Senior QA Engineer (Web3)
Вакансия из Hirify Global, списка международных tech-компанийДля мэтча и отклика нужен Plus
Мэтч & Сопровод
Для мэтча с этой вакансией нужен Plus
Описание вакансии
TL;DR
Senior QA Engineer (Web3/Fintech): Ensuring the quality and reliability of trading products for a centralized cryptocurrency exchange with an accent on financial calculations and real-time data streams. Focus on validating order execution, PnL calculations, WebSocket synchronization, and API integrity under complex failure scenarios.
Location: Remote
Company
is a newly established cryptocurrency exchange focused on building a scalable, compliant, and liquidity-driven trading platform.
What you will do
- Own the QA process for trading and analytics products, including requirement review and risk identification.
- Test core trading operations: order creation, execution, cancellation, and status transitions.
- Validate complex financial logic including PnL, margin, liquidation, fees, and balances.
- Verify system integrity, real-time market data via WebSocket streams, and cross-service synchronization.
- Perform functional, integration, API, UI, and end-to-end regression testing.
- Investigate production incidents, analyze logs, and improve overall release validation processes.
Requirements
- 4+ years of professional QA experience.
- Experience with crypto, FX exchanges, brokerage, or fintech trading platforms.
- Deep understanding of order books, liquidity, margin, PnL, and liquidation mechanisms.
- Proficiency in testing REST APIs (Postman) and WebSocket connections.
- Ability to validate complex financial calculations and analyze microservice architectures.
- English: B2 level required
Nice to have
- Experience with test automation tools such as Playwright, Cypress, or Selenium.
- Knowledge of payments, deposits, withdrawals, and balance operations.
- Ability to write SQL queries for direct data validation in databases.
- Experience with Kafka, RabbitMQ, or similar message queue technologies.
Culture & Benefits
- Open and inclusive work environment that fosters well-being.
- Focus on operational discipline and sustainable growth.
- Equal opportunity employer embracing diversity across all characteristics.
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