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April 25, 2026

Senior Node.js Engineer

Senior • Remote

17,500 - 24,500 PLN

Krakow, Poland

We are looking for an experienced Node.js Engineer to join a team building and scaling a modern data-driven platform.

Your responsibilities:

  • Design, build, and maintain backend services using Node.js

    Develop scalable APIs (REST / GraphQL)

    Contribute to system architecture, performance, and scalability improvements

    Own the full development lifecycle: implementation, testing, deployment, and maintenance

    Collaborate closely with product, frontend, and DevOps teams in an Agile (Scrum) environment

    Participate in technical decision-making and drive best practices

🧠 Our requirements:

  • 5+ years of experience with JavaScript / Node.js

  • Strong proficiency in TypeScript

  • Hands-on experience designing and building RESTful and/or GraphQL APIs

  • Solid understanding of databases (relational and NoSQL, e.g., MySQL, MongoDB, Redis)

  • Experience with AWS (e.g., EC2, Lambda, SQS)

  • Good understanding of software architecture and scalable systems

  • Experience with frameworks such as Express or Next.js

  • Knowledge of web fundamentals (e.g., CORS) and security best practices (OWASP)

  • Ability to work independently and support team-level technical decisions

  • Fluent English (B2+)

  • Availability overlapping with US Eastern Time core hours

🌟 What we offer:

  • Remote work

  • Flexible cooperation model (B2B / employment contract)

  • Opportunity to work on a scalable, data-focused platform

  • Collaboration with a highly skilled engineering team

  • Real impact on technical decisions and system architecture