Summer Trainee is a short-term paid internship, that allows you to kickstart your fabulous journey in the Telecom world. As our Trainee you can get your first experience and learn from the best experts in this field. The internship usually lasts 3 months from July to September. We are open to offering the best talents a chance to continue working with us. #OpenToYou.

Position: Web Application Developer - Summer Trainee
Duration: 3 months
Date: 1.07.2026-30.09.2026
Location: Poland, Kraków

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Summer Trainee is a short-term paid internship, that allows you to kickstart your fabulous journey in the Telecom world. As our Trainee you can get your first experience and learn from the best experts in this field. The internship usually lasts 3 months from July to September. We are open to offering the best talents a chance to continue working with us. #OpenToYou.

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Must-have:

• Active student status preferably in Engineering, Telecommunications, Computer Science, Artificial Intelligence, Data Science or related field

• Basic knowledge of AI / Machine Learning concepts

• Good English and Polish, both spoken and written

• Willingness to work full-time during the summertime on-site in the office in Kraków

• Knowledge of IP networks

• Knowledge of Linux OS (command line)

• Analytical and system-level thinking

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• Participate in evaluation and testing of internal AI tools used for log analysis and defect detection

• Support development and refinement of AI-assisted testing solutions

• Contribute to preparation and structuring of datasets for AI tool improvement

• Create system-level test plans and execute integration and end-to-end test scenarios

• Prepare and configure system test environments

• Validate new features, analyze logs, and report defects

• Develop and maintain basic test automation scripts

• Cooperate with specification teams, software developers, and integration engineers