26 to 50 of 201 Principal Engineer Jobs in the UK

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. We are looking … 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, autonomy and geospatial fields, along ...

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 of 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 our ambitions. What ...

Principal Engineer (Education) Competitive + Bonus + Benefits UK, Remote Permanent full time Summary The Principal Software Engineer role is a key role in the IRIS Engineering Organization and is one of the keystones in the delivery of World-Class Customer Products, Developer experience ...

Thomas Search are delighted to be partnering with a leading defence research & development organisation who is looking for a Principal Systems Engineering Team Leader in Hampshire. This is an exciting leadership opportunity to work across ground-breaking innovations and be part of a growing professional community. The Role … Principal Systems Engineer you will lead a team of Systems Engineers and operate working across multiple projects delivering your own portfolio of work. Day-to-day, you will assimilate a broad view of programmes, technical challenges and deliver systems engineering artefacts across multiple projects showing a deep interest ...

Thomas Search are delighted to be partnering with a leading defence research & development organisation who is looking for a Principal Systems Engineering Team Leader in Hampshire. This is an exciting leadership opportunity to work across ground-breaking innovations and be part of a growing professional community. The Role … Principal Systems Engineer you will lead a team of Systems Engineers and operate working across multiple projects delivering your own portfolio of work. Day-to-day, you will assimilate a broad view of programmes, technical challenges and deliver systems engineering artefacts across multiple projects showing a deep interest ...

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 to develop algorithms ...

Principal Engineer – Life saving Oncology business (no previous medical experience required) Location: Maidstone Innovation Centre (Onsite) Salary: £100,000+ (there is flexibility on this for the right person)+ Benefits Job Type: Full-time, Permanent We’re partnering with a well-established, boutique medical product development company that … medical equipment including cancer treatment and radiation therapy – making a real difference in the field of oncology. 🧠 What You’ll Be Doing: As the Principal Embedded Software Engineer, you’ll take technical ownership of the embedded software platform, working with cross discipline engineers, teams and product designers ...

Principal Java Engineer Java | Kotlin | Cloud Native At a glance Principal level backend role with architectural ownership Java and Kotlin microservices in a cloud native environment Hybrid working in Belfast Salary up to £80k plus bonus The role As a Principal Java Engineer, you will … area, shaping architecture, guiding engineering standards and influencing how scalable backend systems are designed and delivered. You will work closely with Senior, Staff and Principal Engineers across Belfast and the wider global engineering organisation, contributing to large scale distributed systems while acting as a technical authority within the team. ...

experienced Principal Firmware Engineer ready to take ownership of firmware strategy and delivery for cutting-edge laser and photonics systems? This is a senior, high-impact role where you'll lead firmware development for advanced embedded platforms supporting industries such as medical devices, life sciences, semiconductors, space … firmware standards, drive innovation, and mentor teams while delivering robust, high-quality embedded solutions that meet customer and business objectives. Key responsibilities of the Principal Firmware Engineer job based in Southampton: Lead the research, development, testing, and maintenance of firmware for new and existing laser systems. Drive ...

Principal Backend Engineer London (Occasional travel) Salary: £95,000 - £120,000 + RSU's + Benefits An established, global technology business within the hospitality-tech industry is seeking an accomplished Principal Software Engineer to lead the design and delivery of next-generation digital solutions. This … successful? Degree in Computer Science or equivalent hands-on experience. 7+ years' experience in backend software development, including several years in a senior or principal-level engineering role. Expertise in Python (or a similar backend language), with proven experience designing distributed systems, APIs, and microservices at scale. Deep understanding ...

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/Typescript ...

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/Typescript ...

Principal Support Engineer Location: Hybrid role with some on-site expectations We seek an engineer with recent high-integrity or safety-critical industry experience (defence, aerospace, or similar), or eligible for UK security clearance. Overview The Principal Support Engineer is a senior technical authority within ...

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/Typescript ...

Principal Support Engineer Location: Hybrid role with some on-site expectations We seek an engineer with recent high-integrity or safety-critical industry experience (defence, aerospace, or similar), or eligible for UK security clearance. Overview The Principal Support Engineer is a senior technical authority within ...

Principal Android Engineer London (Hybrid) Up to £125,000 + Benefits We’re partnering with a leading UK financial services organisation as they look to bring in a Principal Android Engineer who will help shape the next generation of their mobile customer experience. This ...

Principal Python Engineer London | Permanent | Hybrid Ncounter is supporting a global investment firm in hiring a Python Developer to help design and evolve internal compute frameworks that underpin their trading and research platforms. This is a high-impact role, working at the intersection of software engineering and distributed … offers the chance to work on complex technical challenges at scale, with direct impact on high-performance computing platforms. If youre a skilled Python engineer with distributed systems expertise and want to join a world-class engineering environment, apply today for a confidential conversation. ...

Principal Software Engineer Fully Remote | Permanent | £85,000 - £115,000 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 hands ...

Role: Principal Engineer Location: Hybrid ( Tunbridge Wells, Leeds, Middlesbrough, Bristol and Bournemouth) Salary: £100,000+ We have an exciting opportunity for two Principal Engineers to join a large UK-based health and insurance organisation. This is a fantastic chance to work in a product-led operating model ...

PRINCIPAL DATA ENGINEER £80,000 + BENEFITS LEEDS (Hybrid) Looking for a role where you can truly influence how data engineering is done-while still getting stuck into the tech yourself? THE COMPANY: I'm working with a central data function in the financial services industry that … Collaborate with non-technical stakeholders to ensure delivery aligns to business needs Stay close to the ML lifecycle YOUR SKILLS AND EXPERIENCE: A successful Principal Data Engineer will have the following skills and experience: Strong hands-on experience with Azure Proficient in Databricks Skilled in Terraform and Infrastructure ...

Principal Security Engineer The Role: Synoptix are expanding their Cyber Security capability by applying it to Systems Thinking, allowing for delivery of Cyber Security Solutions to both defence and commercial clients. We're looking for a technically strong, client-focused Principal Security Engineer to support ...

Principal Engineer - Full-Stack (Java & React) Up to £130,000 - London - 3 days per week onsite Harvey Nash have partnered with a global consultancy that helps major organisations modernise their technology, build scalable digital products, and tackle complex engineering challenges click apply for full job details ...

Principal Python Engineer London Permanent Hybrid Ncounter is supporting a global investment firm in hiring a Python Developer to help design and evolve internal compute frameworks that underpin their trading and research platforms. This is a high-impact role, working at the intersection of software engineering and distributed ...

Principal Backend Engineer London (Occasional travel) Salary: £95,000 - £120,000 + RSU's + Benefits An established, global technology business within the hospitality-tech industry is seeking an accomplished Principal Software Engineer to lead the design and delivery of next-generation digital solutions click apply ...

Principal AWS Platform Engineer Location: Hybrid - 1 day a week onsite in London £90,000 - £120,000 + Bonus + Equity Tech: AWS/DevOps/Kubernetes/Terraform/IaC/Networking Overview We have an extremely exciting opportunity for a Principal position with … considering a career move, this is (almost certainly) the client for you. An established cloud and platform engineering consultancy, they are looking for Principal Platform Engineer in AWS; you’ll play a senior technical leadership role across complex cloud and platform engineering engagements. You’ll work closely with ...