Senior Software Engineer - C#/.NET & C/C++ (Windows Ecosystem) (fully remote)

CloudLinux is a global remote-first company. We are driven by our principles: do the right thing, employees first, we are remote first, and we deliver high volume, low-cost Linux infrastructure and security products that help companies to increase the efficiency of their operations. Every person on our team supports each other and does what we can to ensure we all are successful. 

TuxCare is a subsidiary of CloudLinux. It offers a portfolio of security solutions for Linux and open-source software aimed at enterprise organizations. With TuxCare, enterprises can automate live vulnerability patching, minimize downtime, keep their applications secure and compliant, and get support from a team that knows Linux security best – covering the most popular Linux distributions, end-of-life systems, programming languages, and much more.

Endless Lifecycle Support (ELS) enables organizations to continue securely using Linux distributions and software languages that have reached the end of life or no longer receive standard security support – delivering vulnerability patches for unsupported versions of CentOS, CentOS Stream, Ubuntu, Debian, Oracle Linux, PHP, Python, and Spring software development framework.

We are looking for a Senior Software Engineer to join our team and contribute to the development and maintenance of our Windows-based projects. In this role, you will be responsible for building, modifying, and maintaining .NET (C#/.NET) applications on Windows, ensuring their stability and performance. You will also have the opportunity to work with and support various open-source C/C++ projects, adapting them for the Windows environment and enhancing their compatibility.

For more information, visit our website: https://tuxcare.com/extended-lifecycle-support/

Key Responsibilities:

In this role, you will be responsible for a variety of tasks critical to ensuring the stability, performance, and adaptability of our projects within the Windows environment. Your primary responsibilities will include:

1. Build, modify, and maintain .NET on Windows

• Make changes and extensions, maintain .NET (C#/.NET) on Windows. Modify .NET and C/C++ codebases to ensure stable operation on Windows.
• Possess a deep understanding of the Windows infrastructure (especially system components and the build process).
• Be able to work with various build approaches: MSBuild/Visual Studio as well as alternative tools (MinGW, Cygwin). Set up build automation (CI/CD) for various Windows environments (including MSBuild, MinGW, Cygwin, etc.).

2. Build and support various open-source C/C++ projects on Windows

• Maintain, fix bugs, and adapt them for Windows.
• Handle project builds with an awareness of dependencies and environment differences (especially when Windows support is limited).
• Maintain and develop or port existing build scripts (PowerShell/Bash/Batch, etc.).
• Investigate, fix, and track issues encountered during building or running open-source projects.
• Work with version control systems (Git), participate in code reviews, and handle pull/merge requests.

To thrive in this role, we are looking for a specialist who has:

• Solid knowledge of C# and the .NET infrastructure (especially on Windows).
• Good C/C++ skills with experience building under Windows (Visual Studio, MinGW, Cygwin).
• Strong understanding of the Windows environment: system libraries, compilers, loaders, and compatibility nuances.
• Experience with version control systems (Git).
• Ability to handle dependencies, adjust build scripts, and resolve compatibility issues.
• Skills in reading and analyzing open-source code.
• Familiarity with PowerShell and automation of build/deployment processes.
  

It would be great if you also have:

• Experience in setting up and running CI/CD (GitLab, Jenkins, or similar) for Windows projects.
• Understanding cross-platform builds (Linux/Windows) and experience working with package managers (vcpkg, NuGet, Conan, etc.).
• Experience interacting with open-source communities, contributing pull requests, and engaging in discussions.