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September 2, 2026
Mid Node.js Developer
Mid • Remote
15,000 - 17,000 PLN/yr
Gdynia, PM, Poland
Apply now
What You'll Do
- Deliver features for high-throughput platforms processing millions of daily HTTP requests and messages.
- Develop with Kafka, MongoDB, ClickHouse, and Redis.
- Own new features from implementation through deployment, with support from senior staff.
- Implement features, help scale the platform, optimize query performance, and maintain system stability.
- Improve code quality, write clean code, and refactor existing modules for maintainability.
- Participate in code reviews, pair programming, and cross-functional collaboration.
What We're Looking For
Must-Have Skills
- Proficiency in TypeScript and ES6+.
- Strong working knowledge of Node.js and frameworks such as Fastify, Express, or NestJS.
- Solid experience with SQL and NoSQL databases, including query optimization, index management, and basic schema design.
- Practical understanding of web scaling concepts: Redis caching, load balancing, and asynchronous processing.
- Good code review practices and a collaborative mindset.
- English proficiency at B2 level or above.
- At least 1 year of professional backend development experience.
Nice-to-Have Skills
- Knowledge of microservices and messaging systems such as AMQP and Kafka.
- Experience with OLAP technologies, such as Druid, ClickHouse, or Snowflake.
- Familiarity with Angular, NestJS, or Express.js.
- React Native experience.
- Go or Rust.
- DevOps tools: Docker, Kubernetes, and Helm.
- Startup experience.
Benefits
- Work on challenging high-traffic projects and innovative technologies.
- Use a diverse technology stack.
- Take ownership of greenfield projects and make key technical decisions.
- Join a small, self-organized team.
- Opportunities for personal and professional growth.
- Flexible working conditions, including remote work.
- Open communication about the support needed to thrive in the role.
- Streamlined recruitment process with one meeting.
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