Low-level Engineer | Mid-Senior | C++| Threat Protection Team

Nord Security; Polska; Hybrid; PLN 180,000 - 320,000; Full time

Benefits offered by this job

Hybrid work

Premium healthcare

Mental health support

Company events

Workation and perks

Job summary

You’ll collaborate with a talented team, review code, optimize performance, and maintain high quality through testing. Experience with C/C++ and optional C#/Swift helps; strong ownership and clear communication are essential.

Qualifications

• Experience with C/C++ and systems programming.
• Experience with C# or Swift and willingness to learn the other as needed.
• Open communication style and transparency.
• Ownership and responsibility for code quality.

Responsibilities

• Collaborate with a team to deliver Threat Protection features for NordVPN.
• Develop and improve software by reviewing, debugging, and optimizing.
• Work across drivers, system extensions, libraries, tools, and native apps.
• Ensure quality through comprehensive testing and code reviews.

Skills

Ownership

Open communication

Self-improvement

Feedback mindset

Tools

C/C++

C#

Swift

CMake

Conan

Git

CI/CD

Python

Job description

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.

The Threat Protection department is responsible for all of the cybersecurity features inside our products to secure our users from malicious actions and ensure customer privacy. To achieve the desired security goals, we are sharp and base our attitude on high ethical standards and integrity.

Our Threat Protection team combines its expertise and innovative approach to develop advanced, trustworthy products for our users. We acknowledge that success starts with having the right people in the right place. Currently, we’re looking for new team members to join us.

The Threat Protection Team’s mission is encoded in its name - we provide threat protection software-defined solutions for our users. Our team is passionate about solving complex systems, network, software development, automation, and programming-related riddles. Our projects vary from the privacy of the user to malware protection. The team writes code that is deployed at scale, serving hundreds of thousands of customers worldwide. That sounds like the challenge you were looking for - read on!

Main Responsibilities

• Collaborate with a talented team to deliver advanced Threat Protection features for the NordVPN application, enhancing our customers’ digital security;

• Develop new software features and continuously improve existing functionalities by reviewing, optimizing, debugging;

• Work across a diverse range of software components, including drivers, system extensions, libraries, tools, and native applications;

• Ensure the quality of your work through comprehensive testing using appropriate and effective methods;

• Conduct code reviews, offering constructive feedback on performance, logic, and maintainability to maintain a high standard of code quality and consistency.

Core Requirements

• Experience with C/C++;

• Some experience with C# or Swift and willingness to learn and work with the other as needed;

• Experience in Systems Programming;

• A high sense of responsibility and ownership: you care about the quality of your work and want to get better at it continuously;

• Open communication style and transparency;

• Positive attitude towards feedback, new ideas, self-improvement, and others.

Bonus Points For

• Experience in multi-language interoperability;

• Build system and package manager knowledge (CMake, Conan v2 or similar);

• Windows and/or MacOS API expertise.

Tools You Will Use

• C++20, Swift, C#

• Git

• CMake

• Conan

• CI/CD

• Python

What We Offer

Innovate with industry leaders

Work alongside global experts to build world-leading cybersecurity tools, impacting millions of users around the world.

Learn & grow

Boost your skills via our extensive training programs (online and offline) & other resources. Benefit from mentorship and career-switch opportunities to grow within the company.

Hybrid work

Enjoy the flexibility with 3 office days and working from home for the remaining 2.

Work from anywhere

Recharge with a change of scenery – choose work from any location when you feel a need to power your creativity and drive.

Physical well-being

Fuel your active lifestyle with online workouts led by our Physical Well-Being experts. Unlock a variety of sports and wellness facilities, like gyms, swimming pools, and fitness classes, with the Multisport card.

Mental & emotional health

Nurture your mind with free psychologist consultations, dedicated mental health events, and premium access to top-rated wellness apps like Calm, Headspace, and Mindletic.

Premium healthcare

Receive private health insurance giving you peace of mind for your health needs.

Joyful moments – special treats

Celebrate life’s big moments with special gifts from us on your birthday, anniversary, and other major events, such as weddings or the arrival of a new family member.

Company events & team-building

Experience iconic Nord Security celebrations, team-buildings, and knowledge-sharing events, nurturing bonds that fuel our success.

Workation

Embark on a legendary company getaway abroad, filled with exciting activities, live concerts, engaging workshops, and epic time together.

Kindly refer to our Privacy Notice for Recruitment Candidates for comprehensive information regarding our data handling procedures throughout recruitment processes.

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. As part of our recruitment process, we may use an AI-based application review tool to help assess applications based on skills and experience relevant to the role. This technology is used to support - not replace - human decision-making, and every application is ultimately reviewed by a recruiter.

If you would like more information about how AI is used in this process or wish to exercise your rights under applicable data privacy laws, please contact us at [e-mail]. Should you prefer to opt out of the automated evaluation, please submit your application directly to [e-mail].