51 to 75 of 214 Principal Engineer Jobs in the UK

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 ownership of the design ...

Principal Data Engineer Salary: £125,000 + Benefits/Bonus Own the rebuild of a modern data platform from the ground up. Were working with a business in the middle of a high-impact data transformationmoving away from legacy constraints towards a scalable, cloud-first architecture. Theyre looking … Principal Data Engineer to take a leading role in that journey. This isnt a role where you inherit a polished environment. Its an opportunity to shape, modernise, and influence from refactoring legacy pipelines to building best-in-class data products using tools like Databricks, Azure, and GCP. Youll ...

Principal Security Engineer Location: Remote UK/Euro Reporting line: Chief Risk Officer About Auros Auros is a global digital asset liquidity provider operating 24/7 across centralised and decentralised markets. We run high-availability, low-latency systems where resilience and risk discipline matter. Security is treated … core engineering and risk function, with direct engagement from senior leadership. The Role We're hiring a hands-on principal security engineer to implement and operate security controls across our infrastructure. This is a technical execution role where you'll be writing code, configuring systems, and shipping security ...

Principal DevOps Engineer (Platform Architecture & Software Delivery) Salary: Up to £120,000 Location: UK or Ireland preferred (remote) Type: Permanent We are working with a global technology company in the payments and financial services space that is continuing to scale its engineering organisation following a number of strategic … priorities is bringing multiple engineering environments and delivery pipelines into a more consistent and automated DevOps platform. To support this, they are hiring a Principal DevOps Engineer who will play a key role in designing how software moves through the organisation - from development laptop ...

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 of 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 projects tend ...

Principal Engineer | Linux Drivers | Cambridge Telecoms The Oho Group have partnered with a global telecommunications firm looking for an experienced Embedded Software Engineer to lead low-level device driver software development. This role offers unique ownership of advanced, mission-critical communication systems. What ...

Principal AI Engineer | Up to £120,000 + Bonus | London (Hybrid) You’ll play a key role in building and shaping a brand-new AI capability within a well-established, global engineering and technology consultancy. You’ll operate as a senior, hands-on AI engineer, delivering production … practical, commercially valuable way. Stack: Python, PyTorch, LLMs, TensorFlow, scikit-learn, MLOps tooling What do you need? Strong experience as an AI Engineer/ML Engineer delivering production systems Hands-on experience with ML frameworks (PyTorch, TensorFlow, scikit-learn) Proven experience deploying models into live environments Strong understanding ...

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-performance applications … decisions and long-term roadmap planning Ensure high levels of system reliability, performance, and security Required Skills & Experience: Extensive experience as a Full Stack Engineer with a strong track record in senior or principal-level roles Expertise in JavaScript/TypeScript and modern frontend frameworks (e.g., React, Angular ...

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, high-performance … decisions and long-term roadmap planning Ensure high levels of system reliability, performance, and security Required Skills & Experience: Extensive experience as a Full Stack Engineer with a strong track record in senior or principal-level roles Expertise in JavaScript/TypeScript and modern frontend frameworks (e.g., React, Angular ...

Principal Engineer - Software Assurance 65.98 p/hr - Inside IR35 12 months Defence 1-2 days a month on site, Coventry, Barrow, Frimley or Weymouth Our complex platforms are increasingly driven by Software, assuring the quality of this and the proper integration is critical to our success. Software ...

Description Principal Engineer | TypeScript, Node, Azure | Global Environmental Data Non-Profit Powering Investment Decisions Salary: £75,000 £100,000 Hybrid (2 days a month London office) Im working with a genuinely purpose-led organisation that sits right at the intersection of data, climate, and global finance. Theyve built ...

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 … 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 the processes ...

Principal AI Engineer – London (Hybrid) | Python, LLMs, AI Strategy We’re partnered with a growing AI consultancy looking for a Principal AI Engineer to lead the design and delivery of enterprise-scale AI solutions for major clients. This role combines deep technical expertise, architectural leadership … production AI infrastructure Comfortable operating in client-facing and strategic consulting environments 📍 London hybrid working (Tue–Thu onsite) 💰 Up to £135k + bonus Principal AI Engineer – London (Hybrid) | Python, LLMs, AI Strategy ...

Principal Software Engineer - Up to £270k - Series A Scale-Up - Python, AWS I’m working on a really interesting platform scaling hire for a fast-growing Series A AI/fintech company in London. They’ve built a product that processes millions of sensitive financial documents for lenders … built for scale.” This role will work closely with the CTO and Head of Engineering and take real ownership of the core backend systems. Principal Software Engineer - Up to £270k - Series A Scale-Up - Python, AWS Key challenges include: • Designing backend abstractions so a small engineering team ...

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 ...

Principal AI & Machine Learning Engineer – Director level Synchro have partnered with a large and very well-known organisation and we are hiring for a director level Lead/Principal Engineer to lead a small, high-impact team of specialists responsible for developing AI capabilities across … models and ML pipelines Experience with distributed computing patterns for model training, serving, and state persistence PhD with academic research experience Role Summary Role: Principal AI & Machine Learning Engineer – Director level Location: London – Onsite, with flexible working (as detailed above) Salary/Package: Market-leading and fully negotiable ...

Principal AI Engineer | AI Tech Start-Up | Up to £120,000 + Shares | London/Hybrid (1 Day Office) We’re partnering with a fast-growing AI tech scale-up expanding its team, who are hiring for a Principal AI Engineer. This is a rare opportunity … provide always-on, intelligent insights — supporting leading clients across financial services, retail, FMCG, pharma, and beyond to enhance performance and efficiency. The Role As Principal AI Engineer, you’ll lead the delivery of Agentic AI solutions post-sale, owning client projects from design through to deployment. This ...

Title: Principal Engineer Safety Engineering (Safety Requirements) Location: Weymouth, Hybrid We offer a range of hybrid and flexible working arrangements please speak to your recruiter about the options for this particular role. Salary: Negotiable depending on experience Who we are: Join BAE Systems and youll be part ...

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's products ...

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's products ...

supportive, and people-focused company? Above all, we are seeking creative and committed individuals-so come and join our 8,000 passionate employees! Assistant Principal Systems Engineer Gloucester UK Hybrid Looking after the people who make Safran great is our priority. We offer a range of flexible benefits … where we can all succeed together through a shared vision We are looking for passionate individuals to join our Engineering team as a Assistant Principal Systems Engineer at our Gloucester site. Safran Landing Systems are a global leader in aircraft landing and braking systems, from commercial and business ...

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 of next … 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 Hardware Engineer Location: Stafford (Hybrid - 3 days per week in the office) Salary: Up to 65,000 (depending on experience) Contract: Full-time About the Role We are seeking an experienced Principal Hardware Engineer to take full technical ownership across a portfolio of complex engineering ...

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 … sonar equipment. You will be hired as an experienced xkybehq engineer to play a senior technical hands-on r Apply fast, check the full description by scrolling below to find out the full requirements for this role. Please click on the apply button to read the full job description ...

Principal DevOps Engineer (Azure) Remote - London Victoria (1 day/month) Salary Up to £80,000 We’re hiring a Principal DevOps Engineer with strong Azure expertise to lead DevOps strategy and delivery in a modern cloud environment. This is a hands-on leadership role owning ...