• Developed and maintained the core product of the company using Spring Boot, Spring Batch, and JPA to convert database data according to business logic and upload the data to AWS S3 for storage.• Implemented multi-threading techniques to handle high traffic and improve application performance.• Utilized a job server (Beanstalk) to facilitate communication between micro-services and improve system scalability.• Worked closely with supervisor to review project requirements, prioritize tasks, and track progress towards project milestones with project members.

• Worked on the proof of concept of web management system of personal internet bank, and used Spring boot, Spring Security, Vue.js and Oracle database to build up the system• Developed billing API of the personal internet bank

• Developed RPA tools for internal users based on different workflows using Python• Performed requirements analysis, development and test management of each RPA tool• Automated the process of querying civil servant transaction records, and completed over 4,000 of record queries automatically

Acted as a developer in a project which could calculate 13 teams members’ performance automatically