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September 3, 2026

Senior Full Stack Developer – Node.js & JavaScript

Senior • On-site

29,610 - 35,700 PLN/yr

Krakow, MA, Poland

Hybrid work model.

Description

As a Senior Full Stack Developer – Node.js & JavaScript, you will deliver and support innovative products throughout the software lifecycle. The role enables data-driven insights through advanced analytics and telemetry platforms and offers the opportunity to contribute to banking technologies.

Your main responsibilities

  • Participate in software architecture design to innovate and optimize solutions
  • Implement robust solutions using design patterns and industry standards
  • Analyze requirements to understand end-to-end solutions and recommend improvements
  • Create comprehensive documentation for developed solutions
  • Develop and test application prototypes to validate concepts and designs
  • Manage changes throughout the service management lifecycle
  • Engage in automation and process improvement initiatives
  • Communicate with customers to understand needs and deliver tailored solutions

Required qualifications

  • At least 5 years of professional experience in backend development
  • Strong skills in Node.js, Web APIs, and PostgreSQL database design
  • Solid understanding of SDLC processes and best practices
  • Excellent problem-solving abilities and attention to detail
  • Strong interpersonal and team collaboration skills
  • Proficiency in Git
  • English at B2+ / communicative level
  • Existing legal right to work in the European Union

Preferred qualifications

  • Experience with Go, JavaScript frameworks such as React or Angular 2+, HTML5, and CSS
  • Production-environment support experience and strong service management skills

Application

Apply with a CV, preferably in English, and a statement consenting to the processing and storage of personal data.

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