Principal Software Engineer jobs in United Kingdom

Job Description Principal Software Engineer Portsmouth | Hybrid, 3 days onsite £75,000-£85,000 plus bonus and benefits This Principal Software Engineer role is designed for a hands-on technical leader with strong C++ and Unreal Engine expertise, working at the forefront of complex, performance-critical software delivery. The role combines advanced engineering with genuine technical authority,...

Job Description 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 for candidates with a mix of technical...

Principal Software Engineer – Manchester – eCommerce - 90k+10% Bonus All the relevant skills, qualifications and experience that a successful applicant will need are listed in the following description. 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...

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. Submit your CV and any additional required information after you have read this description by clicking on the application button. This is a unique opportunity to play a key role in the...

Job Description Principal Software Engineer Basildon 3-Month Contract Paying up to £70p/h (Inside IR35) Please note - due to the nature of the work, you will need to hold or be eligible to obtain a high level of UK Security clearance - please only apply if suitable Key Responsibilities: - C++ software development - Development of new applications to meet user expectations and within formal...

You will steer the development of complex digital twins and autonomous systems, bridging the gap between mathematical theory and real-world engineering.

Job Description Principal Software Engineer Luton 12-Month Contract Paying up to £79p/h (Inside IR35) Please note - due to the nature of the work, you will need to hold or be eligible to obtain a high level of UK Security clearance – please only apply if suitable Key Responsibilities: - Develop robust applications using C# .NET within a Windows environment. - Take ownership of complex...

Job Description Spacelabs Healthcare is driving innovation in healthcare technology to improve clinical and economic outcomes. Our scalable solutions deliver critical patient data across local and remote systems, enabling better decisions, increased efficiency, and safer care. We’re seeking a Principal Software Engineer to lead the development of our Patient Monitoring and Connectivity (PMC)...

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. This role offers a strong mix of hands-on development, architectural decision making and mentorship.

Job Title: Principal/Senior Engineer – Structural (Shock & Dynamics) Location: Barrow in Furness. We offer a range of hybrid and flexible working arrangements – please speak to your recruiter about the options for this particular role. Salary: Up to £57,500 What you’ll be doing: Lead the development of the functional requirements and supporting V&V evidence for secondary structures to support...

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. This role offers a strong mix of hands-on development, architectural decision making and mentorship.

Job Description Principal Software Developer – Manchester (central) 3 days a week in office with flexible start/finish – strong benefits – up to £90,000 (flexible for the right person) I’m working with a high‑growth tech business looking for a Principal Software Developer to take a leading, hands‑on role across their platform. You’ll design and deliver complex features, shape architectural...

Job Description 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 for candidates with a mix of technical...

You will work closely with subject matter experts and senior stakeholders on high-impact programmes spanning modelling and simulation, autonomy, geospatial systems, synthetic environments and digital twins.

You will remain deeply technical while setting direction, leading teams and acting as the technical authority across projects.

You should also expect to work across the full stack and every stage of the product lifecycle, from system design through to build, test, deployment and supporting systems in production, so you should be skilled in practices like TDD, CI/CD, IaC and Observability.

You should also expect to work across the full stack and every stage of the product lifecycle, from system design through to build, test, deployment and supporting systems in production, so you should be skilled in practices like TDD, CI/CD, IaC and Observability.

You should also expect to work across the full stack and every stage of the product lifecycle, from system design through to build, test, deployment and supporting systems in production, so you should be skilled in practices like TDD, CI/CD, IaC and Observability.

You should also expect to work across the full stack and every stage of the product lifecycle, from system design through to build, test, deployment and supporting systems in production, so you should be skilled in practices like TDD, CI/CD, IaC and Observability.

You should also expect to work across the full stack and every stage of the product lifecycle, from system design through to build, test, deployment and supporting systems in production, so you should be skilled in practices like TDD, CI/CD, IaC and Observability.

You should also expect to work across the full stack and every stage of the product lifecycle, from system design through to build, test, deployment and supporting systems in production, so you should be skilled in practices like TDD, CI/CD, IaC and Observability.