.NET Developer

JR United Kingdom; Portsmouth; On-site; GBP 40,000 - 60,000; Part time

Job summary

A leading technology firm in the UK is seeking a Software Developer (.NET Core) on a contract basis. The ideal candidate should have strong experience in backend API development and CMS-based website implementation, following TDD and BDD best practices. Responsibilities include developing secure RESTful APIs and collaborating across teams. Key qualifications include proven experience with .NET Core and understanding of relevant technologies.

Qualifications

• Proven experience with .NET Core / ASP.NET MVC.
• Solid understanding of REST APIs, authentication (OAuth2/JWT), and backend logic.
• Strong grasp of TDD/BDD principles and testing frameworks (e.g., xUnit, NUnit, SpecFlow).
• Experience with PostgreSQL/SQL Server, Git and CI/CD tools (e.g., Azure DevOps).

Responsibilities

• Develop and maintain backend solutions using ASP.NET Core.
• Build and integrate secure, scalable RESTful APIs.
• Follow TDD and BDD methodologies to ensure code quality and coverage.
• Write automated unit, integration, and BDD-style tests (e.g., using xUnit, SpecFlow).
• Collaborate with UI/UX designers, frontend developers and DevOps teams.
• Participate in sprint planning, code reviews, deployments, and documentation.

Job description

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Inspirec has partnered with a dynamic and innovative leader in the technology industry, who are seeking a highly motivated Software Developer (.NET Core) to join their team on a contract basis.

As a cutting-edge provider of app development, cyber security, and cloud services, they are committed to delivering high-quality solutions to their clients that empower businesses to thrive in the digital era.

ROLE OBJECTIVE:

We are looking for a versatile Software Developer with strong experience in .NET Core. This role requires someone comfortable with both backend API development and CMS-based website implementation. You will work across multiple layers of the application stack, following best practices in Test-Driven Development (TDD) and Behaviour-Driven Development (BDD).

RESPONSIBILITIES:

• Develop and maintain backend solutions using ASP.NET Core

• Build and integrate secure, scalable RESTful APIs)

• Follow TDD and BDD methodologies to ensure code quality and coverage

• Write automated unit, integration, and BDD-style tests (e.g., using xUnit, SpecFlow)

• Collaborate with UI/UX designers, frontend developers and DevOps teams

• Participate in sprint planning, code reviews, deployments, and documentation

EXPERIENCE:

• Proven experience with .NET Core / ASP.NET MVC

• Solid understanding of REST APIs, authentication (OAuth2/JWT), and backend logic

• Strong grasp of TDD/BDD principles and testing frameworks (e.g., xUnit, NUnit, SpecFlow)

• Experience with PostgreSQL/SQL Server, Git and CI/CD tools (e.g., Azure DevOps)