KBS Maritime
Senior Software Developer
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Senior Software Developer
Senior Software Developer
Job Title
Senior Software Developer
Location
HM Naval Base, Portsmouth (HMNBP)
Service Area
Information Management & Technology Department
Hours of Work
37 per week
Contract Type
Permanent
Salary
£50,000 to £57,000
About the Role
You’ll be responsible for designing, building, and maintaining bespoke software and codebases that underpin digital solutions, focusing on advanced C# / .NET development, code quality, and technical mentoring of other developers.
Key Responsibilities
- Designing, developing, and maintaining C# / .NET applications, services, and integrations across our codebases.
- Ongoing maintenance, refactoring, and improvement of existing codebases to ensure security and sustainability.
- Development and maintenance of:
- C# plugins
- Custom connectors
- Server-side customisations on Power Platform
- Creation and maintenance of customisations, including:
- Plugins
- Power Apps Custom Controls (PCFs)
- JavaScript web resources
- Conducting code reviews, enforcing coding standards, and contributing to technical documentation.
What You Will Bring
- Relevant experience in C# and .NET framework/.NET Core development.
- Strong appreciation for:
- Clean code principles
- Software testing best practices
- Software design best practices
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What You’ll Get
- 25 days holiday plus bank holidays
- Holiday purchase scheme (after completing probation)
- Early finish on Fridays
- Discretionary company bonus scheme
- Enhanced pension scheme:
- Employee contribution: 4%
- Employer contribution: 6%
- Option to contribute 6% (employer matches at 10%)
- Life assurance (x4, subject to scheme terms)
- Access to internal benefits and discounts (for all colleagues)
- Cycle to work scheme
- Group income protection
- Flexible parental benefits
- Free onsite parking
- Access to internal employee assistance programme and ** occupational health & wellbeing services**
- Kudos recognition (internal achievements scheme)
- Discount on visiting the Historic Dockyard
Application Process & Notes
Applications should be submitted before the closing date: Friday 17th July 2026.
Pre-Employment
As this role involves working at HM Naval Base Portsmouth (HMNBP), successful candidates must be willing to undergo:
- UK Security Vetting (UKSV) clearance checks
- This process is mandatory, and failure to meet requirements may impact the hiring decision.
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For further information, clarify your eligibility with the Talent & Recruitment team.
About Us
At KBS Maritime, we are a joint venture between BAE Systems and KBR, focused on delivering Asset Management, Infrastructure Management, Energy Solutions, and Alongside Services at HMNBP, home to two-thirds of the Royal Navy’s surface ships.
Working here means:
- Contributing to cutting-edge projects that enhance UK National Defence & Security.
- Combining historic maritime traditions with modern technology in a unique work environment.
- Believing in people-driven success, creating a culture where every employee is valued, empowered, and encouraged to grow.
Our commitment to diversity and inclusion ensures we welcome individuals from all backgrounds, ages, genders, abilities, sexual orientations, and beliefs.
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If you require this advertisement in an alternative format or need assistance, please contact: recruitment@kbsmaritime.com
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