Rust/C++ Software Engineer (ZTNA)

Join Rublon to work with a team of cybersecurity enthusiasts who are building the future of enterprise user authentication. Rublon MFA is a multi-factor authentication platform used by hundreds of customers across the globe to protect employee logins to networks, servers and applications. We are looking for a long-term employee who will support us in the following area: R&D on Web Proxy and Zero Trust Network Access Security Rublon’s research and development activities on securing access to applications will enable us to build innovative solutions for passwordless multi-factor authentication. By leveraging web proxies and Zero Trust Network Access (ZTNA) principles, we are creating technologies that transform how enterprises provide secure, seamless, and user-friendly access to business-critical resources. How You’ll Work • Location: Remote or from our offices in Kraków or Zielona Góra, Poland. • Become part of Rublon’s R&D team working on the future of passwordless authentication and ZTNA. • Collaborate with engineers, product managers, and security experts to design and deliver secure, innovative solutions. • Work with cutting-edge technologies including Rust, C++, TypeScript, and FIDO2. • Benefit from opportunities for self-development through training, courses, and knowledge sharing. • Experience a culture that values creativity, innovation, and technical excellence. What You’ll Do • Design, implement, and optimize secure, high-performance software in Rust and C++. • Contribute to components related to passwordless authentication in TypeScript. • Build secure and scalable solutions for web proxies, reverse proxies, and communication layers. • Prototype and validate new ideas by creatively combining modern technologies. • Participate in architectural design sessions, code reviews, and technical discussions. • Deliver clean, maintainable, and secure code following industry best practices. Skills You Have • 3+ years of commercial experience in software development with Rust, C++, and/or TypeScript. • Familiarity with web proxy and reverse proxy concepts. • Strong ability to create innovative solutions with modern technologies. • A genuine interest in information security and secure software design. Nice To Haves • Experience with Python. • Knowledge of FIDO2 / Passkeys and passwordless authentication. • Understanding of software application security. • Familiarity with web servers and system administration. • Hands-on experience with CI/CD environments (e.g., Docker). • Background in penetration testing or offensive security. • Advanced degree in Cybersecurity, Information Security, Computer Science, or equivalent experience. Why Apply • Join a company trusted by enterprises worldwide to secure digital identities. • Work on cutting-edge research and development in passwordless authentication and ZTNA. • Collaborate with some of the brightest experts in cybersecurity. • Develop your career in an environment that values self-development, knowledge sharing, and continuous learning. • Be part of a supportive culture that fosters creativity and bold thinking. Steps After You Apply • Submit your application and share your experience with us. • Our recruitment team will review your profile. • If there’s a fit, you’ll be invited to an initial conversation with our recruiters. • You’ll then move forward with technical interviews with our engineering team. • Successful candidates will complete a final cultural and values interview. We look forward to connecting with you and exploring how you can help us shape the future of passwordless authentication.