Senior Backend Developer (Node.js)

Bitmedia Labs is an international product IT company that has been building ambitious innovative products for millions of users worldwide since 2014 - combining deep tech expertise with a creative mindset.

Our ecosystem spans:

• 
  Game Development — building the next generation of Web3 gaming, where gameplay comes first, players own their assets, and developers thrive within massive, engaged communities.


• 
  Digital Marketing Ecosystem — building a unified ecosystem that combines a leading high-performance advertising platform with emerging media and affiliate solutions.

Requirements::

• 5+ years of commercial software development experience, with at least 3+ years focused on Node.js.


• Strong understanding of its asynchronous nature, event loop, streams, and worker threads.


• Hands-on experience with Express.js


• Deep experience with SQL (e.g., PostgreSQL) or NoSQL (e.g., MongoDB) databases, including schema design, query optimization, and transactions.


• Experience designing RESTful APIs


• Practical experience with microservices architecture and message brokers (e.g., Kafka, RabbitMQ).


• Strong skills in writing unit, integration, and e2e tests.


• Experience with Docker and containerization and understanding of CI/CD principles (e.g., GitHub Actions, GitLab CI)


• Ability to clearly articulate technical decisions, strong communication skills, and a proactive mindset.


• Proven technical leadership and mentoring experience with ability to guide and develop team members.


• Strong strategic thinking with ability to align technical solutions with business objectives.

Nice-to-Haves:

• Experience with Kubernetes (K8s).


• Experience setting up monitoring and logging (Prometheus, Grafana, ELK Stack).


• Knowledge of other programming languages (e.g., Go, Python, Rust).


• Frontend development experience (React, Vue) for a better understanding of the full stack.

Hiring process:

• Intro call with a Recruiter - Interview with the Hiring team - Offer.

Join Bitmedia Labs to evolve, explore, and make a real difference - together.
Our culture is built on openness, trust, and support. We value initiative, ownership, and results. We work as one team - helping each other, celebrating wins, and learning from challenges together.
We offer the freedom and space to grow:

• Professional growth and self-realization through ambitious products;


• The opportunity to bring your ideas to life, experiment, and directly influence the product’s development; 


• Collaboration with talented teammates united by a shared goal.

We also care about well-being and balance:

• Flexible schedule and the option to work remotely or from our hubs in Kyiv, Warsaw, and Berlin;


• Competitive compensation, regular performance reviews, paid vacation, sick leave, and public holidays;


• Modern Apple equipment and thoughtful corporate gifts for holidays and personal milestones;


• Support for your growth: courses, workshops, and conferences.

Through our charity foundation Bit Spilka, run by volunteers from our team, we support the military, medics, and civilians across Ukraine — already delivering over $500,000 in aid. Here your work also drives social impact, and you can also join our volunteer initiatives.
If this resonates with you - send your CV and join us.
Let’s foster the world together!