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December 17, 2025

Node.js Developer

Mid • Remote

$35 - $40/hr

Warsaw, Poland

Summary: This role involves developing and maintaining robust and scalable microservices, enhancing the self-serve advertising platform for clients.


Main Responsibilities:

  • Develop, test, and maintain serverless microservices (e.g., AWS Lambda) using Node.js, Nest.js, and TypeScript.

  • Design and implement APIs that are scalable, secure, and easy to integrate.

  • Collaborate with frontend teams and other stakeholders to ensure smooth end-to-end functionality.

  • Write clean, maintainable, and well-documented code aligned with team standards.

  • Contribute to code reviews and support continuous improvement of backend practices.

  • Participate in troubleshooting and debugging to resolve issues in development and production environments.

  • Assist in monitoring system performance and identifying opportunities for optimization.

  • Stay up to date with backend development trends and emerging tools.


Key Requirements:

  • Experience with Node.js and Nest.js.

  • Proficient in TypeScript.

  • Experience with serverless architectures, particularly on AWS Lambda.

  • Knowledge of API design and implementation.

  • Experience collaborating with cross-functional teams.


Nice to Have:

  • Familiarity with DevOps practices.

  • Experience in the advertising technology space.

  • Knowledge of performance optimization techniques.


Other Details:

  • Work type: Remote

  • Team Structure: Collaboration with frontend developers, DevOps, and product teams.

  • Salary: 35-40 euro/h

  • Contract Length: 6 months+ possible extensions