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IT Support Engineer

Warsaw, Masovian Voivodeship, pl💼 Full-time🗓 2026-08-13 → 2026-09-25

Core

Maintaining and developing custom internal business applications, diagnosing bugs in C# and SQL, and resolving support tickets.

Role type

Application Support Engineer (C# / SQL)

Builds

Proprietary business applications

Domain

IT Services / Enterprise Software Support

Deliverable

client delivery

Required skills

SQL query writing, C# code reading, OOP concepts, ticketing system documentation, business domain learning

Preferred skills

Visual Studio, SQL Server Management Studio, Git, SVN, Rest API, Angular, MS SQL Server, Informix

Responsibilities

Analyzing issues in C# code and SQL databases, retrieving source code and reproducing reported bugs, documenting problem resolutions, escalating complex tickets to third-line support

Seniority

Individual Contributor

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