- Provided on-site support at the Thai SEC and Krungthai Bank.
- Gathered and analyzed customer requirements to define system solutions.
- Designed system architecture, database schemas, stored procedures, API specifications, data migration processes, sequence diagrams, and ER diagrams.
- Supported and resolved defects and issues across the DEV, SIT, UAT, Production, and Penetration Testing (Pentest) environments.
- Developed systems in compliance with Krungthai Bank’s IT security standards.
- Prepared and maintained technical documentation.
- Created project plans and coordinated project kick-off and sign-off activities for the Thai SEC.
- Designed new system requirements based on business needs.
- Created flow diagrams and ER diagrams using Draw.io.
- Designed sequence diagrams using the PlantUML extension in Visual Studio Code (VS Code).
- Prepared functional and technical specifications for both front-end and back-end systems.
- Used Jira and Confluence to create and manage user stories and project documentation.
- Developed and maintained applications based on a microservices architecture.
- Analyzed business and system requirements.
- Designed database schemas for new systems.
- Prepared software design documentation, ER diagrams, and API specifications.
- Designed and developed interfaces between SAP and other enterprise applications.
- Designed and implemented front-end and back-end solutions.
- Collaborated with developers throughout the software development lifecycle (SDLC).
- Implemented, configured, and tested system solutions.
- Conducted System Integration Testing (SIT) and User Acceptance Testing (UAT) before production deployment.
- Planned and prioritized tasks to meet project deadlines.
- Provided user support, troubleshooting, system enhancements, and change management.