We are looking for a skilled and motivated C Programmer 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.

In this role, you will drive fundamental improvements to DNS server software, enhancing performance, scalability, and reliability, while delivering new features in line with industry standards.

Responsibilities

• 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

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)

We offer

• Engineering Heritage: Best-in-class experts sharing a culture of engineering excellence and tackling complex engineering challenges for over 30 years.
• Advanced Tech Stack: Innovative projects where you can apply or enhance your expertise in Cloud, Data, AI, and other emerging technologies
• World-Class Clients: Work closely with 295+ of the Forbes Global 2000 on creating disruptive solutions that make a global impact
• Professional Growth: Exceptional support for career development with comprehensive resources for upskilling or reskilling in pioneering practices
• GenAI Community: Strong AI competencies with 600+ experts across 55+ locations driving GenAI-enabled transformation journeys
• Entrepreneurial Culture: If you're passionate and dedicated to improving business transformation, we provide the support you need to bring your ideas to life
• Hybrid Setup: The flexibility to work from any location in Lithuania, whether it's your home or our dynamic offices in Vilnius and Kaunas
• Other Benefits: Additional vacation and trust days, private health insurance, Employee Stock Purchase Plan and more

Salary range €3.6K-€5.5K gross, based on your experience and interview results.

Join our team in our cozy offices in Vilnius or Kaunas.

About EPAM

EPAM is a leading global provider of digital platform engineering and development services. For over 30 years, our team has helped leading brands navigate the waves of digital transformation, building solutions that help them stay competitive through constant market disruption.

With offices in 55+ countries, EPAM has grown in Lithuania to over 1,200+ talented innovators in just 4 years. We foster creativity and unconventional ways of doing things, welcoming like-minded professionals to join us

Feel free to work remotely from anywhere across Lithuania or connect with colleagues at our Vilnius and Kaunas offices.