Low-Level Engineer

📍 Warsaw, Poland
📍 Krakow, Poland
PLN 237,600-400,800 per year
MIDDLE SENIOR
✅ Hybrid

Used Tools & Technologies

Not specified

Required Skills & Competences

Security @ 3 Software Development @ 3 Docker @ 3 Linux @ 3 Python @ 3 GitHub @ 3 CI/CD @ 3 Networking @ 3 Rust @ 3 Android @ 3 iOS @ 3 macOS @ 3

Details

The world’s most advanced VPN, and a whole lot more.

If you’re a curious problem-solver who carves their own path, join the team behind Threat Protection Pro, the NordLynx protocol, and the fastest VPN on the planet—tools that put privacy, security, and control back in people’s hands.

Your impact: Helping millions take back control of their online security, privacy, and data.

Responsibilities

  • Design and develop clean, maintainable, performant code in Rust.
  • Solve difficult problems in security, performance, privacy and networking at scale.
  • Apply clean code principles and work according to best-in-class industry standards.
  • Work together with members of the Low-Level Teams to deliver high-quality, secure and performant software solutions.
  • Contribute to and help grow the open source community around the libtelio library.
  • Leave code better than you found it.

Requirements

  • Desire to learn and improve.
  • Ability to self-drive software development and understanding of code ownership.
  • Solid software engineering knowledge in at least one strongly typed programming language (the team notes C/C++ developers often transition easily to Rust).
  • Deep understanding of at least one operating system (firewalls, routing, networking, services, interrupts, etc.).
  • Advanced knowledge of networking protocols (UDP, TCP, IPv4/IPv6, DNS).
  • Experience with GitHub or GitLab and understanding of core CI/CD principles.
  • Willingness and eagerness to share knowledge and mentor others.
  • Virtualization and/or containers knowledge.

Bonus Points

  • Previous experience in C or C++.
  • Previous experience with Python.
  • 5+ years of experience.
  • Computer science degree.

Tools You Will Use

  • Rust
  • GitLab / GitHub
  • Python
  • Linux, Windows, MacOS, iOS, Android
  • Docker

Salary Range

  • Gross Salary: 19,800 - 33,400 PLN / Month