — technically and organisationally. Now, following a major contract with ...

Principal Software Engineer – C++ and Rust - is required by highly successful and fast growing technology consultancy.They build data, AI and software solutions for clients in a broad range of industries, working on demanding problems in challenging environments. The role They are looking for a Principal Software Engineer to lead delivery on demanding software projects. This role is focused on C++ and Rust development. This is a hands-on role for an experienced engineer who wants to stay close to the code. You'll lead a team ...

Principal Software Engineer C++ and Rust - is required by highly successful and fast growing technology consultancy. They build data, AI and software solutions for clients in a broad range of industries, working on demanding problems in challenging environments. The role They are looking for a Principal Software Engineer to lead delivery on demanding software projects. This role is focused on C++ and Rust development. This is a hands-on role for an experienced engineer who wants to stay close to the code. You'll lead a team ...

Principal Software Engineer C++ and Rust -is required by highly successful and fast growing technology consultancy. They build data, AI and software solutions for clients in a broad range of industries, working on demanding problems in challenging environments. The role They are looking for a Principal Software Engineer to lead delivery on demanding software projects. This role is focused on C++ and... LFWQ1_UKTJ ...

## Principal AI Software Engineer, Senior Vice PresidentApplyremote type: Hybridlocations: London United Kingdomtime type: Full timeposted on: Posted Todaytime left to apply: End Date: May 25, 2026 (13 days left to apply)job requisition id: 26960138Are you looking for a career move that will … heart of a global financial institution? We are seeking an exceptionally skilled Principal AI Software Engineer to architect and implement robust, scalable backend systems that power our advanced AI tools and services. This hands-on individual contributor role demands expert knowledge of Python fundamentals, a profound understanding ...

Principal Embedded Software Engineer Bristol (Hybrid) Salary: Up to £80,000 Im currently recruiting on behalf of a highly innovative technology business working at the forefront of embedded safety-critical systems . This is an excellent opportunity for an experienced Senior Principal Embedded Software Engineer to lead the development of cutting-edge real-time software used in complex regulatedenvironments. The Role Youll take ownership of a team developing a safety-critical Real-Time Operating System (RTOS) used across advanced engineering sectors. This is a leadership role combining hands-on technical expertise with team ...

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 ...

looking for a fantastic Principal Software Engineer opportunity in High Wycombe? If so, my client is currently recruiting for a Principal Software Engineer to join their R&D site in High Wycombe, Buckinghamshire My client design and manufacture a range of products and systems … focusing on Instrumentation, but you do need a strong background in embedded software and architecture click apply for full job details ...

Principal Software Engineer Salary: Negotiableplus 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. We are looking ...

Principal Full Stack Software Engineer Location: Hybrid - 1-2 days a week Salary: £110-130k + 10% Bonus Type: Permanent No Sponsorship Available Overview: We are seeking a Principal Full Stack Software Engineer to lead the design, development, and delivery of scalable, high … This is a senior, hands-on leadership role where you will shape technical direction, influence engineering standards, and drive best practice across the full software development lifecycle. You will work closely with product, architecture, and leadership teams to deliver robust, user-centric solutions while mentoring engineers and fostering ...

Principal Full Stack Software Engineer Location: Hybrid - 1-2 days a week Salary: £(Apply online only)k + 10% Bonus Type: Permanent No Sponsorship Available Overview: We are seeking a Principal Full Stack Software Engineer to lead the design, development, and delivery of scalable … This is a senior, hands-on leadership role where you will shape technical direction, influence engineering standards, and drive best practice across the full software development lifecycle. You will work closely with product, architecture, and leadership teams to deliver robust, user-centric solutions while mentoring engineers and fostering ...

Principal Embedded Software Engineer Winfrith, Dorset (hybrid working, 3 days per week onsite) – Permanent vacancy We are looking for a Principal Embedded Software Engineer to work for our maritime defence client TKMS Atlas across a range of new projects, such as underwater vehicle control … systems and sonar equipment. You will be hired as an experienced engineer to play a senior technical hands-on role in the team, with the potential to take on team leadership responsibility should you wish to. This role combines hands-on expertise with the potential for strategic leadership, establishing ...

Principal Embedded Software Engineer Location: Fareham, Hampshire (Hybrid working available) Salary: £70,000 £80,000 Job Type: Full-time, Permanent Visa Sponsorship Available An advanced technology company based in Fareham, Hampshire is looking to recruit a Principal Embedded Software Engineer to join its growing … engineering team. This is a senior-level opportunity for an experienced engineer to... CRWG1_UKTJ ...

Principal Embedded Software Engineer Please read the information in this job post thoroughly to understand exactly what is expected of potential candidates. Location: Fareham, Hampshire (Hybrid working available) Salary: £70,000 – £80,000 Job Type: Full-time, Permanent Visa Sponsorship Available An advanced technology company based … Fareham, Hampshire is looking to recruit a Principal Embedded Software Engineer to join its growing engineering team. This xkybehq is a senior-level opportunity for an experienced engineer to Please click on the apply button to read the full job description ...

Principal Embedded Software Engineer Location: Fareham, Hampshire (Hybrid working available) Salary: £70,000 - £80,000 Job Type: Full-time, Permanent Visa Sponsorship Available An advanced technology company based in Fareham, Hampshire is looking to recruit a Principal Embedded Software Engineer to join its growing ...