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Senior backend engineer at the crypto × payments intersection — based in George Town, Cayman Islands.
What I Think About the Top 50 Fintech Companies of All Time Vision over financials — 50 companies, what each got right and wrong, and the founders behind them. →Crypto / liquid restaking reconciled with Visa card settlement — real-time authorization, capture & reconciliation, Borrow Mode, and an event-driven cashback pipeline on Kafka. Go · Solidity · EigenLayer · Kafka.
EngineeringCross-border payments: Visa Direct A2A, 100+ SWIFT message types, Treasury-as-a-Service across 15 currencies. Led an 8-engineer team on a real-time platform at 2,000+ TPS, 99.98% uptime. Java · Spring · Hazelcast · K8s.
EngineeringRust / CosmWasm smart contracts powering liquidity pools past $500M+ in total value locked across multiple chains; validator analytics over 1M+ nodes. Rust · CosmWasm · TypeScript.
EngineeringA sustainable-cleaning consumer brand, built solo end to end (manufacturing, compliance, listings). ₹2L revenue in month one; now run by family. wipezilla.in.
BuildingA free, open-source wiki for the world of business. bizpedia.org.
BuildingReal-time identity & account-verification API for EU cross-border payments — distributed caching at 1,000+ req/sec, full observability. Spring · Redis · Hazelcast.
BuildingA private-equity trading simulator with a hand-built order book, featured by Y Combinator Startup School.
BuildingAn English quote, explained in Hindi. 22K+ followers and millions of views across Instagram & YouTube. Instagram · YouTube.
CreatingCodeforces Expert; ~8,000 problems solved across Codeforces, CodeChef, LeetCode, UVa and more. codeforces/pjdurden.
CompetitiveFIDE-registered player, 1600+ rating.
Competitive