Senior Node.js/TypeScript Developer (Remote)

Infolet

26000-31800 PLN miesięcznie (B2B)

Czym będziesz się zajmować?

YOU WILL
  • Design, develop, and maintain backend applications and REST APIs using Node.js, Express, JavaScript, and TypeScript.
  • Build and maintain middleware layers and service integrations.
  • Write clean, maintainable, and well-tested code following modern software development practices.
  • Develop and maintain unit and integration tests using Jest, Vitest, or similar frameworks, applying TDD principles.
  • Analyze and troubleshoot runtime errors, performance issues, and application regressions.
  • Work with asynchronous processing, batch operations, and database transactions.
  • Identify and resolve security vulnerabilities in application code and dependencies.
  • Configure, maintain, and troubleshoot CI/CD pipelines using Azure DevOps or GitHub Actions.
  • Design and implement observability, monitoring, and corrective tools for operations and support teams.
  • Leverage AI-assisted and agentic coding tools, including Claude Code, GitHub Copilot, and MCP.
  • Collaborate with international development and operations teams.

Kogo poszukujemy?

MUST HAVE
  • Strong commercial experience with JavaScript (ES6+) and TypeScript.
  • Solid knowledge of TypeScript fundamentals, including interfaces, generics, type inference, and type safety.
  • Experience with TypeScript configuration (tsconfig.json) and integration with build tools.
  • Hands-on experience developing backend applications and REST APIs using Node.js and Express.
  • Good understanding of the Node.js event loop, asynchronous execution, batch processing, and database transactions.
  • Experience with unit and integration testing using Jest, Vitest, or similar frameworks, including TDD practices.
  • Strong debugging and troubleshooting skills, including performance analysis and regression investigation.
  • Experience managing dependencies within the NPM ecosystem, including package versioning and security vulnerability remediation
  • Practical experience with Azure DevOps or GitHub Actions and CI/CD pipelines
  • Experience with AI-assisted development and agentic coding, including Claude Code or GitHub Copilot, MCP, skill design, and context engineering
  • Experience designing observability and corrective tooling for production systems
  • Strong understanding of software engineering best practices and maintainable code design
  • Fluent in English and experience working in international, distributed teams

Czego wymagamy?

Znajomości:

Języki:

  • Polski
  • Angielski

Jakie warunki i benefity otrzymasz?

  • 155-189 PLN godzinowo (B2B)
  • B2B - Elastyczne godziny pracy (100%)
  • 18600-22800 PLN miesięcznie (Umowa o pracę)
  • Umowa o pracę - Elastyczne godziny pracy (100%)
  • Praca zdalna: W całości
  • Szkolenia wewnętrzne
  • Pakiet medyczny, Ubezpieczenie, Pakiet sportowy
  • Kawa / Herbata
  • Parking rowerowy

Gdzie będziesz pracował?

Zdalnie

Kim jesteśmy? – Infolet

Od 20 lat wspieramy liderów IT, dostarczając technologie, ekspertów i pełne wsparcie operacyjne - w tym legalizację pobytu i pracy międzynarodowych specjalistów IT Do naszych projektów poszukujemy specjalistów Java, JavaScript, C embedded, C++, PHP, specjalistów od mobile, testerów oprogramowania, administratorów sieci i systemów i wielu innych.

Strona firmy: Infolet