1 to 25 of 253 Principal Software Engineer Jobs in the UK

Principal Software Engineer (C#, Azure, Event Driven) £90,000 + Bonus + Shares | Watford (Hybrid) Method is partnering with a technology company that's about to launch a major digital transformation and rebuilding their architecture from the ground up. The company has been in business for nearly … also looking to scale massively over the next 5-years as they enter new markets, and as a result, are looking for a Principal Engineer to help deign, build and guide to achieve this. As the Principal Software Engineer, you be a hands-on technical ...

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 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 Engineer Location: Edinburgh, United Kingdom Contract Duration: 12 months Rate: £63.83 p/h PAYE (£73.11 inc. holiday rate) OR £87.04 p/h Umbrella We seek an engineer with recent high-integrity or safety-critical industry experience (defence, aerospace, or similar), or eligible … security clearance. Role Overview An experienced Principal Software Engineer is required to join a well-established Test Engineering community, supporting advanced defence and aerospace programmes. The role focuses on developing software solutions for complex test systems used in cutting-edge radar and aerospace platforms. The successful ...

Principal Software Engineer - Backend Location: Remote first (Occasional travel to London) Salary: £95,000 - £120,000 + equity + benefits An established, global technology business within the hospitality-tech industry is seeking an accomplished Principal Software Engineer to lead the design and delivery … with engineering leadership to define best practices, coding standards, and long-term technical strategy. Design, develop, and oversee the delivery of robust, production-grade software built using Python, Django, Cloud Firestore, BigQuery, and Elasticsearch. Mentor and guide engineers at all levels, fostering a culture of technical excellence and continuous ...

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 | Competitive Salary + Benefits 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 - Backend Location: Remote first (Occasional travel to London) Salary: £95,000 - £120,000 + equity + benefits An established, global technology business within the hospitality-tech industry is seeking an accomplished Principal Software Engineer to lead the design and delivery ...

Principal Software Engineer Tech: Java/Spring/SQL/React/JavaScript/Docker/Kubernetes/AWS Remote + Hybrid (1 day a week onsite negotiate) £80,000 - £100,000 + bonus and shares The Opportunity We are VERY excited about this opportunity. … considering a career move, this is (almost certainly) the client for you. We (SR2) have partnered with this highly regarded cloud and software engineering consultancy that helps organisations modernise how they design, build, and run software. Their teams work at the intersection of software engineering, cloud platforms ...

Description Principal Software Engineer Considering applying for this job Do not delay, scroll down and make your application as soon as possible to avoid missing out. Location: Edinburgh, United Kingdom Contract Duration: 12 months Rate: £63.83 p/h PAYE (£73.11 inc. holiday rate) OR £87.04 …/h Umbrella We seek an engineer with recent high-integrity or safety-critical industry experience (defence, aerospace, or similar), or eligible for UK security clearance. Role Overview An experienced xkybehq Principal Software Engineer is required to join a Please click on the apply button ...

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 click apply ...

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. ...

Title: Lead/Principal Embedded Software Engineer Location: Gloucester (On-Site Working) Salary: Up to £85,000 (Depending on Experience) Summary of Vacancy: We’re currently recruiting for a Principal Embedded Software Engineer on behalf of a cutting-edge Security Research & Development organisation. This … novel and secure solutions that push technical boundaries. You’ll be working in a deeply technical, collaborative environment that prioritises engineering excellence. As a Principal Engineer, you’ll lead development efforts for secure embedded systems, working hands-on with code while also guiding and mentoring others. ...

Principal Software Engineer (ADA/C# .NET) **Please note we can only consider sole UK Nationals for this role** Location: Luton (Hybrid: 4 days on-site, 1 day remote) Contract: 12 months IR35: Inside IR35 Security Clearance: Full UK SC required Day Rate: £70ph - £75ph About … Role A real-time embedded software engineer with knowledge of Ada/C# .NET is required in support of defensive aids development programmes within the Electronic Warfare business. The role includes design, development, test and support of current and future programs across our Praetorian product line. What ...

