Senior C Programmer - Modernizing DNS Server Infrastructure

About the Role

We are looking for a skilled and motivated Senior C Programmer remote with strong DNS expertise to join our team and contribute to a high-impact project focused on modernizing DNS server infrastructure. The ideal candidate will bring excellent systems programming skills, a solid understanding of networking protocols, and enthusiasm for solving complex technical challenges. While direct experience with ISC Bind is not mandatory, familiarity with it or similar DNS software is highly advantageous.

What You'll Do

• Design, develop, and implement enhancements to DNS server software with a focus on performance, scalability, and reliability.
• Refactor and optimize existing code to improve efficiency and maintainability.
• Collaborate with cross-functional teams to define technical requirements and specifications.
• Implement new DNS features and extensions, ensuring compliance with industry standards (DNSSEC, EDNS(0), IPv6).
• Debug and resolve software issues, including complex edge cases and performance bottlenecks.
• Write clean, well-documented, and maintainable C code that follows best practices.
• Conduct unit, integration, and system-level testing to ensure robustness and reliability.
• Stay up to date with advancements in DNS technologies and networking protocols.
• Participate in code reviews and provide constructive feedback.

Requirements

• Strong proficiency in C with proven systems-level programming experience.
• Solid knowledge of DNS concepts, protocols, and architecture.
• Experience with networking protocols (TCP/IP, UDP) and network programming.
• Proficiency in Linux/Unix development environments.
• Strong debugging and problem-solving skills (e.g., gdb, valgrind, or similar tools).
• Ability to work both independently and collaboratively in a fast-paced environment.
• Strong written and verbal English communication skills (B2+).

Nice to Have

• Familiarity with ISC Bind or other DNS server software.
• Knowledge of advanced DNS features such as DNSSEC, EDNS(0), and zone transfers.
• Understanding of IPv6 and its role in DNS.
• Experience with multi-threaded programming and concurrency.
• Knowledge of software security principles and best practices.
• Scripting experience (Python, Bash) for automation and testing.
• Exposure to open-source development practices and tools (Git, Jenkins).

What We Offer

• Remote work from anywhere in Georgia.
• Comprehensive medical & family care package.
• Five trust days per year (sick leave without a medical certificate).
• Employee Stock Purchase Plan.
• Monetary bonuses for engaging in the referral program.
• Unlimited access to LinkedIn Learning and Get Abstract.
• Free English classes with certified teachers.
• Opportunity to work abroad for up to two months per year.