We are seeking a Junior Payement System Tester to join our team. The successful candidate will be responsible for designing, writing and executing test cases to ensure the correctness and stability of our payment system under various conditions. Additionally, the candidate will be expected to develop and maintain testing scripts and tools for integration, system and performance testing. Analyzing and reporting payment transaction data to ensure accuracy and traceability is also a key responsibility. The candidate will work closely with the development and product teams to identify and resolve issues and defects in the system. The candidate will also be responsible for conducting security testing to ensure the protection and secure transmission of payment information. Requirements: A bachelor's degree in Computer Science, Engineering, Mathematics or a related field. At least 3 years of testing experience, with experience in testing payment systems, including familiarity with payment flow and relevant modules. Familiarity with testing tools and frameworks such as Selenium, JMeter. Proficiency in SQL and database testing, with the ability to write and execute SQL queries to verify data integrity. Excellent analytical and problem-solving skills, with the ability to quickly locate and fix issues. Good communication skills and teamwork spirit, with the ability to effectively communicate and collaborate with multiple stakeholders. Bonus points: Familiarity with cloud payment solutions such as Alipay, WeChat Pay. Experience in testing financial fields, understanding the special nature and security requirements of financial transactions. Automation testing experience.