Senior Software Engineer

Job description

Senior Software Engineer x 2

Portsmouth (Hybrid working)

£68.55 Inside IR35

12 month contract

About the Role

We are seeking 2 highly skilled and motivated Senior Software Engineers to join a growing engineering team. This is an opportunity to work on mission-critical systems that support national security, advanced defence platforms, and next-generation technologies.

As a senior member of the team, you will play a key role in designing, developing, and delivering high-integrity software solutions within a secure and collaborative environment.

What you’ll be doing:

• Designing, reviewing, developing, testing, documenting, configuring and delivering software products to the agreed standards and procedures using the specified tools, within schedule and estimates
• Resolving the complex challenges, issues and faults associated with installation, commissioning, operation and performance of systems
• Providing specialist technical advice and guidance to other professionals, technician engineers and/or customers, and works with a high degree of technical autonomy
• Testing software products sufficiently to ensure software product quality is maintained and minimal or no re-work is required
• Investigating and resolving issues and problems raised during any stage of the development lifecycle, including software and system integration, qualification, and in-service trials
• Production of appropriate technical documentation
• Communicating effectively, identifying early potential risks, seeking clarification and providing feedback to team members and leadership
• Supporting estimation of development activities

Your skills and experiences:

• BEng/BSc in Computer Science or similar software qualification
• Experience with all phases of the software development lifecycle
• Excellent software coding, integration and testing skills
• Extensive knowledge of programming languages, C++, C# and Ada highly desirable

Extra information

Status

Open

Education Level

Secondary School

Location

Portsmouth

Type of Contract

Full-time jobs

Published at

07-03-2026

Full UK/EU driving license preferred

No

Car Preferred

No

Must be eligible to work in the EU

No

Cover Letter Required

No

Languages

English