Selected technical work and open source contributions.
A Java-based payment orchestration system bringing powerful payment coordination capabilities to the JVM ecosystem. Designed to handle complex payment workflows across multiple providers, enabling flexible routing, retry logic, and comprehensive transaction management.
Integrated Apple Pay, Google Pay, and third-party acquirers (Worldpay, Payvision) with attention to iframe isolation, tokenization, and compliance boundaries. Implemented secure payment flows with strong emphasis on correctness, idempotency, and risk control mechanisms.
Designed and operated a cloud-native payment and virtual card issuing system on AWS, focusing on security isolation, scalability, and operational safety. The platform handles end-to-end payment processing, transaction lifecycle management, and merchant integrations with multiple payment providers.
Platform-level tooling to support containerized deployments, traffic control, and gradual rollouts across large microservice ecosystems. Designed to manage ~1,000 microservices with safe deployment workflows, traffic isolation, and automated scaling capabilities.