Proficiency in Java-based application development (front-end and back-end).
Advanced database skills including query analysis, performance tuning, and stored procedure development (Oracle, MS-SQL).
Experience with MES software (e.g., Miracom MESPlus, LG CNS EzMES, ThiraUtech OpenMES, Wonderware, Siemens SIMATIC IT, Rockwell FactoryTalk).
Understanding of equipment communication protocols (SEMI standard, OPC, PLC).
Experience with software engineering practices such as Git-based version control, code review, automated testing, and CI/CD.
Experience integrating systems through interfaces and messaging (e.g., REST APIs, middleware).
Expert Level