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Backend Engineer | Mid-Senior | PHP | UCP

Nordsec

Warsaw Remote permanent

Posted: April 1, 2026

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Quick Summary

A Mid-Senior Backend Engineer in Warsaw is responsible for building and maintaining a high-quality codebase, ensuring user trust and loyalty through continuous growth.

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.


Main Responsibilities:
• Build and continuously improve a sophisticated User Control Panel that encourages user trust and loyalty for continuous recurring growth;

• Develop and maintain a high-quality codebase;

• Seek to improve code and performance constantly;

• Mentor colleagues on web development best practices & provide technical guidance;

• Exercise influence on the overall vision and long-range goals of your team;

• Perform R&D operations whenever required;

• Improve engineering standards, tooling, and processes.


Core Requirements:
• Proven experience working with PHP;

• Proven experience building microservices and knowledge of microservices patterns;

• Understanding of OOP principles and good code design;

• That you know a thing or two about API design;

• Good (My)SQL knowledge;

• That working with Git is nothing new to you.


Tools You Will Use:
• PHP;

• Kubernetes

• MySQL;

• Redis;

• RabbitMQ;

• Grafana.


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


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: https://bit.ly/40GWyjL

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 [email protected]. Should you prefer to opt out of the automated evaluation, please submit your application directly to [email protected].

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