Winter Internship — Python/Java/C# Full-Stack Developer

Xelerit

Gdańsk, Pl-Pm, Poland • 33m ago • On-site

Intern

On-site

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Quick Facts

  • Paid winter internship (January–March 2027)
  • Full-time, 40h/week
  • Location: Gdańsk (Olivia Center)
  • Potential for ongoing collaboration after the internship

Description

You’ll join a full-stack internship program with a development track in Python, Java, or C#. From the first day, you’ll work on real code that goes into production, supported by mentoring from senior engineers. After the paid 3-month period, there is a real opportunity for continued employment.

Responsibilities

  • Build and contribute to production-bound software from day one
  • Develop using one of the chosen tracks: Python, Java, or C#
  • Collaborate and iterate with feedback from senior mentors

Requirements

  • Solid foundations in at least one of: Python, Java, C#
  • IT-related education (student or recent graduate)
  • Understanding of object-oriented programming, data structures, and databases (SQL)
  • Ability to use Claude or other AI/LLM tools that speed up coding
  • Willingness to learn, openness to feedback, proactive problem-solving
  • Fluent Polish and English (minimum C1) for international clients

Benefits

  • 3-month paid internship (January–March 2027)
  • Mentoring from senior engineers
  • Real projects with production code from day one
  • Real prospect of permanent collaboration after the internship

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