Job Description:
Backend Test Engineer (FinTech / Cryptocurrency Exchange Focus)
- Responsible for functional testing, API testing, performance testing, and security testing of backend systems for FinTech platforms or cryptocurrency exchanges.
- Participate in requirement reviews and system design discussions to understand business logic and technical architecture, then develop test plans and strategies.
- Create high-quality test cases and build automated test scripts to achieve automation for API and regression testing.
- Conduct testing for core systems such as APIs and strategy modules.
- Analyze system logs, trace data, and database records to identify and resolve defects.
- Collaborate with development, product, operations, and security teams to ensure system availability and transaction data accuracy.
- Engage in performance stress testing and security assessments to optimize system bottlenecks and ensure stability under high-concurrency trading scenarios.
- Generate test reports and quality analyses to continuously improve testing processes and standards.
Job Requirements:
- Bachelor's degree or higher in Computer Science, Software Engineering, or related fields.
- 3+ years of backend testing experience, preferably in FinTech, blockchain, or cryptocurrency exchange projects.
- Familiar with common testing methodologies and principles of RESTful APIs, microservices architecture, message queues, etc.
- Proficient in testing tools such as Postman, JMeter, Swagger, Charles, and Fiddler.
- Experience with middleware like MySQL, Redis, Kafka, and strong SQL query/optimization skills.
- Excellent communication, teamwork, and sense of responsibility; adaptable to fast-paced environments.
Preferred Qualifications:
- Experience testing cryptocurrency exchanges, payment/settlement systems, matching engines, or blockchain interaction projects.
- Knowledge of blockchain nodes, Web3 APIs, cryptographic algorithms (e.g., ECDSA, SHA256).
- DevOps experience with CI/CD pipelines and automated test environment deployment.
Benefits:
Competitive salary, collaborative team culture, and fully remote work opportunities.


