QA Engineer (Casino)
Description
We are looking for an experienced Frontend QA Engineer to help us deliver uncompromised quality to our products - and most importantly, to our players. In this role, you will take full ownership of end-to-end client flows, working as an integral part of a Scrum team, using modern technologies, agile methodologies, and data-driven quality practices. As a QA Engineer, you will be involved throughout the entire development lifecycle - from test design and planning, through execution and deployment, to production monitoring and continuous improvement based on quality KPIs that you help define and evolve.
Responsibilities
- Review and analyze product requirements, specifications, and technical design documents.
- Own and manage the overall quality strategy for frontend features and user flows.
- Design comprehensive test plans and test strategies based on deep understanding of business logic and system architecture.
- Execute manual and exploratory testing for complex frontend systems.
- Collaborate closely with developers, product managers, designers, and backend teams to ensure quality across the SDLC.
- Identify risks early and provide practical, system-level solutions to quality issues.
- Define, track, and analyze quality KPIs using production data and monitoring tools.
- Establish processes and preventive measures to reduce production defects.
- Monitor production environments, investigate incidents, and drive continuous quality improvements.
- Contribute to automation efforts and quality tooling where relevant.
Requirements
- 3+ years of experience as a Frontend QA Engineer.
- Strong knowledge of QA processes and methodologies (test planning, design, execution, and strategy).
- Proven ability to plan and execute tests for complex systems with deep business logic.
- Experience working with cross-functional teams in agile/Scrum environments.
- Strong analytical, troubleshooting, and root-cause analysis skills.
- Ability to work autonomously with minimal supervision.
- Extensive experience with logging and monitoring systems (e.g., Kibana, Firebase, Logstash, New Relic, TrackJS, Logmatic, or similar).
- Experience with SQL for data validation and investigation.
- Experience with API testing (REST, JSON, Postman, etc.).
- Strong experience using browser debugging and developer tools.
- Hands-on experience with production monitoring and quality validation in live environments.
- Experience with test automation – an advantage.
- Advanced English (written and verbal).
Additional Advantages:
- Experience testing AI-driven features, machine-learning-based systems, or data-driven decision engines.
- Understanding of AI/ML concepts such as model behavior, data quality, bias, and edge cases.
- Experience validating AI outputs, recommendations, personalization, or prediction logic.
- Familiarity with data pipelines, feature flags, or experimentation frameworks (A/B testing).
- Experience working in gaming, real-time systems, or high-traffic consumer products.
Benefits
- Hybrid work model
- Free parking in the building + free electric car charging
- Broad collective health insurance (with options for family members and extensions)
- Birthday gift + day off during your birthday month
- Refer a friend - bonus or gift card
- HitechZone membership
- Gifts on holidays and life events
- Ten Bis
