Mar 2022 – Aug 2023 · 1 yr 5 mos · Hyderabad, Telangana, India · On-site

• As a senior SWE-II, working on complex ambiguous projects along with being main point of contact for any query to OneNote Online team.
• Highlights:
• Increase user session time by 10x: Implemented and shipped short-term token-refresh solution to increase session lifetime to 10 hour along with an auto-refresh feature benefitting ~1M users. Coordinated with SharePoint team and proposed a long-term solution.
• Unblocked Mobile viewer GA rollout: Solved perf issues and decreased OneNote notebook load time in Teams by ~40%. Proposed approaches for rollout and it was a success benefitting ~100k users.
• Apart from mentoring, responsible for running team scrum and resource allocations to deliver projects on time.

Jul 2019 – Mar 2022 · 2 yrs 8 mos · Hyderabad Area, India · On-site

• Handled multiple complex projects having direct production impact along with improving the existing workflows as a Senior developer in the Market Data Infra team.
• Highlights:
• Bulk data validation: Wrote a python-based framework to help compare market data across two different sources across large date ranges up to 20 years. As proof of concept, tool was used to validate ~8.5 years of replayed data and all validations were completed within 2 days.
• Decouple Futures Ticker Processing: Decoupled market data subscriber component, which processes critical Futures trading ticker data for forecasting, from the main start/stop workflow to give more flexibility to end users.
• China trading software: Responsible for coding the core parser component before launch in 2019 (handles ~2k updates per second).
• POC for ~50% of direct feed parsers and responsible for handling all their Exchange Driven Changes.

Jul 2017 – Jun 2019 · 1 yr 11 mos · Hyderabad Area, India · On-site

• March 2018 – June 2019
• Switched to the back-end team responsible for gathering market data from multiple exchanges, parsing it and making it available to trading systems in near real-time.
• Highlights:
• Parser code decoupling: De-coupled and abstracted out new components (e.g. Order-Trade Linker) from legacy parser code of 30k+ LOC to make the parser code light-weight.
• Integrate Secondary market data for Australia region: Enhanced system to merge both primary and secondary market volume onto a new ticker which can be then added to watchlist by end users.
• Auto-restart enhancements for market data publisher app: Implemented an efficient sliding window algorithm which restarts affected application automatically.
• Misc. interesting enhancements:
• o Suggested serialization optimizations to reduce message size to just 37% of original size.
• o Wrote a script to schedule multiple jobs across a cluster of hosts.
• July 2017 – Feb 2018
• Worked in UI team responsible for maintaining the Java Swing based front-end application used by traders to place orders and monitor the trading activity. Mainly, migration of UI panel components from legacy single process model to client-server model.

Jun 2016 – Jul 2016 · 1 mo · Hyderabad Area, India

• Implemented Time-Based Sampling for Time Series Database.