Manual QA Engineer (iGaming)

The Opportunity

We are looking for a Manual QA Engineer who deeply understands iGaming, game rounds, RTP behavior, betting logic, and user experience in real-money games. You will test game clients, backend integrations, round flows, UI/UX, animations, and performance under various scenarios. Your work will be essential for ensuring that every release is stable, predictable, and behaves exactly as designed.

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Key Responsibilities

• Test game clients including UI, animations, round sequences, balance changes and user interactions.
• Verify correctness of game mechanics such as bets, wins, multipliers, RTP-driven behavior and edge cases.
• Test backend integrations with aggregators, operators and game servers.
• Validate API responses, WebSocket communication, status synchronization and round lifecycle.
• Perform exploratory testing of new game mechanics and prototype features.
• Create, maintain and document detailed test cases, checklists and test plans.
• Reproduce, analyze and document defects with clear scenarios and logs.
• Collaborate with developers, game designers, backend engineers and QA automation.
• Check visual accuracy, UI alignment, performance, transitions and player experience.
• Test integrations, iframe behaviors, loading flows and multi-device compatibility.
• Ensure release readiness, verify regression coverage and maintain product quality standards.

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What You Bring

• Experience as a Manual QA Engineer in iGaming or game development.
• Understanding of game logic, including bets, payouts, round progression, RTP, and bonus features.
• Experience testing interactive UI, animations, and dynamic elements.
• Strong backend testing skills, including business logic, calculations, and state transitions.
• Good understanding of client–server architecture.
• Hands-on experience working with sockets and WebSockets for real-time game flow, events, and state synchronization.
• Understanding of REST APIs.
• Strong analytical skills and ability to catch edge-case bugs.
• Experience with test case creation and structured documentation.
• Attention to detail and ability to work with complex logic.
• Experience reproducing complex issues and working closely with developers.
• Understanding of cross-browser and cross-platform testing.
• Russian: native speaker (mandatory).

Nice to have

• Experience working with aggregators or operator integrations.
• Knowledge of test management tools such as TestRail or Zephyr.
• Basic SQL skills for checking data correctness in databases.
• Experience working with logs, monitoring tools or developer consoles.
• Understanding of automation basics or interest in learning Playwright/Cypress.
• Experience testing high-load or real-time systems.
• Strong interest in game mechanics, math models and user behavior analysis.
• Experience dealing with abuse / exploit scenarios in iGaming (bonus abuse, edge cases, timing issues).
• Basic+ knowledge of security testing (input validation, basic fraud vectors, client-side trust issues).
• Hands-on experience or familiarity with load / stress testing (real-time systems is a plus).

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What Makes Us Different

• A startup heart with holding-level ambition: we grow fast and think big.
• True work autonomy:  freedom to experiment, test, fail, and scale what works.
• Zero outdated rules: no “because we’ve always done it this way” mindset; we challenge norms every day.
• Flexible full-time setup: core hours (11–16 CET) for collaboration, the rest of the day you organize your way, keeping your manager in the loop.
• Day-off policy that respects real life:  work should support life, not the other way around.
• Culture of care: we look after people, not just projects or metrics.
• Space to grow with the company: as we expand, so do your roles, skills, and responsibilities.