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15 часов назад

Java Backend QA Engineer (Web3)

Формат работы
remote (только China/Hong_kong)
Тип работы
fulltime
Грейд
junior
Английский
b2
Страна
China/HK
Вакансия из списка Hirify.GlobalВакансия из Hirify Global, списка международных tech-компаний
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Описание вакансии

Текст:
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TL;DR

Java Backend QA Engineer (Web3): Ensuring the quality of complex financial and Web3 products through deep technical white-box testing with an accent on Java backend services and blockchain transactions. Focus on designing automated test frameworks, analyzing source code for logic flaws, and leveraging AI tools to amplify testing efficiency.

Location: Remote (Hong Kong)

Company

hirify.global is a leading global blockchain ecosystem behind the world’s largest cryptocurrency exchange by trading volume and registered users.

What you will do

  • Design and execute white-box and grey-box test strategies for Java-based backend services, including unit, integration, and API testing.
  • Analyze Java source code to identify edge cases, logic flaws, and potential risk points.
  • Build and maintain automated test frameworks and tooling for financial backend systems.
  • Validate blockchain transactions, web3 wallet operations, and on-chain/off-chain data consistency.
  • Investigate production issues and trace root causes through logs, DB records, and service call chains.
  • Leverage AI tools for test generation, log analysis, and code review to increase efficiency.

Requirements

  • 1+ years of experience in software testing or backend development.
  • Solid proficiency in Java, including reading, writing, and debugging code.
  • Hands-on experience with REST APIs, message queues (Kafka), and databases (MySQL/Redis).
  • Familiarity with microservice architectures and distributed systems concepts.
  • Strong analytical mindset with high attention to detail.

Nice to have

  • Experience in fintech, crypto, or blockchain domain testing.
  • Knowledge of web3 wallets, on-chain data, or DeFi protocols.
  • Familiarity with Spring Boot, Dubbo, or similar Java frameworks.
  • Exposure to white-box testing techniques: code coverage, mutation testing, and static analysis.
  • Experience using AI-assisted tools in daily engineering work.

Culture & Benefits

  • Opportunity to shape the future within the world’s leading blockchain ecosystem.
  • Collaboration with world-class talent in a flat, user-centric global organization.
  • Autonomous work environment with fast-paced, innovative projects.
  • Competitive salary and comprehensive company benefits.
  • Work-from-home arrangement.

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