Principal Software Engineer – TypeScript, JavaScript, Angular, Linux, IoT, K8
Location: Southampton (Onsite)
Salary: £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
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.
Responsibilities
* Design, develop, and maintain real‑time, safety‑critical software systems at the intersection of enterprise software, IoT, and data‑driven decision‑making.
* Leverage TypeScript, JavaScript, Angular, and modern web technologies to deliver actionable insights via modern web applications.
* Architect and implement microservices, real‑time data processing pipelines, and distributed systems.
* Maintain and extend Kubernetes‑based infrastructure across on‑prem, cloud, and hybrid environments.
* Integrate IoT devices and telemetry pipelines into the platform.
* Drive CI/CD, DevOps practices, and infrastructure‑as‑code deployment strategies.
* Collaborate with cross‑functional teams, including remote and offshore engineers.
* Provide technical leadership, mentorship, and influence senior stakeholders.
Qualifications
* 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.
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.
Benefits
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 information
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 the recruitment agency for more details and a confidential discussion.
Spectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation to this vacancy.
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