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Java Backend QA Engineer (White-box Focus)

4 hours, 13 minutes ago
Asia, Taiwan, Hong Kong
Full-time
Junior
Backend Engineer
Software Development
Blockchain CI/CD Java Kafka Microservices MySQL Redis REST API Spring Boot
Apply Now
Binance

Binance

Binance operates as a leading blockchain ecosystem and digital asset exchange, integrating digital technology with financial services to facilitate the trading and management of cryptocurrencies.

Capital Markets
5K-10K
Founded 2017
$10M raised
View All Jobs 310

Description

  • Design and execute white-box and grey-box test strategies for Java-based backend services, including unit, integration, and API testing.
  • Read and analyze Java source code to identify edge cases, logic flaws, and potential risk points.
  • Build and maintain automated test frameworks and test tooling for financial backend systems.
  • Collaborate with developers on code reviews, test coverage analysis, and CI/CD pipeline quality gates.
  • Test and validate blockchain transactions, Web3 wallet operations, and on-chain/off-chain data consistency.
  • Investigate production issues and trace root causes through logs, database records, and service call chains.
  • Use AI tools such as LLM-assisted test generation, log analysis, and code review to improve testing efficiency.

Requirements

  • 1+ years of experience in software testing or backend development.
  • Solid understanding of Java, with the ability to read, write, and debug Java code confidently.
  • Hands-on experience testing backend systems, including REST APIs, message queues such as Kafka, and databases such as MySQL and Redis.
  • Familiarity with microservice architectures and distributed systems concepts.
  • Strong analytical mindset with attention to detail and a passion for breaking things in a constructive way.
  • Experience in fintech, crypto, or blockchain domain testing is preferred.
  • Knowledge of Web3 wallets, on-chain data, or DeFi protocols is preferred.
  • Familiarity with Spring Boot, Dubbo, or similar Java frameworks is preferred.
  • Experience using AI-assisted tools in daily engineering work is preferred.
  • Exposure to white-box testing techniques such as code coverage, mutation testing, and static analysis is preferred.

Benefits

  • Competitive salary and company benefits.
  • Work-from-home arrangement, depending on the business team's work nature.
  • Opportunity to work with world-class talent in a global organization with a flat structure.
  • Autonomy to tackle fast-paced projects in an innovative environment.
  • Opportunities for career growth and continuous learning.

Interested in this position?

Apply directly on the company website

Apply Now

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