Skip to content

Core System Engineer

  • Hybrid
    • Tehran, Tehrān, Iran, Islamic Republic of
  • Technical Product

Job description

  • At least 2 years of recent professional experience with C, C++, Rust, or similar systems programming languages

  • Strong systems-level programming skills

  • Solid understanding of computer science fundamentals, including data structures, algorithms, concurrency, and software design

  • High-level proficiency with Linux

  • Good understanding of networking and web technologies, particularly HTTP

  • Basic understanding of web browsers and JavaScript

  • Experience with Git and continuous integration workflows

  • Ability to debug and analyze complex software and production issues

  • Strong problem-solving and analytical skills

  • An operational mindset and willingness to own systems in production

  • Experience building high-performance or distributed systems, particularly in Rust. Experience with Nginx or Nginx module development. These are considered a plus.

  • Deep Linux/UNIX, kernel, or networking knowledge. Experience with TCP/IP, UDP, DNS, TLS, QUIC, HTTP/2, or HTTP/3. These are considered a plus.

Job requirements

  • Design, develop, and maintain high-performance Core System software

  • Work across different components and products of the CDN and edge platform

  • Debug, troubleshoot, and optimize complex production systems

  • Investigate performance, reliability, scalability, and resource-usage issues

  • Participate in system design, code reviews, and technical decision-making

  • Own software throughout its lifecycle, from development to production operation

  • Research and evaluate technologies, protocols, and approaches relevant to the platform

  • Write and maintain technical and operational documentation

  • Collaborate with other engineers to develop reliable, scalable, and maintainable systems

or