Principal Software Engineer

Principal Software Engineer in Southampton (SO14) | Spectrum It Recruitment Limited Search Search Principal Software Engineer Spectrum It Recruitment Limited View Profile Southampton (SO14) Permanent Published: 1 day ago £70000.00 - £75000.00 per annum Principal Software Engineer Spectrum It Recruitment Limited Principal Software Engineer - TypeScript, JavaScript, Angular, Linux, IoT, K8 Southampton (Onsite) £75,000 + generous pension & benefits Are you a Principal Engineer who thrives on solving real-world problems with cutting-edge technology? This is an opportunity to join a talented engineering team building advanced, real-time software systems used in safety-critical environments worldwide. You'll be working at the intersection of enterprise software, IoT, and data-driven decision-making; developing solutions that genuinely make a difference. Why this role is exciting This isn't just another enterprise software role. You'll be working on a sophisticated platform that connects physical devices (IoT) with real-time data processing, delivering actionable insights through modern web applications. The systems you help build are deployed globally and play a vital role in protecting people, infrastructure, and national security. Engineers here consistently highlight exposure to multiple Kubernetes environments (on-prem, cloud, VM-based), working across diverse customer use cases with unique technical challenges, the chance to experiment with new tools, architectures, and AI integrations, and a broad technical landscape spanning microservices, real-time systems, and distributed architectures. About You - What makes you a great fit We're looking for a technical expert who can lead and inspire. Strong background in TypeScript / JavaScript (Angular). Deep experience with distributed systems, microservices, and APIs. Solid understanding of connectivity (TCP/IP, device communication, telemetry). Experience working with Linux environments and Kubernetes. Ability to communicate confidently with both engineers and senior stakeholders. Proven experience leading teams including remote and offshore collaboration. A STEM degree is required, reflecting the level of technical depth and problem-solving involved. Tech environment Kubernetes across on-prem, cloud, and hybrid environments. Microservices architecture with real-time data processing. IoT integrations and telemetry pipelines. Modern web applications (TypeScript / JavaScript / Angular). CI/CD, DevOps, and infrastructure as code. Emerging work around AI integration and intelligent features. Why join Work on meaningful, real-world problems with global impact. Gain exposure to a broad and evolving tech stack. Be part of a team that values innovation, experimentation, and learning. Play a key role in delivering complex solutions to high-profile customers. Collaborate with a highly skilled, mission-driven engineering team. Additional info Due to the nature of the work, you must be eligible to obtain UK security clearance. Please hit apply to upload your CV or contact for more details and a confidential discussion. Spectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation to this vacancy. In Short Industry IT & Telecommunications Founded 2008 Location Chilworth, Southampton Company size 0 - 49 Who We Are Established in 2008,
Spectrum IT is a leading Software and Technology specific recruitment agency, providing
permanent and contract IT resource for businesses. Our team of around 30
employees are based on the University of Southampton Science Park, a key hub
for technology on the South Coast. Who We Can Help Spectrum IT works
with a wide cross section of businesses, from start-ups to multinationals. 95%
of placements are within Software focused businesses, or where Software is key
to the business model. Typically, around 200 different businesses are supported
annually, with more than 900 candidates placed. How We Work We bring together talented
IT professionals with businesses of all sizes. Our extensive experience can
help your business with single hires right through to building large software
development project teams of 50+. Regular engagement with the IT community
enables us to keep up to date with the ever-changing IT landscape. Similar Principal Software Engineer Jobs Popular with Other Job Seekers Backend Developer Spectrum It Recruitment Limited Romsey (SO51) £45000 - £50000 per annum + plus hybrid working and benefits 2 days ago Lead Full Stack Developer Oscar Associates (UK) Limited Leeds (LS1) £60000 - £75000 per annum 22 hours ago NEW Senior Full Stack Developer (Kotlin, TypeScript) Deutsche Bank London Competitive 1 day ago Principal Software Engineer - AI and Innovation Morson Edge South Yorkshire £100k - 120k per year + None 2 days ago Backend Engineer Gold Group London £55000.00 - £75000 per annum 23 hours ago NEW Lead Software Developer Anson Mccade London Up to £110,000 per annum 1 month ago Lead Full Stack Engineer Develop London £100000 - £120000 per annum 1 month ago Senior Engineer Bloc Recruitment CA - California $500k + Equity 2 days ago Lead Software Engineer - Digital Assets London Stock Exchange London Competitive 1 day ago Senior .NET Developer Bright Purple Resourcing Reading (RG1), RG1 £55,000 - £60,000 3 days ago Principal Software Engineer jobs Principal Software Engineer jobs in Southampton IT jobs IT jobs in Southampton Management jobs Management jobs in Southampton Jobs in Southampton Software Engineer jobs Software Developer jobs Software Engineering Lead jobs Team Lead Software Engineer jobs Lead Software Developer jobs Software Team Lead jobs Systems Software Engineer jobs Software Development Team Leader jobs Software Engineering jobs IT Programme Manager jobs Principal Systems Engineer jobs Principal Engineer jobs Lead Software Engineer jobs Principal Developer jobs Software Lead jobs Principal Design Engineer jobs Totaljobs About us Work for us Media centre Partners Jobseeker Jobs Jobseeker login Salary Planner Jobseeker help centre Career advice Recruiter Courses Advertise a job Recruiter login Contact us – recruiters Recruiter advice Recruit internationally Let's connect Apps Privacy policy Terms and conditions Cookies Compliance Accessibility The Stepstone Group UK Ltd © 2026