We are Heimdal and cybersecurity is our passion. Join us in an internationally expanding business, leading the fight against cybercrime!When joining Heimdal, you will embark on a thrilling ride in Europe's fastest growing bootstrapped cybersecurity business, where we believe that the team is the cornerstone of what we do tomorrow. We are leading the fight against cybercrime, developing new technologies and providing intelligence to protect over 15,000 companies worldwide against cybercriminal attacks and data security breaches.Our award-winning line-up of 10+ fully integrated cybersecurity solutions span the entire IT estate, allowing organizations to be proactive, whether remote or onsite. From endpoints, networks, and cloud to emails, and beyond, Heimdal offers advance detection and response capabilities, ensuring complete security coverage.The roleWe are looking for an experienced .NET Developer with strong Linux expertise to help us design, develop, and implement a cutting-edge cybersecurity solution for Linux environments using .NET 8. You will have a solid background in .NET development and a deep understanding of the Linux ecosystem, allowing for seamless end-to-end integration.We are looking into all cities in Romania, therefore if you are in Bucharest, you can work from home and come to the office when and if it is necessary or if you’d like to come. If you are based in any other city in Romania, you can work remote, from home - we have the online resources to guide you through the pre-boarding onboarding processes and beyond.ResponsibilitiesProduct 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 Ubuntu, CentOS, and Red Hat systems.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.Requirements5+ years of experience as a .NET developer, with strong hands-on experience in .NET Core or .NET 8+.Strong Linux expertise: Comfortable developing and debugging on Linux (Ubuntu, CentOS, Red Hat), including working with system services and terminal tools.Proficiency in 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.Self-driven, structured, and capable of working independently in a startup-like environment.Nice to HaveExperience building software agents or system daemons.Exposure to low-level Linux internals, system calls, or inter-process communication.Familiarity with CI/CD pipelines, automated testing, and infrastructure as code.Experience working with containerized applications (e.g., Docker).Cloud exposure (Azure, AWS, or GCP).Benefits:Regina Maria health plan.Monthly budget in the Benefit platform (800 RON/month).Additional company-paid days off ("Personal Day" and "Anniversary Days").Reimbursement for glasses expenses according to company policy.Referral bonus.Bookster and LinkedIn Learning subscriptions.Personal and professional development (trainings and certifications).Our MissionWe are leading the fight against cybercrime and protecting the operational integrity of all midmarket and lower enterprise companies.Our CultureWe believe in hiring the best and the brightest while cultivating a culture of collaboration and execution.We are Dedicated, Innovative, and Humble. As in devoted and passionate about our work and what we do. We seek to optimize, improve, and challenge status quo. We are open-minded to new ideas and to feedback, and we know success comes from hard work.We are committed to constantly create an environment where each individual has the opportunity to grow, personally and professionally. We have a strong sense of unity and togetherness, and having fun together is a key element at Heimdal.We are an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. All employment decisions are based on business needs, job requirements and individual qualifications, without regard to gender, race, color, disability, religion, marital status, family or parental status.
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