QA Engineer (Casino)
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.
- 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.
- 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.
- 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
888 is one of the world's leading online betting and gaming brands, operated by the London-listed group Evoke plc (formerly 888 Holdings). Founded in 1997, the business runs the 888casino, 888poker and 888sport brands and, after acquiring William Hill's international operations in 2022, became part of one of the largest online gambling groups in the world. It is headquartered in Gibraltar, with major operational hubs in Leeds, London, Malta, Bucharest, Sofia and Tel Aviv. The company develops much of its own gaming technology and operates across regulated markets in the UK, Europe, the Americas and Africa.
