A . Data Engineer & Back-End Developer specialized on data warehouse and OLAP, major with Python, SQL, Javascript and Node.js: 1. Web Back-End Development : python flask, javascript node.js 2. Data pipeline, ETL (Kettle, Informatica, Nifi) 3. Work flow management (Airflow, Azkaban, Ozzie) 4. MQ service and streaming(Kafka) 5. Container (docker) , and Control version (Git / Gitlab) 6. Data mining and Data Analysis 7. DataOps, MLOps B. Tech Stack - Python, SQL : Flask, FastAPI, T-SQL(store procedure) - Javascript , Node.js - BI : Tableau, Metabase - Hadoop (Cloudera) : Sqoop, Spark, Presto, Impala - ETL/ELT, Data Pipeline : Nifi, Kettle, Informatica - Data Flow & WFM : Airflow, Azkaban, Ozzie - MQ : MQTT, Kafka - MS BI Solution : SSAS, SSRS, SSMS - Container : Docker - Version Control : Git C. Semiconductor process and Defect Analysis Engineer: - DRAM Production Control and In-line WIP regulation. - KLA Equipment Application and Operation. - KLA tool Recipe Matching and Defects Detection Gap improvement - In-line excursion issue analysis and solutions for defect emphasis on DRAM