Web Application Developer - Summer Trainee (Kraków)

Job description

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. Duration: 3 months: Date: 1.07.2026-30.09.2026 Must-have: - Develop and maintain full-stack web applications for internal use. - Collaborate with the team to design user-friendly interfaces and implement backend functionalities. - Write clean, maintainable, and efficient code using modern web development frameworks. - Troubleshoot and resolve software defects and performance issues. - Document development processes, changes, and best practices. - Active student status - Good English, both spoken and written - Willingness to work full-time during the summertime - Knowledge of front-end technologies : HTML, CSS, JavaScript (React, Angular, or Vue.js). - Understanding of back-end development using Node.js, Python (Django/Flask), or Java (Spring Boot). - Familiarity with databases (SQL, PostgreSQL, MongoDB, or Firebase). -...