✓ Flexible with core Java
✓ Capable to think and write code according to OOP
✓ Compatible with Spring 5 and Spring-boot 3
✓ Worked with Java mail and Spring-boot mailing tech
✓ Familiar with OpenAI integration
✓ Experienced in web crawling
✓ Experienced in parsing MS office files using Apache poi
✓ Familiar with MSSQL, PostgreSQL, MySQL, Oracle DB
✓ Familiar with NoSQL like MongoDB, RethinkDB
✓ Established API gateway tech like Apache APISIX
✓ Implemented central authentication using Keycloak IAM
✓ Integrated Keycloak with Apache APISIX gateway
✓ Familiar with linux distribution ubuntu