Payments Infrastructure & POS Integrations
- Led the backend integration of Tevalis POS with Zeller’s distributed ecosystem, engineering fault-tolerant synchronization across multiple POS architectures.
- Architected and deployed highly available microservices using Go, Node.js, and AWS, improving data consistency across the payments network.
- Optimized caching layers and parallelized workflows, slashing CI/CD build + test times from 40 minutes to 8 minutes.
- Expanded automated integration testing coverage for critical services, eliminating high-severity post-deployment regressions.