Anjani Kumar
@anjanikumar1
I build low-latency trading systems and financial infrastructure at scale.
IndiaWhat I'm looking for
I've built and scaled core exchange, lending, and fiat infrastructure at Vauld, supporting a platform that reached $950M AUM, 1.4M+ users, and $70M in daily trading volume.
At Defy Inc., I own core trading infrastructure for a non-custodial perpetuals exchange, including order and position management, risk and liquidation, pricing, and event-sourced state. I reduced peak order-processing latency from sub-20ms to 1–2ms with an Aeron-based messaging layer while improving throughput.
Earlier, I built an UPSC ed-tech platform from scratch and worked on Tizen OS USB subsystems at Samsung Research India. I enjoy solving high-correctness, high-throughput fintech problems and leading architecture across teams.
Experience
Work history, roles, and key accomplishments
Staff Engineer
Defx Inc.
Oct 2022 - Present (3 years 10 months)
Hands-on Staff Engineer owning core trading infrastructure and guiding execution across a small cross-functional team. Built a high-performance non-custodial perpetuals exchange from first principles.
Founding Engineer
Vault
Mar 2019 - Sep 2022 (3 years 6 months)
Early engineering hire; designed and scaled core exchange, lending, and fiat infrastructure as the company grew from 3 to 150+ employees. Platform scaled to $950M AUM, 1.4M+ users, and $70M daily trading volume.
Founder
Shunuyay
Jan 2018 - Jan 2019 (1 year)
Built an early-stage UPSC ed-tech platform from scratch (Node.js backend, payments, test engine, scoring, analytics); scaled to 350+ paying users and 3K+ Telegram subscribers before pivoting.
Senior Software Engineer
Samsung Research India
Jun 2014 - Sep 2017 (3 years 3 months)
System-level work on Tizen OS - USB subsystem ownership and board bring-up across three chipsets; shipped on four commercial devices (Samsung Z1-Z4).
Education
Degrees, certifications, and relevant coursework
Indian Institute of Technology, Kharagpur
Bachelor of Technology, Computer Science
2010 - 2014
Pursued a Bachelor of Technology in Computer Science, gaining a strong foundation in algorithms, data structures, and software engineering.
Tech stack
Software and tools used professionally
Availability
Location
IndiaAuthorized to work in
Job categories
Skills
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