Software & Data Platform Engineer
Zeplug & ChargeGuru·Paris
- ›Developed full-stack features for a multi-tenant installer portal (React/TypeScript SPA and Express proxy over Salesforce).
- ›Engineered Salesforce Apex batch jobs, REST endpoints, validation rules and permission sets backing the portal's data layer.
- ›Automated purchase- and delivery-order cost control with consolidated Apex batches, Account roll-up fields and margin logic.
- ›Led the migration of a 182 GB production PostgreSQL database from Heroku to Amazon RDS Aurora across AWS regions.
- ›Designed a snapshot-based cutover with pgcopydb after ruling out CDC and logical replication blocked by Heroku.
- ›Built a migration risk-assessment framework with dependency mapping, timed rehearsals and data-integrity verification.