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Heimdal® · 4 months ago

Senior .NET Developer (for Linux Development) | fully remote from Tunisia

United States

Full-time

Remote

Senior Level

5+ years exp

Heimdal® is a rapidly expanding cybersecurity company leading the fight against cybercrime. They are seeking a skilled .NET Developer to design and develop a next-generation cybersecurity agent for Linux, focusing on high-performance, cross-platform systems.

Cyber SecurityInformation TechnologyPrivacy

Responsibilities

Product Ownership: Take full technical responsibility for a new agent-based product targeting Linux systems. You’ll define and evolve its architecture, delivery pipeline, and integrations

Design & Develop: Build a cross-platform system daemon in .NET 8+, optimized for Linux environments (Ubuntu, CentOS, Red Hat)

Linux Integration: Interface with system-level components (package managers, daemons, logs, etc.) to provide seamless and native-like behavior

Security Focus: Collaborate with internal cybersecurity teams to ensure secure design and implementation across all layers of the agent

Automation: Use Linux scripting (Bash) to streamline deployment, debugging, and operational tasks

Cross-Team Collaboration: Work alongside DevOps, backend, and security engineers to align on architecture and deployment strategies

Prepare for Growth: Help onboard additional team members (developers, QA) as the product evolves, and guide technical direction

Documentation & Quality: Maintain clear documentation, and contribute to testing and code quality strategies

Qualification

.NET 8+C#Linux developmentBash scriptingCybersecurity fundamentalsCross-platform applicationsREST APIsMicroservicesCI/CD pipelinesContainerized applicationsCloud exposure

Required

5+ years of hands-on experience with .NET Core / .NET 8+

Strong C# fundamentals with experience building and deploying cross-platform or backend services

Linux experience: While you don't need to be an expert from day 1, you should preferably be comfortable developing and debugging on Linux (Ubuntu, CentOS, Red Hat) including working with system services and terminal tools

Experience with Bash scripting for automation, deployment, or operational tasks

Solid understanding of cybersecurity fundamentals and secure software development principles

Experience building and deploying cross-platform applications using .NET

Familiar with REST APIs, microservices, and general principles of scalable backend communication