Projects
Selected work
A snapshot of database migrations, HA implementations, and data engineering work delivered for enterprise clients.
Jakarta Smart City
Implementing and Maintaining Oracle Database Solutions
Designed and operated an Oracle RAC 2-node cluster and staging database for Jakarta's Master Data Management initiative.
JNE — Data Center Relocation
End-to-end database migration across data centers with mixed endian formats
Migrated production Oracle databases from an old data center to a new one using Data Guard for same-endian servers and Data Pump for cross-endian migrations.
Asuransi Kredit Indonesia (Askrindo)
Corrective Actions & Preventive Planning for Database Stability
Year-long engagement establishing corrective and preventive routines that turned a reactive database operation into a predictable one.
Bank Sahabat Sampoerna
Upgrading Oracle from 11g to 19c without breaking the bank
End-to-end Oracle 11g → 19c upgrade for a production banking environment, with schema validation, tuning, and rollback safety.
BPKD DKI Jakarta
Continuous Database Support and Maintenance
Day-in, day-out database operations for the Jakarta provincial financial agency — monitoring, patching, standby health, and reporting.
BRI — Anti Money Laundry
Hive + Spark ETL pipelines for AML data integration
Built automated ETL pipelines that move raw data through Hive staging into AML-ready target tables, with monitoring and documentation.