Principal Software Engineer Job Southampton area,England UK,Software Development

Our client, a global leader in radiation detection and identification within the technology sector, is currently seeking a Principal Software Engineer to join their team in the UK. This permanent, full‑time position offers the exciting opportunity to work on cutting‑edge projects, driving both innovation and excellence within the software engineering department.

Key Responsibilities:

Work on the most complex and mission‑critical projects
Collaborate with stakeholders, including customers, to develop and maintain software
Assist the software engineering manager in requirements management, estimation, and planning
Focus on high‑level architecture and long‑term technical strategy
Innovate solutions to improve software processes and quality
Integrate software with hardware to deliver complete systems
Optimise application architectures for scalability and performance
Monitor system performance and troubleshoot issues to ensure high availability and reliability
Design, implement, and maintain CI/CD pipelines to automate software delivery processes

Supervisory Responsibilities:

Technical mentoring of engineers across the organisation
Sprint board management

Required Skills:

Ability to make high‑stake decisions about architecture and technology
Extensive technical expertise across Linux and Windows operating systems
Exceptional understanding of electronics and systems design
Hands‑on experience with infrastructure as code (IaC) tools:
Helm Charts, Terraform or Ansible
Experience in full stack development using Angular framework
Experience with hardware and software integration
Experience in developing software using internet, application layer, transport layer and security protocols
Proficiency with CI/CD tools such as Jenkins or Git Lab CI/CD
Understanding of video and image processing
Ability to quickly learn new technologies and propose solutions
Ability to multitask when necessary
Experience in research and evaluation of software products
Experience in communicating at all levels and with customers
Understanding of software development lifecycle (SDLC) and agile methodologies

Desired

Skills:

Designing and implementing graphical user interfaces
Appreciation for physics, especially radiation‑related topics

Security Clearances:

All candidates must be willing and able to apply for and maintain the correct security clearances for this role.

UK Employees - Baseline Personnel Security Standard (BPSS), Security Check (SC)

Education/

Experience:

Bachelor's degree in computer science, electronics, or a related field
Experience in software (including firmware) development & Dev Ops

Physical Requirements:

Prolonged periods sitting at a desk and working on a computer
Must be able to lift up to 15 pounds at times

If you are an experienced Principal Software Engineer with a passion for innovation and excellence in the technology sector, we would love to hear from you. Apply now to join our client's dynamic and talented team in the UK.

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