Principal Software Engineer jobs in Somerset

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.

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 hands-on development with strategic influence, guiding architecture decisions and shaping...

A leading global technology company in the UK is looking for a Principal Software Architect to lead the delivery of major retail platforms. This role involves architecture leadership, implementation, and operational accountability, utilizing AI-assisted tools and mentoring teams in a Dual-Track Agile environment. The successful candidate will have substantial experience in software development,...

You will take individual responsibility for a range of project types, manage them independently and be the clients main point of contact.

You will lead independently and proactively on technical aspects including preparing designs, specification, technical approval submissions, site supervision and will be fully conversant with industry design standards.

You will lead teams that use Systems thinking to analyse, assess and develop ways to mitigate safety, environmental and cyber threats across Aerospace, Defence, Security and Technology markets.

You will have the opportunity to work for leading global consultancy who work across a wide variety of projects with a top reputation for their design and engineering expertise.

You will have a good technical knowledge in the primary discipline of fire safety design.

You will be IT literate with a working understanding of fire modelling software analysis tools.

You should have excellent communication skills and an interest in working in a team environment.

You will be responsible for: - Leading mechanical design delivery from initial brief through detailed design, installation and commissioning support - Acting as the mechanical discipline lead on medium to large-scale, complex Data Centre projects - Setting technical direction and ensuring the highest standards of design quality and compliance

You will be a vital part of this evolution, contributing your expertise to our strategy and helping us redefine what services we offer our clients.

You will ensure buildings are designed to minimise fire risks, through contributing to the development of fire strategy reports, calculations and fire risk assessments.

You will be someone with firm understanding of requirements management across all Defence Lines of Development, with experience across Operating Domains.

You should have a positive, flexible and self-motivated attitude, and be keen to develop yourself and others within the team.

Principal Cloud Engineer (HPC) Department: Digital, Data & Technology Group Salary: Starting from £55,389, rising to £64,535 Grade: Grade 8 Contract Type: Full Time, Open Ended Closing Date: Sunday 15 February 2026 Reference: ML13371 We are seeking a Principal Cloud Engineer (HPC) to provide technical and strategic leadership for the Universitys High-Performance Computing (HPC) and...

Principal Grafana Network Analytics Engineer Edinburgh, UK | Fully Remote (UK-based) Engineering | Cyber Security £95,000 & Benefits Ever wanted your dashboards to actually defend the internet? This role does exactly that. I’m recruiting on behalf of a high-growth cyber security technology company that protects some of the world’s most critical online services from large-scale DDoS and...

Job Description We have an exciting opportunity for a Senior Embedded Software Engineer to join our Electronic Controllers team at Honeywell Aerospace Technologies in Yeovil. The Yeovil site is a thriving design, development and manufacturing facility specialising in Environmental Control Systems and Life Support Systems. As part of the town’s rich aviation heritage, the site boasts world class...

You will support in reverse engineering and deep understanding of vulnerabilities, including impact analysis and automation.

You must relish the challenge of findings critical vulnerabilities in complex software binaries through automation and manual practices. Creativity is highly valued; being able to find novel vulnerabilities is essential in this role.

Job Description Principal Data Engineer - Microsoft Fabric Contract | Outside IR35 | Bristol (Hybrid) We're seeking Principal Data Engineers to join a major data transformation programme. This is a greenfield role, building a brand-new Microsoft Fabric platform from the ground up. You'll design and implement the core data models, pipelines, and architecture that will underpin analytics,...

Job Title: Principal Product Safety Engineer Location: Frimley, Weymouth, Bristol, Portsmouth, Barrow-in-Furness, Devonport, Plymouth or Brough, dependant on role and your personal circumstances. 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 What you’ll be...

Senior/Principal Electrical Engineer – Building Services Design Have you got what it takes to succeed The following information should be read carefully by all candidates. Salary up to & around £65,000 West side of Bristol Looking to work with a consultancy which can really take your career to the next step? Fancy working with a consultancy that is in a phase of growth with ambitious plans to...

Job Description Bristol We have a fantastic opportunity for you to join our Electro-Optical (EO) Seekers & Sensors Department within our Scene Generation Team, working as a Scene Generation Modelling Engineer. Salary: £45,000 - £65,000 depending on experience Dynamic (hybrid) working: 3-4 days per week on-site due to workload classification Security Clearance: British Citizen or a Dual UK...

You will take responsibility for the technical leadership during the design and development and support of our products. Take the lead, progressing the design, development, design proving, test etc as part of a multi-disciplined team. Principal Systems Engineer will be based at our Barnstaple site.

Job Description Job Title: Principal Mechanical Engineer Location: Stoke Gifford, Bristol + Hybrid Working Arrangement Compensation: Competitive Salary + Benefits Role Type: Full time / Permanent As a Principal Mechanical Engineer, you'll have a role that's out of the ordinary. You'll maintain the engineering configuration, ensuring the overall design intent and integrity is maintained...

You will drive Dual‑Track Agile processes guiding the Discovery Track for clarity and design exploration and the Delivery Track to ensure quality traceability and measurable outcomes. Key Responsibilities Instrument and leverage AI/agentic workflows to accelerate design prototyping code generation test‑case creation specification drafting and automated validation across the software lifecycle.