Staff Software Engineer at Visa’s Pismo unit. Building modern, distributed payment infrastructure. Half a decade shipping fintech products from scratch - core banking engines, interest calculation, tax processing, and most recently, scaling authorization infrastructure. Cloud-native, event-driven, sub-second or it does not ship.
Areas of Expertise
Distributed systems design with a focus on correctness and failure modes. Payment authorization infrastructure and PCI-DSS compliant system design. Go, DynamoDB, Kubernetes, and event-driven architectures at sub-second latency requirements.
External Profiles
- GitHub: github.com/ashwingopalsamy
- LinkedIn: linkedin.com/in/ashwingopalsamy
- X: x.com/ashwin2125
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Last updated: April 8, 2026