Debjyoti Sarkar

About Me

I’m a Java technologist with 15+ years of experience in building low-latency, zero-GC systems for algorithmic trading, risk management, and OMS platforms. My journey blends technical depth with market-facing solutions across HSBC, UBS, Morgan Stanley, and global fintechs. Education: IIT Kharagpur, Integrated M.Sc in Mathematics and Computing.

Career Highlights

☕ Engineered Hawk OMS: Java-based, zero-GC, high-performance OMS for HSBC

📈 Architected Synthetic Fill Engine across China Connect & QFII markets

🧠 Co-developed Talon: Algo engine handling VWAP, TWAP, POV strategies

🚀 Built FIX gateways and trading APIs at Diginex with Aeron and Artio

⚡ Created SIMS quoting platform for UBS using Java in ultra-low latency setup

Professional Experience

HSBC (2021 – Present)

Maintained Talon: Scala/Java-based algo engine for VWAP, TWAP, POV execution
Engineered Hawk OMS with zero-GC and sequencer logic
Launched Synthetic Fill Engine for internal matching across APAC
Developed auction self-match validation module for China
Early member of Execution Services OMS initiative

Diginex (2020 – 2021)

Built FIX gateway using Java, Artio FIX4.4, SBE
Developed matching engine and REST/WebSocket API

Morgan Stanley (2018 – 2020)

Pharos: Swap lifecycle system built in Java/C#
Poseidon: Real-time synthetic risk and booking platform

UBS (2015 – 2018)

Built SIMS: Low latency quoting platform for Futures & ETF desks
Developed Greybox for Warrants/Options quoting
Collaborated directly with traders on algo strategies (TWAP, hedgebook)
Led FIX connectivity projects for HKEX, Korea, Shenzhen

Earlier Roles (2009 – 2015)

Prive, Monex Boom, InfoCast: Risk calculation engines, packaged apps, Chrome UI
JoinTech, Recruit.net, Applied Research: Core Java development
Built KUEHS.com as a self-motivated voluntary web project