Design and execute comprehensive test scenarios for RESTful microservices related to our services. Understand HTTP methods, status codes, headers, and payload structures (JSON/XML) inside out;
Validate complex financial logic, ensuring wallet balances, deposits, and withdrawals are calculated with absolute precision across various currencies;
Test the handshake between our internal services and third-party providers, extra services and other team dependencies;
Verify data consistency and state transitions directly in the database (SQL) before and after request processing;
Investigate issues by analyzing server-side logs (Grafana/Loki/Opensearch) and tracing request flows through microservices;
Collaborate with developers and product managers to sign off on releases, ensuring zero-downtime deployments and backward compatibility;
Maintain clear, concise test documentation and API contracts (Swagger/OpenAPI);
Involving all the time into development and release processes for better QA processes, participate in grooming sessions.

4+ years of professional experience in Quality Assurance, with a strong focus on Backend/API testing;
Strong understanding of software testing theory and methodologies;
Good understanding of client-server architecture;
Familiarity with Git flows and CI/CD concepts (understanding how code moves from dev to production);
Experience testing systems using message brokers (e.g., Kafka, RabbitMQ);
Ability to read or write basic scripts to generate test data or automate simple API calls (even if the role is manual, this helps);
Experience in Gambling, Betting, FinTech, or Banking sectors will be a plus;
Experience in DB queries (SQL)
will be a plus;
Understanding of basic security testing and authentication protocols (OAuth2, JWT).

Health & Wellness Focus
Global Medical Coverage
Growth Opportunities
Benefits Programs (compensation for the gym/stomatology/psychological service & etc.)
Performance-Driven Rewards
Dynamic Work Environment

Senior QA Engineer

Key skills