Windows Agent Developer

ControlUp is transforming the way IT manages systems and troubleshoots issues. We are looking for an experienced Windows Desktop Agent developer to join our physical end-point products division. This is a full-time, permanent work from home position based in the UK.The ideal candidate will help drive the next generation of ControlUp innovation and is a great opportunity to learn and develop cutting edge technologies for management, monitoring and automation of Windows devices from a cloud-native, massively scalable platform.

About the team:
We are an Agile team; we work iteratively, fast-paced, and focus on delivering features and business value quickly. We deliver robust fixes and features to customers swiftly. We're in it together and deliver together. We take accountability and don't throw things over the fence. We are strongly invested into AI tools to assist us with our tasks and enjoy knowledge sharing. We make engineering-led decisions, with emphasis on clean architecture and maintainable code over technical debt. Whilst we work as a team, each individual makes a significant business impact and has clear opportunities to grow their career.

Description of work:
• Design, implement, test, and deliver Windows services and agent components that gather system performance and diagnostic data, execute automated actions, and communicate securely with cloud APIs.
• Develop in C# for Windows services, system utilities, and agent components.
• Occasional use of C++ for low-level system interactions is not feasible in C#, and for Linux-specific components, where needed.
• Take responsibility for carrying work from inception through design, implementation, testing, and delivery across the full software development lifecycle.
• Collaborate with backend and other enterprise teams to design, integrate, and deliver robust solution designs.
• Translate business requirements and user scenarios into technical specifications, user stories, and tasks.
• Participate fully in Agile development lifecycle: planning, daily stand-ups, demos, reviews.
• Continuously expand knowledge of systems and related technologies.

Must haves:
• 5+ years .NET experience creating Windows services and system-level components.
• Strong knowledge of Windows internals and techniques for gathering system-level performance data.
• Strong knowledge of Win32 API, using both native C++ and C# interop (P/Invoke/COM).
• Strong design skills in modular architecture, fault-tolerant systems, and inter-process communication.
• Ability to write and maintain C++ components for low-level or cross-platform (Linux).Passionate about AI-driven development.
• Experience writing and maintaining unit tests, automation tests, and integration tests.
• Experience with Windows installers (WiX a plus).Solid understanding of multi-threaded programming.
• Strong experience with REST APIs, HTTPS, WebSockets, and Windows communication technologies (Named Pipes, RPC, sockets, WCF).Experience developing in Agile environments using tools such as Azure DevOps or Jira.
• Organised, self-motivated, collaborative team player.
• Experience in start-up culture delivering enterprise-level software.
• Familiarity with DLL injection and API hooking techniques (safe practices).PowerShell scripting.
• Linux system-level programming experience.
• Exposure to Azure DevOps, Repos, and Pipelines.