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QA Automation Engineer

Evolution • Sofia, Sofia-City, Bulgaria

onsitefull-time
Posted Sep 18, 2026

**Role & seniority: ** QA Engineer (Automation-focused), Math QA team (seniority not explicitly stated)

**Stack/tools: ** Node.js, Git, JSON; automation testing framework (specific tools not listed)

**Top 3 responsibilities: **

  • Adapt/extend the automation framework for new game mechanics and validation requirements

  • Validate backend request/response flows, feature logic, state transitions, and edge cases (wins/multipliers)

  • Run/analyze large simulations to ensure outputs match the official game logic spec; investigate failed automation runs

  • Must-have skills:

    • Automation testing experience

    • Strong technical knowledge: Node.js, Git, JSON

    • QA/testing principles and methodologies; strong bug reporting discipline

    • Analytical thinking, attention to detail

    • Ability to determine whether failures originate from product, test logic, framework, or integration layer

    • Experience optimizing high-volume simulation performance/speed

    • Team communication and collaboration

  • Nice-to-haves:

    • iGaming/casino/slot game testing experience

    • Familiarity with mechanics/features: free spins, respins, multipliers, jackpots, bonus features, game states, choice-based flows

  • Location & work type: Sofia, Bulgaria; flexible working hours (work type not explicitly stated; likely onsite/hybrid not specified)

Full Description

Company Description We’re Red Tiger, a dynamic and self-contained team within the vast Evolution ecosystem, thriving with 200 talented professionals based in Sofia. Our expertise spans from product inception to final development, covering product, art, development, and more. Proudly 100% made in Bulgaria, we take immense pride in our achievements, adaptability, and the high quality of our games. As a QA Engineer (Automation-focused) in our Math QA team, you will help ensure the accuracy and reliability of the backend logic that powers our online games. You will be responsible for learning to design and execute automated test cases for request/response flows and contributing to the automation framework that guarantees high-quality releases. If you love working at the intersection of technology, mathematics, and gaming, and you want to step into the iGaming world, this is the role for you. Job Description

Responsibilities

  • 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

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
  • Qualifications
  • Previous experience in Automation testing
  • Strong technical knowledge in Node.js, Git and JSON.
  • Strong analytical thinking and attention to detail.
  • Knowledge of QA principles, testing methodologies, and bug reporting.
  • Good communication skills and ability to work in a team environment.
  • Experience investigating whether failures come from the product, test logic, framework, or integration layer
  • Experience optimizing high-volume simulation speed and performance

What we offer

  • Environment tailored to allow you to realize your full potential.
  • Awesome mix between all benefits of a large company and all advantages of creative startup culture.
  • Tailor-made career program and many opportunities to grow and prove yourself.
  • Company funded training.
  • Flexibility on working hours
  • Multisport/Coolfit card;
  • Additional health insurance.
Automation testingNode.jsGitJSONAnalytical thinkingQA principlesTesting methodologiesBug reportingCommunication skillsTeamworkSimulation testingPerformance optimizationmulti-location

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