(Junior) QA Engineer/Software Tester at CHECK24

Language

Setup: Hybrid
Location: Dortmund, North Rhine-Westphalia · North Rhine-Westphalia · +1
Type: Full-time
Level: not_specified
Posted: Aug 14, 2026

Description

Check24 Steuer is seeking a Junior QA Engineer/Software Tester to join their team in Dortmund. The role involves ensuring the reliability of tax product features, analyzing error patterns, and improving product quality through structured testing, exploration, and automation. Responsibilities include testing across various platforms, deep analysis of functional requirements, designing and expanding test cases, developing automated testing approaches, validating AI-supported functions, and contributing to continuous process improvement.

Required Skills

Analytical Thinking
Quality Awareness
Scripting or Programming
Test Automation
Exploratory Testing
Structured Testing
Error Analysis
Product Improvement
AI Validation
LLM Results
Automated Decision-Making
Functional Requirements
Decision Logics
Special Cases
Edge Cases
Error Scenarios
Test Case Creation
Test Scenario Expansion
Recurring Checks
Scalable Approach
Process Quality
Release Accompaniment
New Feature Review
Continuous Improvement
Solution-Oriented Working Style
German Language Skills

Additional Information

Preferred Qualifications: Strong analytical thinking and enjoyment in systematically working through complex rulesets, system interdependencies, and decision logics.
A high level of quality awareness, accuracy, and a good instinct for details, special cases, edge cases, and risks.
First knowledge of scripting or programming and the motivation to further develop yourself in test automation, quality assurance, and modern testing approaches.
Interest in systematically verifying and improving AI-supported functions, LLM results, and automated decision-making processes.
A structured, self-driven, and solution-oriented working style, with the goal of not only finding errors, but understanding causes sustainably.