Evolution
Senior QA Automation Engineer
- Location
- Sofia, Sofia City Province, Bulgaria
- Work model
- OnSite
- Seniority
- Senior
- Employment
- FullTime
- Posted
- Added to Codestelle
Language requirements
- German
- Not specified
- English alone
- Not specified
Based on explicit wording in the listing. “Not specified” does not mean a language is optional.
About this role
You will be part of a newly created, autonomous QA team led by experienced professionals and consisting of newly hired QA Automation Engineers. The team operates independently, with direct guidance and mentorship from the MQA Lead. Your main responsibilities will be:
Create and maintain automated tests for games from a re-launched iGaming brand
Work with an existing Java-based automation framework
Adapt and extend the framework for new game mechanics and validation needs
Validate game responses, feature logic, state transitions, wins, multipliers, and edge cases
Execute and analyze large simulation samples to ensure game mathematical output matches the official game logic document/spec
Analyze failed automation runs and identify the real source of the issue
Improve the speed, efficiency, reliability, maintainability, and reporting of the automation framework
Collaborate with QA, developers, math/game teams, and product stakeholders
Help define test coverage for new games and features
Senior-level expertise as an Automation QA Engineer, QA Automation Engineer, or SDET
Experience working with backend/service-level automation, not only UI automation
Experience with custom or internally built frameworks
Experience investigating whether failures come from the product, test logic, framework, or integration layer
Experience optimizing high-volume simulation speed and performance
Strong Java automation skills
Ability to debug, extend, and adapt existing frameworks
Strong API/backend testing knowledge
Ability to validate structured responses, especially JSON
Good understanding of test design, assertions, and edge-case validation
Strong debugging and problem-solving skills
Git knowledge
Ability to read technical specifications and convert them into automated checks
Strong understanding of mathematical models and statistical distribution
Node.js knowledge is a plus
Nice to have:
iGaming, casino, or slot game testing experience is a strong plus
Experience with game mechanics such as free spins, respins, multipliers, jackpots, bonus features, game states, or choice-based flows is a plus