Software Engineer – SC Cleared

Company: IO Associates
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Software Engineer

Not sure what skills you will need for this opportunity Simply read the full description below to get a complete picture of candidate requirements.

Location: Hampshire (minimum 2 days per week onsite)Duration: 6 monthsDay Rate: £700 – £720 per day, Inside IR35Clearance: active SC Clearance

A long standing client of iOs are seeking an SC Cleared Software Engineer to support the development of Windows-based applications, with the opportunity to also contribute to DevOps activities. This role is ideal for someone who enjoys working across both application development and build/deployment environments.

Essential Skills & Experience

  • Strong C# development experience
  • Experience with WinForms, WPF, or similar GUI frameworks
  • Familiarity with messaging protocols and serial communications
  • Knowledge of unit testing frameworks and methodologies
  • Experience using GitLab for source control and CI/CD
  • Exposure to Docker and DevOps practices (desirable)

Responsibilities

  • Design and develop Windows-based GUI applications using C#
  • Work with frameworks such as WinForms or WPF (other frameworks considered, with a focus on simplicity, usability, and rapid delivery)
  • Implement xwzovoh messaging protocols, including protobufs and serial communication schemes
  • Develop and maintain applications within a GitLab environment
  • Configure Docker containers for build tools (covering both embedded systems and C# GUI applications)
  • Develop and maintain GitLab CI/CD pipelines, including setting up runners for build and testing processes

Posted: April 14th, 2026