Erasys Consulting
Web DeveloperFulltime
5 yrs 7 mos
Driving the backend foundation for multiple enterprise-grade applications across clients such as Frisian Flag Indonesia and Gudang Garam — focused on scalable architecture, API performance, and automation reliability.
- Enterprise Sales Platform — Frisian Flag — Engineered and maintained a production-scale backend powering nationwide sales operations and store surveys. OAuth2 SSO, REST APIs for analytics and mobile clients, deployed via Dockerized services on GitLab CI/CD.
- Chatbot Campaign Engine — Architected a rule-based WhatsApp chatbot for large-scale marketing campaigns. Redis-based locking, rate limiting, and service-layer orchestration to support real-time voucher distribution under heavy traffic.
- Routing Service — Built an internal webhook broadcasting system to route WhatsApp events to multiple subscriber apps with low latency and fault-tolerant delivery.
- Gudang Garam Projects — Modernized the corporate web platform: integrated third-party market data APIs, migrated mapping from Google Maps to OpenStreetMap, and delivered a CMS-driven dynamic form system with async email workflows.
- Django
- Laravel
- PHP
- Python
- MySQL
- PostgreSQL
- Docker
- Redis
- GitLab
- New Relic
- Linux
- Firebase
- SSH
- Bash
- MariaDB