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Node.js Middle+/Senior Developer

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Location:
Poland

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Category:
IT - Software Development

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Contract Type:
Not provided

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Salary:

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Job Description:

We’re looking for a talented and driven Backend Developer with solid experience in JavaScript/TypeScript, who is comfortable contributing to frontend tasks when needed. In this role, you’ll take ownership of backend systems while supporting the development of modern, cloud-native products in a collaborative and growth-oriented environment.

Job Responsibility:

Take ownership of backend systems while supporting the development of modern, cloud-native products

Requirements:

  • 5+ years of commercial experience in software development
  • Backend development with Node.js (Fastify / Serverless Framework)
  • Proficiency in JavaScript/TypeScript
  • Hands-on experience with React (Zustand or Context API and Saga middleware)
  • Familiarity with AWS services (Lambda, EC2, S3)
  • Experience working with PostgreSQL / MySQL
  • Solid understanding of RESTful API design, modular architecture, and asynchronous workflows
  • Proficient with Git for version control
  • English level B2 or higher

Nice to have:

  • Background or working knowledge in Python
  • Experience using CI/CD tools like Github actions or AWS Code Pipelines
  • Familiarity with Docker and containerization concepts
  • Experience with Fintech / Stock Trading projects
  • Experience in writing automated tests (Jest, Enzyme, React Testing Library)
What we offer:
  • Projects for such clients as PayPal, Wargaming, Xerox, Philips, Adidas and Toyota
  • Competitive compensation that depends on your qualification and skills
  • Career development system with clear skill qualifications
  • Flexible working hours aligned to your schedule
  • Options to work remotely
  • Corporate medical insurance covering services of private and public medical centers
  • English courses online
  • Corporate parties and events for employees and their children
  • Internal conferences, workshops and meetups for learning and experience sharing
  • Gym membership compensation
  • 5 days of paid sick leave per year with no obligation to submit a sick-leave certificate

Additional Information:

Job Posted:
May 16, 2026

Work Type:
On-site work
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