Internal Penetration Tester - Hybrid in London - Inside IR35 - 6 months
Posted Today by Hamilton Barnes
£500 Per day
Inside
Hybrid
Hybrid in Kingston Upon Thames, UK
Summary: We are looking for an experienced SC Cleared C# Developer to join a leading international organization for a long-term project in Kingston upon Thames. The role involves designing, developing, and optimizing high-performance enterprise applications within a collaborative Agile engineering team. Candidates should possess deep technical expertise in C#, .NET, and modern development practices, along with strong communication skills. This position is classified as inside IR35 and offers a hybrid working arrangement.
Key Responsibilities:
- Develop, and maintain applications using C#, .NET 6/7, and ASP.NET Core.
- Contribute to all phases of the software development lifecycle, including planning, design, coding, testing, deployment, and ongoing support.
- Collaborate with product owners, business analysts, and QA teams to translate business requirements into technical solutions.
- Implement and manage work items, sprints, and issue tracking using Jira.
- Develop and consume RESTful APIs and integrate with external systems and databases.
- Write clean, efficient, and maintainable code that adheres to established coding standards and design principles (SOLID, OOP).
Key Skills:
- 5+ years of professional experience in software development using C# and .NET (Core or Framework).
- Strong understanding of the software development lifecycle (SDLC) and Agile methodologies.
- Proficiency with Jira for sprint planning, task tracking, and project management.
- Experience with ASP.NET Core, Entity Framework, and SQL Server.
- Familiarity with Azure DevOps, CI/CD pipelines, and Git version control.
- Experience building and maintaining REST APIs and web services.
- Strong problem-solving, debugging, and analytical skills.
- Excellent communication and teamwork abilities within cross-functional Agile teams.
- Exposure to JavaScript frameworks (React, Angular, or Vue) is beneficial.
- SC Cleared
Salary (Rate): £500 per day
City: Kingston upon Thames
Country: UK
Working Arrangements: hybrid
IR35 Status: inside IR35
Seniority Level: undetermined
Industry: IT
C# Developer - Hybrid in Kingston upon Thames - Inside IR35 - 12 months
We are seeking an experienced SC Cleared C# Developer to join a leading international organisation on a long-term programme of work. This role, based in Kingston upon Thames, offers an opportunity to contribute to the design, development, and optimisation of high-performance enterprise applications.
As part of a collaborative Agile engineering team, you will be responsible for delivering robust, scalable, and secure software solutions throughout the full software development lifecycle - from requirements analysis and design through to development, testing, deployment, and maintenance. You'll be expected to bring deep technical expertise in C#, .NET, and modern development practices, along with strong communication skills and a structured, delivery-focused mindset.
Key Responsibilities:
- Develop, and maintain applications using C#, .NET 6/7, and ASP.NET Core.
- Contribute to all phases of the software development lifecycle, including planning, design, coding, testing, deployment, and ongoing support.
- Collaborate with product owners, business analysts, and QA teams to translate business requirements into technical solutions.
- Implement and manage work items, sprints, and issue tracking using Jira.
- Develop and consume RESTful APIs and integrate with external systems and databases.
- Write clean, efficient, and maintainable code that adheres to established coding standards and design principles (SOLID, OOP).
What You Will Ideally Bring:
- 5+ years of professional experience in software development using C# and .NET (Core or Framework).
- Strong understanding of the software development lifecycle (SDLC) and Agile methodologies.
- Proficiency with Jira for sprint planning, task tracking, and project management.
- Experience with ASP.NET Core, Entity Framework, and SQL Server.
- Familiarity with Azure DevOps, CI/CD pipelines, and Git version control.
- Experience building and maintaining REST APIs and web services.
- Strong problem-solving, debugging, and analytical skills.
- Excellent communication and teamwork abilities within cross-functional Agile teams.
- Exposure to JavaScript frameworks (React, Angular, or Vue) is beneficial.
- SC Cleared
Contract Details:
- Duration: 12 months (with potential extension)
- Day Rate: Up to £500 per day (Inside IR35)
- Location: Hybrid - Kingston upon Thames
- Start Date: ASAP