Principal Software Engineer (ADA/C# .NET) **Please note we can only consider sole UK Nationals for this role** Location: Luton (Hybrid: 4 days on-site, 1 day remote) Contract: 12 months IR35: Inside IR35 Security Clearance: Full UK SC required Day Rate: £70ph - £75ph About … Role A real-time embedded software engineer with knowledge of Ada/C# .NET is required in support of defensive aids development programmes within the Electronic Warfare business. The role includes design, development, test and support of current and future programs across our Praetorian product line. What ...

Location : United Kingdom – Remote Touchstone Advisory, a leading UK independent valuation advisory firm, is seeking an exceptional Principal Software Engineer to lead the evolution of our proprietary valuation platform—from a proven proof of concept to a robust, market-ready product. This is a rare opportunity … ownership of a core product within a successful, fast-growing advisory business that prises innovation, autonomy, and impact. As the technical leader of our software function, you will shape the product, the engineering culture, and the long-term tech strategy. About the role: You will be both the hands ...

Location: United Kingdom – Remote Touchstone Advisory, a leading UK independent valuation advisory firm, is seeking an exceptional Principal Software Engineer to lead the evolution of our proprietary valuation platform—from a proven proof of concept to a robust, market-ready product. This is a rare opportunity … ownership of a core product within a successful, fast-growing advisory business that prises innovation, autonomy, and impact. As the technical leader of our software function, you will shape the product, the engineering culture, and the long-term tech strategy. About the role: You will be both the hands ...

Location: United Kingdom – Remote Touchstone Advisory, a leading UK independent valuation advisory firm, is seeking an exceptional Principal Software Engineer to lead the evolution of our proprietary valuation platform—from a proven proof of concept to a robust, market-ready product. This is a rare opportunity … ownership of a core product within a successful, fast-growing advisory business that prises innovation, autonomy, and impact. As the technical leader of our software function, you will shape the product, the engineering culture, and the long-term tech strategy. About the role: You will be both the hands ...

Location: United Kingdom – Remote Touchstone Advisory, a leading UK independent valuation advisory firm, is seeking an exceptional Principal Software Engineer to lead the evolution of our proprietary valuation platform—from a proven proof of concept to a robust, market-ready product. This is a rare opportunity … ownership of a core product within a successful, fast-growing advisory business that prises innovation, autonomy, and impact. As the technical leader of our software function, you will shape the product, the engineering culture, and the long-term tech strategy. About the role: You will be both the hands ...

Location: United Kingdom – Remote Touchstone Advisory, a leading UK independent valuation advisory firm, is seeking an exceptional Principal Software Engineer to lead the evolution of our proprietary valuation platform—from a proven proof of concept to a robust, market-ready product. This is a rare opportunity … ownership of a core product within a successful, fast-growing advisory business that prises innovation, autonomy, and impact. As the technical leader of our software function, you will shape the product, the engineering culture, and the long-term tech strategy. About the role: You will be both the hands ...

Location: United Kingdom – Remote Touchstone Advisory, a leading UK independent valuation advisory firm, is seeking an exceptional Principal Software Engineer to lead the evolution of our proprietary valuation platform—from a proven proof of concept to a robust, market-ready product. This is a rare opportunity … ownership of a core product within a successful, fast-growing advisory business that prises innovation, autonomy, and impact. As the technical leader of our software function, you will shape the product, the engineering culture, and the long-term tech strategy. About the role: You will be both the hands ...

Location: United Kingdom – Remote Touchstone Advisory, a leading UK independent valuation advisory firm, is seeking an exceptional Principal Software Engineer to lead the evolution of our proprietary valuation platform—from a proven proof of concept to a robust, market-ready product. This is a rare opportunity … ownership of a core product within a successful, fast-growing advisory business that prises innovation, autonomy, and impact. As the technical leader of our software function, you will shape the product, the engineering culture, and the long-term tech strategy. About the role: You will be both the hands ...

Location: United Kingdom – Remote Touchstone Advisory, a leading UK independent valuation advisory firm, is seeking an exceptional Principal Software Engineer to lead the evolution of our proprietary valuation platform—from a proven proof of concept to a robust, market-ready product. This is a rare opportunity … ownership of a core product within a successful, fast-growing advisory business that prises innovation, autonomy, and impact. As the technical leader of our software function, you will shape the product, the engineering culture, and the long-term tech strategy. About the role: You will be both the hands ...