About Us 🚀
We are looking for a skilled Software Engineer with strong expertise in C application development and Linux/UNIX system interfaces to join our team. You will work on critical authentication infrastructure, focusing on Kerberos-based systems and low-level security solutions.
Design, develop, and maintain C-based applications in Linux/UNIX environments
Work with system-level interfaces (POSIX APIs, processes, file systems, sockets)
Develop and enhance Kerberos authentication systems and related tooling
Maintain and improve internal implementations of open-source technologies such as OpenSSH
Monitor performance, debug, and optimize low-level system components
Build automation tools to streamline administrative and operational processes
Improve and maintain CI/CD and deployment automation pipelines
Collaborate with engineers, product owners, and stakeholders on authentication strategies
Strong proficiency in the C programming language
Deep understanding of Linux/UNIX system programming and system interfaces
Solid experience in network programming
Good knowledge of security concepts (authentication, authorization, cryptography)
Experience working in controlled enterprise environments
Practical experience with Perl and Python
Strong attention to detail and good organizational skills
Ability to communicate complex technical topics clearly
Strong teamwork skills in a distributed environment
Experience working in an Agile environment using tools such as Jira
Experience contributing to UNIX/Linux-based open-source projects
Why should you join 🤸
🥷 BlackBelt team - You can join a cool and professional team, where everyone has a BlackBelt in technology;
🧠 Development - We are supporting your growth with trainings and certifications;
👣 Diversity - You can switch between projects and Delivery Units;
😮 WOW - We are supporting our colleague's health and well-being with WOW (Wellbeing Office Way) program;
🧡 Support - We are a caring organisation, if you face difficulties you can always count on us.
BlackBelt started almost a decade ago with an idea: let’s connect the country’s best experts with the most exciting IT projects. Our ambition has not changed since, only shaped by our experience and adapted to a changed world, to the new normal. We love our engineers, since their expertise, devotion to quality and their enthusiasm bring our clients’ ideas to life. Although we have grown in revenues and headcount, we remained the same friendly and happy company. Relying on our team of experts, we have become one of Hungary’s largest software developer firms with global clients and trusted partners in digital transformation.
