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    Senior QA Engineer - Trading & Analytics

    Freedx
    ArmeniaTELECOMMUTE
    Remote
    Senior
    Full Time
    19 days ago
    QASeniorCryptocurrencyTradingRemote

    Requirements

    • 4+ years of QA experience
    • Experience with crypto or FX exchanges, brokerage, fintech, or trading platforms
    • Strong understanding of order books, order types, liquidity, margin, PnL, fees, and liquidation
    • Experience testing APIs, WebSockets, databases, analytics dashboards, and complex data flows
    • Experience with functional, integration, regression, and end-to-end testing
    • Ability to validate financial calculations and complex business logic
    • Ability to analyze system behavior across multiple connected services
    • Strong analytical, technical, and communication skills
    • High attention to detail and a structured approach to problem-solving
    • English level B2
    • Strong experience testing REST APIs using Postman or similar tools
    • Experience working with Swagger/OpenAPI documentation
    • Experience testing WebSocket connections and streamed data
    • Good knowledge of HTTP, JSON, authentication methods, request headers, status codes, and API error handling
    • Experience using browser developer tools for frontend and network debugging
    • Experience with log monitoring and analysis tools such as Kibana, Grafana, Datadog, or similar
    • Experience with performance-testing tools such as JMeter, k6, or similar
    • Experience with test management and issue-tracking tools such as Jira, TestRail, Zephyr, or similar
    • Understanding of microservice architecture, message queues, and asynchronous system communication

    What You'll Do

    • Own the QA process for trading and analytics products
    • Review product requirements and identify missing scenarios, risks, and technical dependencies
    • Test order creation, execution, cancellation, rejection, and order status transitions
    • Test system integrity, real-time market data, WebSocket streams, and synchronization between services
    • Validate PnL, margin, liquidation, fees, balances, funding, and risk-control calculations
    • Test trading dashboards, system analytics, reports, and data consistency
    • Perform functional, integration, API, UI, regression, and end-to-end testing
    • Create test plans, test cases, checklists, test data, and regression suites
    • Verify that product delivery meets functional, technical, and quality standards
    • Test negative scenarios, edge cases, service failures, and recovery flows
    • Investigate production issues, reproduce defects, analyze logs, and support incident reviews
    • Work closely with Product Managers, developers, DevOps, data, and support teams
    • Improve release validation, defect prevention, QA processes, and test coverage
    • Cross device product support

    Nice to Have

    • Experience with test automation
    • Knowledge of authentication, payments, deposits, withdrawals, and balance operations
    • Experience with Kafka, RabbitMQ, or similar technologies
    • Ability to write SQL queries and validate data directly in databases
    • Experience with automation tools such as Playwright, Cypress, Selenium, or similar

    Benefits

    • Equal opportunity employer
    • Open and inclusive work environment fostering well-being
    • Embraces and encourages diversity in age, color, disability, ethnicity, family or marital status, gender identity or expression, language, national origin, physical and mental ability, race, religion, sexual orientation, socio-economic status, veteran status, and other unique characteristics

    About Freedx

    Freedx is a next-generation cryptocurrency exchange built by traders, for traders.

    Dubai, UAE
    50 - 100
    Blockchain & Cryptocurrency