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IT Application Support Intern (f/m)

Warszawa, Województwo mazowieckie, pl💼 Internship🗓 2026-08-24 → 2026-09-27

Core

Paid internship role bridging technical support and software development, focusing on investigating code, diagnosing defects, and implementing fixes under mentorship.

Role type

IT Application Support Intern

Builds

Application execution flows, test environments, and straightforward code-level hotfixes for internal software products.

Domain

Software Engineering / Application Support

Required skills

Java (reading code, tracing runtime flow), SQL (Oracle, writing simple queries), React (components, state, JavaScript/TypeScript), Issue Analysis, Defect Replication, Bug Resolution

Preferred skills

Spring Boot, Hibernate, Application server logs, Swagger, Automated testing concepts, REST APIs (Postman), Version Control (Git/Bitbucket)

Responsibilities

Reviewing 2nd level support reports and tracing application execution flows, Reproducing and isolating software defects in test environments, Designing and implementing straightforward code-level hotfixes, Assisting developers and support specialists in day-to-day incident resolution

Seniority

Intern

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