Principal Software Engineer jobs in Southampton

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...

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 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...

Principal Mechanical Engineer - Water Sector All the relevant skills, qualifications and experience that a successful applicant will need are listed in the following description. Locations: Southampton, Brighton or Kingshill Hybrid: 2-3 days per week in the office Salary: £70-75k With major AMP8 investment and strong regional growth, Advance TRS are working with a leading consultancy who are...

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.

IT/Software Support Engineer Hampshire based company; commutable from Southampton, Fareham, Winchester Salary DOE - Up to £30k Are you a tech enthusiast with a passion for ERP software and a desire to grow professionally? Join our client as a Software Support Analyst / Application Support Analyst and embark on a rewarding career. This role is due to organic growth, the company specialise in ERP...

Are you an 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, and quantum technologies. This opportunity offers...

Job Description Senior / Principal FPGA Engineer Edinburgh, Luton, Bristol, Southampton (Hybrid, 2 days from home) circa £88 per hour + overtime Contract position Virtual interview MonFri Certain Advantage is collaborating with a key client to recruit Senior / Principal FPGA Engineers who will be responsible for the design and development of FPGA designs using VHDL and verifying designs using...

Job Description Are you an 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, and quantum technologies. This...

You will be an experienced civil engineer with strong leadership and consultancy experience.

Job Title: Senior/Principal Systems Engineer Location: Southampton, Hampshire Salary: Upto £75,000 basic + benefits Our client is looking for a talented Senior/Principal System Engineer Electronic Products with a strong background in the Electronic OEM sector to join their growing R&D team. You'll be an experienced Systems Engineer with a strong background in electronic product development....

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.

You will lead and deliver electrical engineering work for nuclear projects and related infrastructure, providing technical excellence in a collaborative, forward‐thinking environment.

You should be comfortable with most of our core technologies:

SOFTWARE ENGINEER REMOTE (OPTION TO RELLOCATE) £110K + EQUITY THE COMPANY This innovative AI startup is redefining safety and reliability in AI models. While competitors like GPT and DeepMind struggle with hallucinations and illegal content generation, this company adds safety control layers to ensure AI outputs are trustworthy and compliant. Working with high-profile, they’re building AI...

You will be working with a high-calibre team of young, talented professionals who share a like-minded mindset, delivering top-tier implementation and technical services to clients.

Role Overview We are seeking a Java Software Engineer to join a small, technically rigorous founding team building complex, data-intensive engineering systems. The role is remote-first, with periodic in-person collaboration in Oxford or San Francisco. The position involves close collaboration with the Founding Engineer on backend infrastructure, internal platforms, and system architecture. In...

Software Engineer Document Management & Workflow Systems (Contract) Details - Initial 6-month contract with extension - Fully remote (EU time zones) - Start: End of February / early March - Outside IR35 We are looking for an experienced Software Engineer contractor to support a regulated banking client on their Document Management & Workflow platforms . This role is heavily focused on the...

Job Description Job Title: Software Development Engineer Salary: Up to £75k Job Type: Full Time, Permanent Location: Fareham, Hampshire (Hybrid working available) About the Opportunity: A UK-based technology organisation in Fareham is seeking a Software Development Engineer to support the development of software used within government, defence and law-enforcement environments. This role...

You will provide technical support throughout the product lifecycle including design implementation, integration and test, system trials and product delivery.

You will be part of the Airborne Communications product development group within the Integrated Sensing & Protection line of our clients business; interacting with partner organisations / sub-contractors and potential customers.