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Senior Fullstack Developer
  • Kraków
Senior Fullstack Developer
Kraków, Kraków, Lesser Poland Voivodeship, Polska
KEEPIT POLAND SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ
12. 2. 2026
Informacje o stanowisku

technologies-expected :


  • JavaScript
  • TypeScript
  • RESTful API
  • PostgreSQL
  • Node.js

technologies-optional :


  • React.js
  • Vue.js
  • Angular.js

responsibilities :


  • We are looking for an experienced Full Stack Developer to design, build, and maintain production-grade applications and systems using JavaScript, TypeScript and Node.js. In this role, you will collaborate with cross-functional teams across sales, marketing, and operations to deliver scalable and reliable solutions. A proactive approach, strong collaboration skills, and a commitment to continuous improvement are key to success in this role.

requirements-expected :


  • 5+ years of professional experience in full-stack application and system development
  • Proven track record building and maintaining production-grade applications
  • Experience working with cross-functional teams including sales, marketing, and operations
  • Strong proficiency in JavaScript/TypeScript for both frontend and backend development
  • Deep understanding of PostgreSQL database design, optimization, and management
  • Expert-level knowledge of RESTful API design, development, and consumption
  • Experience with SOAP API integration and XML processing
  • Proficiency with modern frontend frameworks (React, Vue, or Angular)
  • Backend development experience with Node.js or similar server-side JavaScript frameworks
  • Hands-on experience with iPaaS platforms: Zapier, Workato, or n8n
  • Ability to design and implement complex multi-system integrations
  • Experience building custom connectors and middleware solutions
  • Understanding of event-driven architectures and webhook implementations

offered :


  • Official employment – Umowa o pracę contract
  • 4 additional working days of vacation leave per full calendar year
  • 3 days of internal sick leave without a doctor`s note
  • Health and Life Insurance
  • Employee Capital Plan (PPK)
  • Multisport card compensation
  • Coverage of professional training sessions, meetups, etc.
  • English-speaking club with native speakers
  • Polish language classes
  • Internet and Glasses reimbursement
  • Cosy office in Krakow city centre (Długa, 72) with beverages, fruit, and cookies
  • Winter and summer parties, events, team-buildings

  • Praca Kraków
  • Kraków - Oferty pracy w okolicznych lokalizacjach


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