Low-level engineer | Mid-senior | NordVPN

NordVPN logo
Full Time
hybrid
Infrastructure
Vilnius / Kaunas
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.

Low Level Team is reponsible for delivering commonly used components for multiple platforms, like Windows, Linux, Android, Apple.

Main 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 the best-in-class industry standards;
  • Work together with the members of the Low-Level Teams to deliver high-quality, secure and performant software solutions;
  • Get involved and contribute to growing the open source community around the libtelio library;
  • Leave code better than you found it.

Core Requirements

  • Desire to learn and improve;
  • Ability to self-driven software development and understanding of code ownership;
  • Solid software engineering knowledge in at least one strongly typed programming language (based on our experience C/C++ developers are jumping very easily into Rust shoes);
  • Deep understanding of at least one operating system (firewalls, routing, networking, services, interrupts etc);
  • Advanced knowledge of networking protocols - UDP, TCP, IP v4/v6, DNS etc;
  • Experience with GitHub or GitLab and understanding of core CI/CD principles;
  • Willing and eager to share knowledge and mentor;
  • Virtualization (or/and containers) knowledge.
  • Don't worry if you do not tick all the boxes, we would still be interested in hearing from you. What we are trying to say by those requirements is that you must be focused on results and be a specialist in some 'particular' area.

Bonus Points For

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

Tools You Will Use

  • Rust;
  • Gitlab/Github;
  • Python;
  • Linux, Windows, MacOS, iOS, Android;
  • Docker.

Salary Range

  • Gross Salary 3200 - 7000 EUR/Month.

Perks we offer

Our global mission fuels our drive. But when you need that extra push - here’s a list of things to look forward to.

Apply for this job

Infrastructure

Vilnius / Kaunas

NordVPN logo
 
 
 
 
 
 

Nord Security is committed to building an inclusive workplace with a diversity of backgrounds. We welcome applications from people of all ages, gender identities, sexual orientations, racial identities, ethnicities, religious beliefs, and disability statuses. To reduce the chance of unconscious bias, you may submit your CV without a photograph or other redundant information like age or marital status.

We expect all candidates to provide accurate and complete information during the recruitment process. While limited use of AI tools to refine application materials is acceptable, candidates remain fully responsible for ensuring that their submissions reflect their own qualifications, skills, and experience. Any failure to do so may negatively affect participation in the recruitment process. If broader AI assistance is allowed for a particular role or stage, we’ll let you know in advance.

By submitting your application, you acknowledge that it may be processed using automated tools for evaluation purposes. .

By filling in this form you confirm that you have read and understood the Privacy Notice for Recruitment Candidates.

Our values

Our values are rooted in the actions of our people. They describe how we solve problems, make decisions, and ultimately - reach our goals as a team.