Senior Windows Endpoint Developer – Workforce AI Security

This is a fully remote position, open to applicants in Europe.

📋 Description

• Take full ownership of the Windows agent from start to finish, spearheading the architecture for privileged services, inter-process communication, installation, and unattended auto-update pipelines.

• Design and implement certificate trust and TLS interception mechanisms on Windows platforms.

• Create robust state-reconciliation logic for configuring system proxies.

• Develop integrations with AI developer tools such as Claude Desktop, Cursor, and VS Code.

• Guarantee reliable coexistence with antivirus, EDR, VPN, proxy, and various endpoint security solutions.

• Lead root-cause engineering initiatives utilizing logs, diagnostics, and evidence from customer environments.

• Manage the Windows installation and update experience, encompassing silent installations, upgrades, rollback scenarios, and enterprise deployment edge cases.

• Serve as the definitive technical authority for Windows, establishing engineering standards, conducting code reviews, and contributing to the technical vision.

• Ensure the product adheres to a fail-open philosophy, gracefully degrading without disrupting connectivity or access to corporate resources.

⛳️ Requirements

• A minimum of 8 years of systems-level development experience is preferred; 5 years may be acceptable for candidates with a strong background in security.

• Extensive practical knowledge of Windows internals and architecture is essential.

• Proficiency in C# at a professional level is required.

• Solid experience working with C++ systems.

• Proven experience in producing Windows software, endpoint agents, or security products.

• In-depth foundational understanding of Windows security architecture, including privileged services, registry, COM, WMI, UAC, elevation, and certificate management.

• Demonstrated success in owning endpoint features comprehensively.

• Capability to work independently and troubleshoot complex field issues.

• Strong verbal and written communication skills and the ability to collaborate effectively.

• A degree in Computer Science or an equivalent practical engineering background.

• Expertise in Windows installer technologies such as MSI, InstallShield, or WiX.

• Experience with enterprise deployment tools like Intune, Configuration Manager/SCCM, Group Policy, or Tanium.

• Familiarity with troubleshooting antivirus and EDR coexistence issues.

• Knowledge of Windows certificate stores and code signing practices.

• Experience with TLS interception, trust-chain management, and certificate pinning.

• Familiarity with the Windows Filtering Platform, network drivers, or kernel-mode components.

• Experience in Python or Rust programming languages.

• Familiarity with AI developer tools such as Claude Desktop, Cursor, VS Code extensions, or MCP.

• Experience in developing browser extensions for Edge or Chrome.

• Background in network traffic inspection or packet analysis.

• Previous experience with a cybersecurity vendor, especially in DLP, CASB, EDR, or browser security products.

• Experience in macOS or cross-platform endpoint development.

🏝️ Benefits

• Ability to work remotely.

• Significant opportunities for professional growth.

• Substantial ownership as the team expands.