Senior C# Developer

Looking to lead cloud-based development in a role where your voice shapes the solution?

Due to the nature of the work, you must be eligible to obtain Security Clearance.
 
This is your chance to join a forward-thinking software team making a genuine impact in UK public safety, working for a family-run software house.
 
This hybrid Senior Developer position is perfect for someone who wants to build secure, scalable applications, lead by example, and enjoy autonomy in architectural decisions.
 
The opportunity:
You’ll be joining a close-knit development team with a proud reputation for engineering quality, collaboration, and trust. This is a backfill for a much-valued colleague, so you’ll step straight into live projects with clear ownership and influence.
 
You’ll be focused around 70% backend and 30% frontend tasks, using a modern Microsoft stack alongside cloud-native tooling (primarily AWS). You’ll mentor junior developers, support full lifecycle delivery, and bring ideas to life—balancing legacy modernisation with brand-new product development.
 
Responsibilities:

Designing, developing, and deploying secure, cloud-first applications in high-trust environments
Working with C#, .NET Core, Angular, and AWS across multiple projects
Writing clean, testable code and implementing CI/CD pipelines
Collaborating with Product Owners, QA and Dev colleagues to shape scalable solutions
Reviewing code, mentoring others, and promoting engineering best practice
Exploring automation and AI tools to improve efficiency and test coverage About you:

Ability to successfully secure Security Clearance to the Government standard
5+ years’ commercial software development experience
Proven background in C#, .NET Core, and cloud technologies
Solid front-end experience with Angular and JavaScript/TypeScript
Knowledge of secure coding principles, clean architecture, and modern design patterns
Familiarity with SQL Server, microservices, REST APIs, Docker and Git
A collaborative, proactive mindset—comfortable taking the lead when required
Experience of acting a Senior member of the team, mentoring and coaching more junior Developers 
Competent to write and executing on planning activities  Desirable:

Experience modernising legacy systems
Exposure to AI-assisted development or DevOps tooling
Familiarity with TDD or automated testing frameworks
Knowledge of Azure, OAuth/OIDC, or Python Why apply?

Play a key role in building trusted SaaS solutions used in national policing
Join a respected, stable business where your work is valued
Be empowered to shape engineering direction, tooling, and practices
Work in a hybrid model with a supportive, collaborative team culture Benefits:

Permanent role
Salary £55,000 - £65,000, depending on experience
Hybrid working: 2 days a week in-office (Tuesdays and Wednesdays – Coalville, Leicestershire)
Contributory pension scheme, holiday allowance, ongoing professional development, free onsite parking Due to the nature of the work, you must be eligible to obtain Security Clearance.
 
We are an equal opportunity recruitment company. This means we welcome applications from all suitably qualified people regardless of race, sex, disability, religion, sexual orientation or age.
 
We are particularly invested in Neurodiversity inclusion and offer reasonable adjustments in the interview process. Reasonable adjustments are changes that we can make in the interview process if your disability puts you at a disadvantage compared with others who are not disabled. If you would benefit from a reasonable adjustment in your interview process, please call or email one of our recruiters