Backend Engineer | Mid - Senior | Go | Core Team

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

Design and develop highly scalable, resilient, and secure microservices

Write high-quality code that is tested, maintainable, and performs well under load

Collaborate with your team members, QA, DevOps, and security teams on day-to-day tasks

Ship new features and fixes successfully and on time

Create technical designs and write documentation

Perform R&D operations and find solutions to new and challenging problems we encounter

Mentor colleagues and provide technical guidance when needed

Demonstrate ownership of tasks from start to finish

Constantly learn and grow professionally

Core Requirements

In-depth knowledge of GO and/or PHP programming languages

Proven experience building and integrating REST API microservices

Adhering to good system design patterns

Knowledge of clean code design patterns and OOP principles

Deep relational DB knowledge (preferably MySQL)

Good working knowledge of NoSQL databases (preferably Redis)

Experience with message queues (preferably RabbitMQ)

Experience working with Git and source code repositories (preferably GitLab)

Good written and verbal communication skills in English

Integrity and an ownership mindset

Bonus Points

Have higher education in IT, Engineering, or other STEM fields

Worked with Docker and Kubernetes

Have experience with client-side programming (web, mobile apps)

Have DevOps or IT administration experience

Have an active GitHub account with code examples

Tools You Will Use

GO

PHP

MySQL

Redis

RabbitMQ

Grafana

Docker

Kubernetes

ElasticSearch

Cassandra

What We Offer

Sharpen your edge: training, mentorship, and room to grow — always.

Take the time you need: extra vacation days, sick days, and time off when life calls.

Get premium healthcare: private health insurance in Lithuania and Poland — fully covered.

Protect your peace: enjoy free subscriptions to Calm, Headspace, and Mindletic, and our own resilience and mindfulness trainings.

Own your fitness: in-house gyms, sport cards, online workouts, and personal guidance — on us.

Pack your bags for workation: experience our company-wide trip abroad to the fullest.

Work from anywhere: work from wherever keeps you in the zone.

Celebrate your milestones: birthdays, weddings, and new family members — all deserve a gift.

Parent with ease: children’s summer camps and flexibility around the schedule — because parenting never pauses.

Join the party: team building and company events people talk about for months.

Unlock Cyber City: coffee bar, open gyms, kids’ room, music room, massage chairs — our Vilnius HQ is yours to enjoy.

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