Contract Software Developer
Posted 1 week ago by iO Associates - UK/EU
Negotiable
Outside
Hybrid
Milton Keynes, England, United Kingdom
Summary: The role of Contract Software Developer involves designing, developing, and maintaining secure and scalable software using C# .NET Core or C++. The position requires active UK*C DV Clearance and offers a hybrid working arrangement in Milton Keynes and London. The developer will work collaboratively within a team to ensure high-quality software delivery while embedding secure coding practices.
Key Responsibilities:
- Design, develop, and maintain software using C# .NET Core (v6+) or C++ (C++11+).
- Build APIs and microservices aligned with business and technical requirements.
- Embed secure coding practices into all development activities and CI/CD pipelines.
- Participate in code reviews, architecture discussions, and team retrospectives.
- Write unit and integration tests to ensure reliable, production-ready software.
- Stay up-to-date with modern development practices, frameworks, and security trends.
Key Skills:
- Proficiency in C# .NET Core (v6+) or C++ (C++11+).
- Experience with cloud platforms (AWS, Azure, GCP) and containerization (Docker, Kubernetes).
- Knowledge of secure coding practices and compliance frameworks (ISO 27001, NIST).
- Familiarity with security tools (SAST, DAST, dependency scanning).
- Certifications in software development, cloud, or security.
- Active UK*C DV Clearance.
Salary (Rate): undetermined
City: Milton Keynes
Country: United Kingdom
Working Arrangements: hybrid
IR35 Status: outside IR35
Seniority Level: undetermined
Industry: IT
Role: Contract Software Developer
Clearance: UK*C DV
Day rate: £500 to £600 | Outside IR35 | DOE
Location: Hybrid | Milton Keynes & London
We're looking for a hands-on Software Developer who loves building secure, scalable, high-quality software. Join a collaborative team where your code, ideas, and security mindset make a real impact.
What You'll Do:
Design, develop, and maintain software using C# .NET Core (v6+) or C++ (C++11+), with opportunities to work on .NET Core 8 microservices.
Build APIs and microservices aligned with business and technical requirements.
Embed secure coding practices into all development activities and CI/CD pipelines.
Participate in code reviews, architecture discussions, and team retrospectives to drive quality and maintainability.
Write unit and integration tests to ensure reliable, production-ready software.
Stay up-to-date with modern development practices, frameworks, and security trends.
Nice to Have:
Experience with cloud platforms (AWS, Azure, GCP) and containerization (Docker, Kubernetes).
Exposure to security tools (SAST, DAST, dependency scanning).
Knowledge of compliance frameworks (ISO 27001, NIST).
Certifications in software development, cloud, or security.
**Please note this role requires active UK*C DV Clearance. If this sounds of interest, or you hold the right clearance but are looking for a slightly different role, please reach out for a confidential conversation to find out more!