Architecting resilient e-commerce cores, multi-tenant backend engines, and production cloud systems.
- Concurrency & Race Condition Hardening: Expert in atomic database locks (
START TRANSACTION,FOR UPDATE), queuing mechanisms, and webhooks to eliminate multi-checkout collisions. - Legacy Engine Modernization: Refactoring end-of-life platforms into modular API-driven microservices.
- Integrations & ERP Pipelines: Secure, asynchronous sync channels connecting e-commerce frontends to back-office ERP systems (Odoo, custom SAP/logistics gateways).
| Repository | Tech Stack | Highlights |
|---|---|---|
| enterprise-ecommerce-core | PHP 8, MySQL, Docker | Modern modular e-commerce API featuring pessimistic/optimistic database locking & transactional checkout pipelines. |
| async-erp-sync-engine | Node.js, Express, Redis, BullMQ | High-concurrency event-driven queue processing third-party ERP webhooks with exponential backoff & DLQs. |
| multitenant-saas-dashboard | React, Node.js, PostgreSQL | Multi-tenant SaaS architecture featuring PostgreSQL Row-Level Security (RLS) & role-based access control (RBAC). |