Oct 2018 – Feb 2023 · 4 yrs 4 mos · Mumbai Area, India · On-site

• As one of the two core trading system developers in the company, I played an instrumental role in providing valuable technical expertise that contributed to the success of Greenland Investment Management. I take pride in being part of the team that helped the company achieve impressive results and reach a billion-dollar AUM in just five years.
• Led the development of backend systems focused on exchange connectivity for market data and order management, while also mentoring junior team members.
• Developed Order Management Systems and Tick-by-Tick market data for the Chicago Mercantile Exchange, utilizing their Market by Order data feed.
• Developed Order Management Systems and Tick-by-Tick market data for the London Metal Exchange using their Market by Price mechanism.
• Developed Data and Order engines for Fx market liquidity providers using FIX protocol.
• Coordinated with traders to implement automated arbitrage strategies for Currency pairs (USDCNH, EURUSD, USDINR) using FX rates from different data providers and execution algorithms to achieve better trade execution.
• Continuously enhancing low-latency trading framework, optimizing handling of market data, order sending, risk checks, and other core system components.
• Assisted research and traders teams in analyzing trading results to identify areas of improvement in efficiency and trade execution.

Nov 2016 – Sep 2018 · 1 yr 10 mos · On-site

• For a span of 3 years, I played a crucial role in scaling Upstox's backend systems, starting from building and scaling the system for just 100 clients upon joining the company, and then successfully scaling it up to accommodate 100,000 clients. Contributing to the company's growth and success gave me immense pride, knowing that my efforts had a direct impact on Upstox's ability to serve more clients with efficiency and effectiveness.
• Built and led the team for Upstox Pro backend and growth teams.
• Led the backend team in developing the next generation trading platform with an average of 50,000 daily active users and over 100K concurrent connections per second.
• Designed and implemented Upstox Pro's backend systems to support frontend applications including Web, Android and iOS platforms. This involved developing REST API & WebSocket services, client management system, tick-by-tick data from NSE/BSE, order engines, historical charts, and alert management system.
• Resolved scaling and performance issues in the backend systems to ensure fast client request response times.
• Addressed network and bandwidth issues at the data center and oversaw the migration of backend systems to AWS.
• Conducted in-depth optimization of AWS services to achieve low latency, high throughput, and cost-effective solutions.

Nov 2015 – Oct 2016 · 11 mos · On-site

• Developed the market data adapters for NSE/BSE/MCX
• Worked on Trading platform and Trades console application

Jun 2013 – Nov 2015 · 2 yrs 5 mos · Mumbai

• I learned Future/Option trading on Arbitrage systems and successfully implemented the code for Basket strategies.
• As part of the research team, I assisted in converting mathematical trading decisions into C++ code.
• I worked on order engines responsible for placing orders through OMS. Key features such as data handling, consistency, concurrency, and low latency were carefully considered.
• I conducted research on the Solarflare network adapter, which allowed for kernel bypassing, resulting in improved throughput.