Writing - Ashwin Gopalsamy

Writing

ashwin@ashwingopalsamy.in (Ashwin Gopalsamy) — Tue, 07 Apr 2026 00:00:00 +0000

Now

ashwin@ashwingopalsamy.in (Ashwin Gopalsamy) — Sun, 05 Apr 2026 00:00:00 +0000

Work

Building authorization infrastructure at Pismo (Visa). Currently focused on multi-region deployment patterns and cross-network routing optimization.

Learning

Deep-diving into consistent hashing implementations and their failure modes under partition. Reading “Designing Data-Intensive Applications - Second Edition” (Pre-Release)things hit different now with more production experience.

Side Projects

Building this website. Experimenting with Hugo’s template system and seeing how far you can push a static site with zero JavaScript frameworks.

Projects

ashwin@ashwingopalsamy.in (Ashwin Gopalsamy) — Fri, 20 Mar 2026 00:00:00 +0000

About

ashwin@ashwingopalsamy.in (Ashwin Gopalsamy) — Mon, 01 Jan 0001 00:00:00 +0000

Staff Software Engineer focused on cloud-native platforms, distributed systems, and software product development.

Currently scaling authorization infrastructure at Pismo, Visa with systems that process billions of daily transactions with sub-second latency across multiple regions.

Previously built core-banking microservices at Solaris SE in Berlin, powering interest-bearing financial products at scale.

Open-source contributor and technical blogger writing about Go, distributed systems, and cloud-native architecture.

AI Context

ashwin@ashwingopalsamy.in (Ashwin Gopalsamy) — Mon, 01 Jan 0001 00:00:00 +0000

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.