Principal Software Engineer jobs in Egham

Senior Mechanical Design EngineerAre you an experienced Mechanical Design Engineer looking to take ownership of complex, high-precision products from concept through to manufacture? This is an exciting opportunity to join a leading engineering and manufacturing business working on innovative electromechanical systems used globally.About the RoleYou’ll play a key role in designing and developing...

Principal Embedded Software Engineer £75,000 - £90,000 + equity London (3 days per week in office) Overview TalentEdge Technology are looking to hire a Senior Embedded Engineering Leader to take ownership of the firmware stack for a next-generation, AI-enhanced connected music hardware platform. This role is hands-on and deeply technical, suited to an engineer who enjoys working across the...

Join OCI's Edge Security team as a Principal Engineer to architect and deliver cloud-scale DDoS protection. You'll lead design for high-performance detection and mitigation systems, drive automation and operational excellence, and set the technical direction for customer-facing DDoS capabilities across OCI's global edge. Are you the right applicant for this opportunity Find out by reading...

Please note, this company is not able to offer a sponsorship visa at this time. We are seeking an experienced Principal or Associate Mechanical Design Engineer to join this dynamic team in the field of Building Services Engineering. As a key member of the organisation, you will play a crucial role in designing and optimising mechanical systems for large-scale projects. The successful candidate...

Staff-Principal Full Stack Engineer | Hyper-Growth Fintech & Tech-for-Good | Typescript, React.js, Node.js, Next.js | £110k-170k + Equity | 3 days hybrid in London Opportunity: We're supporting a hyper-growth fintech client that is also tech-for-good. They’ve got big hiring plans for the year and are currently looking for Staff & Principal Full Stack Engineers to join the team. You’ll be...

Job Role: Lead Software Engineer, React Native Job Type: Full Time, Permanent Location: London, Hybrid (3 office days a week) Role purpose As a valued member of our engineering team, you will contribute to the development of our innovative application using React Native. Working with a modern JavaScript stack, your primary focus will be on coding, testing, and enhancing the functionality of...

You will be in a client-facing role, attending project meetings and disseminating the brief to the project team. - Work with the team leader to help monitor fee expenditure, resources and work delivered. - Mentor and support our ‘next gen’ professionals, including apprentices and graduates.

Job Description Senior / Principal Electrical Engineer London | £55,000 - £65,000 | Building Services Consultancy I'm currently working with a well-established London-based building services consultancy that is continuing to grow its electrical team and is now looking to appoint a Senior or Principal Electrical Engineer. The business is known for delivering high-quality, technically robust...

Who We Are At CloudHQ, our mission is to deliver flexible, efficient, and resilient data center solutions to businesses worldwide. Founded by a pioneer in data center REITs, we are a rapidly growing organization with state-of-the-art data center sites globally, with locations in Ashburn, London, Frankfurt, Paris, Milan, Osaka, São Paulo, and more. As we embark on an exciting phase of global...

Principle Engineer This is a role for engineers who like big systems, hard problems, and meaningful ownership. You’ll be joining a team operating at the intersection of software, hardware, and AI. The engineering team is small, ambitious, and deeply technical, building the orchestration systems that keep thousands of GPUs running at peak performance across global data centres. About...

You will work independently and proactively on technical aspects from a projects inception, determining client briefs, to the delivery and close out of projects in accordance with best practice.

You will instruct, supervise and mentor junior staff in the design and management of schemes and work with clients to ensure delivery of projects to time and cost, and to help manage change.

Be the Driving Force in Power Projects – Principal Engineer (Civil/Structural) BakerHicks are looking for a Chartered Principal Civil or Structural Engineer to lead the delivery of power sector projects from either our London or Scotland office. This is a senior role where you’ll take ownership of projects, guide multi-disciplinary teams, and act as the key point of contact for clients. Key...

All3 is transforming how buildings are conceived, developed, and delivered. We combine AI-powered design with robotic prefabrication and on-site assembly to build custom architecture at the cost and speed of mass production — unlocking even the most complex sites. We’re currently seeking a Robotics Software Engineer to build the control software for electro-mechanical systems, develop tooling...

You will be responsible for building and maintaining business-critical systems, developing automation for deployment, monitoring, and incident response, and collaborating closely with developers, researchers, traders, and platform teams to improve reliability, performance, and scalability across the platform.

Build the engine behind the platform, transforming frontline access. At Cocentric, we’re scaling Connect – our flagship SaaS platform built to simplify workforce access, provisioning, and digital identity. From automated onboarding to secure SSO and real-time data integrations, Connect is helping frontline organisations empower their people at scale. We’re looking for a Software Engineer to...

Senior Software Engineer (Python - FastAPI) This fast-growing consultancy is pushing the boundaries of AI and data science, helping clients turn complex challenges into scalable, production-ready solutions. They’re now hiring a Senior Software Engineer who can blend deep technical expertise with a practical, delivery-focused mindset. Role Overview: Location: London (hybrid) Package:...

Senior Software Engineer (Node.js) London – Hybrid flexible Up to £80,000 + equity We’re currently partnered with a real-time sports data platform that is revolutionising how companies leverage data to empower their business. They are looking for a performance focused Senior Engineer with a passion for writing clean, efficient, and maintainable code. This is an exciting opportunity to join...

About Euphoric: Euphoric builds AI-first employee benefits administration software for the world’s largest and most prestigious employers. Born out of Peppy Health — a fast-growing, category-defining Series B startup — we spun out in May 2025 to tackle a far bigger opportunity. Global employers spend $3–5 trillion on benefits every year. It’s their second-largest cost after payroll — yet the...

🌱 Software Engineer | Energy & Climate Tech | London (Hybrid) A fast-growing energy technology company is building the intelligence layer for a cleaner, more resilient power grid - and they’re looking for engineers who want their code to have measurable, real-world impact. The team is developing large-scale optimisation systems that coordinate EV charging, home batteries, and heating to...

You will be the technical lead on residential sector projects, ranging from small to large-scale housing developments. Your responsibilities will include: - Delivering flood risk advice to support planning applications (FRA preparation) - Designing strategic highways and drainage infrastructure