Hi, I’m
Jemhar Marie Milo Mendones
System Developer
Osaka,Japan
Summary
System Developer with 6 years of professional experience in Japan, specializing in Java-based back-end maintenance, front-end support, SQL-driven systems, and documentation. Experienced in manual testing, production support, and working within Japanese corporate environments.
Overview
9
years of professional experience
2
Languages
Work History
Green System Corp.
System Developer
01.2019 - Current
Job overview
- Developed, maintained, and supported frontend and backend systems using Java
- Maintained and updated enterprise databases, executed controlled data updates, and validated results
- Wrote and updated system documentation, specifications, and user manuals
- Experienced on doing integration testing as well as manual and regression testing
- Has experienced on executing test automation using JUnit
- Experience being part of Agile & Waterfall environments
- Communicated with team members in a Japanese work environment
Green AdvancedTech Corp.
Junior System Developer
01.2017 - 01.2019
Job overview
- Completed technical training in Java and VB.NET
- Completed structured preparation for professional assignment in Japan
- Developed skills aligned with Japanese system development and corporate standards
Education
Adamson UniversityManila
BS from Computer Engineering
01.2017
Skills
Databases: SQL – IBM DB2 and Oracle Database (working-level knowledge: queries, data analysis, basic maintenance)
Programming: Java (basic development, debugging, system maintenance)
Frameworks: Java EE (Servlets, JSP), Spring (basic knowledge), WFS (company-specific Java web framework
Testing: Manual testing, regression testing, batch testing, test case execution
Documentation: System specifications, User manuals, Operational documents
Support: Production issue investigation, data troubleshooting
Timeline
System Developer
Green System Corp.
01.2019 - Current
Junior System Developer
Green AdvancedTech Corp.
01.2017 - 01.2019
Adamson University
BS from Computer Engineering