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About

A glimpse into the journey and the craft.

Julian Kumarakulasingam
Julian K. — 2025

Quantitative developer with 7+ years building high-performance trading systems for tier-1 investment banks — front-office tools, risk analytics and automated strategies.

A proven track record of systems that directly impact PnL, reduce operational risk and improve execution quality — across equity derivatives, commodities and fixed-income ETF market making.

Today I bring that rigor on-chain: writing Rust and Solidity, building DeFi trading systems and shipping open-source tooling. I optimize for correctness under pressure — if it touches capital, it has to be exact.

LanguagesFrench (native) · English (fluent, TOEIC) · Tamil (native) · Japanese & Spanish (beginner)
CertificationsAMF · Bloomberg · Machine Learning