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September 2, 2026

Mid Node.js Developer

Mid • Remote

15,000 - 17,000 PLN/yr

Gdynia, PM, Poland

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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