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September 29, 2026

Backend Node.js Engineer

Senior • On-site

11,000 - 18,000 PLN/yr

Kraków, MA, Poland

Quick Facts

  • Backend role focused on audio/video publishing workflows
  • Builds scalable Node.js services and APIs for platform tools

Description

You will develop and maintain backend solutions for an audio and video publishing platform, covering upload, encoding, streaming, and media/player integrations. The role focuses on scalable Node.js services, automation tools, system monitoring, and reliability through testing and incident handling. You will also work with AWS infrastructure and integrate LLM/Generative AI capabilities into production workflows.

Responsibilities

  • Develop and maintain solutions/tools for platform users in the audio/video domain
  • Implement and maintain backend applications (Node.js)
  • Collaborate on planning, evaluation, technical debt, and AWS/infrastructure cost considerations
  • Contribute to project documentation
  • Monitor systems and implement optimizations for performance, security, and scalability
  • Ensure quality and stability (tests and test execution)
  • Maintain systems and handle outages

Requirements

  • Minimum 5 years of experience as a Software Engineer
  • Strong JavaScript/TypeScript proficiency
  • Experience designing and building scalable Node.js backend applications
  • Hands-on ability to build and deploy solutions using LLMs and Generative AI
  • Knowledge of AWS and experience designing cloud-based solutions
  • Kubernetes knowledge for deployment, configuration, and maintenance
  • Experience with SQL and NoSQL databases
  • Understanding of modern software engineering practices, CI/CD, and Agile
  • Ability to collaborate effectively and communicate clearly

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