Flexsin Technology

3 days ago

Noida, India Flexsin Full time

Job Description

We are seeking a Windows C Developer with strong expertise in C programming for the Windows platform.

The Ideal candidate should carry strong proficiency in TCP/IP socket programming, Windows networking APIs, and Packet manipulation.

Should have hands-on experience with Windows Firewall APIs or equivalent packet-filtering frameworks with a strong background in building MSI installers/uninstallers (WiX Toolset, InstallShield, or similar).

Responsibilities :

Network Programming :

- Develop, maintain, and optimize C-based applications with TCP/UDP socket programming.

- Implement secure and efficient communication protocols for Windows environments.

- Debug and optimize network performance under various load conditions.

Firewall & Security Programming :

- Design and implement Windows firewall rule management via C-based APIs.

- Integrate custom security modules for packet filtering, intrusion detection, and connection validation.

- Work with low-level Windows APIs for firewall and networking control.

Build & Compilation :

- Configure and maintain CMake build scripts for cross-platform and Windows-specific builds.

- Manage Visual Studio solutions/projects to ensure reliable compilation and deployment.

Installer / Uninstaller Development :

- Build MSI packages for application installation and uninstallation using WiX Toolset or equivalent.

- Automate installer builds with CMake and Visual Studio integration.

- Ensure MSI packages meet enterprise deployment requirements (silent install, digital signing, rollback).

Code Quality & Maintenance :

- Write clean, modular, and well-documented code following industry best practices.

- Conduct code reviews and unit testing.

- Maintain version control (Git) and participate in CI/CD workflows.

Required Skills & Experience :

- Candidate must have a Bachelor's degree in Technology/software programming.

- 4+ year experience and strong proficiency in C programming for Windows platforms.

- Proven experience in TCP/IP socket programming, Windows networking APIs and Packet manipulation.

- Hands-on experience with Windows Firewall APIs or equivalent packet-filtering frameworks.

- Proficiency in CMake and Microsoft Visual Studio build environments.

- Strong background in building MSI installers/uninstallers (WiX Toolset, InstallShield, or similar).

- Solid understanding of Windows OS internals and debugging tools (WinDbg, Process Monitor, etc.

- Experience with secure coding practices and network security fundamentals.

- Familiarity with source control systems (Git, SVN).


(ref:hirist.tech)

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