Senior Software Engineer

Spectrum IT Recruitment
Southampton, Hampshire, SO19 8NJ, United Kingdom
2 weeks ago
£65,000 – £80,000 pa

Salary

£65,000 – £80,000 pa

Job Type
Permanent
Work Pattern
Full-time
Work Location
On-site
Seniority
Senior
Education
Degree
Security Clearance
Required
Posted
1 May 2026 (2 weeks ago)

Benefits

Pension Benefits

Senior Software Engineer

JavaScript, C++, Linux, IoT, Kubernetes, Microservices

Southampton, Romsey, Hampshire (Onsite)

£65,000 - £75,000 + pension & benefits Are you a talented Software 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.

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). 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.

About You - What makes you a great fit

We're looking for experienced software engineers with solid backend programming experience in C++, JavaScript and Object Oriented Design

Deep experience with distributed systems, microservices, and APIs.

Experience working with Linux environments and Kubernetes.

Solid understanding of connectivity (TCP/IP, device communication, telemetry).

A STEM degree is preferred, reflecting the level of technical depth and problem-solving involved.

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 (url removed) 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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