Apr 2020 – Jan 2025 · 4 yrs 9 mos · Mumbai, Maharashtra, India · On-site

• Engineered a real-time leaderboard system handling 80M entries in 7 seconds, ensuring seamless 60M+ RPM throughput for live gaming events
• Employed advanced salting to enhance Spark efficiency, reducing expenses by 60% and speeding up leaderboard generation by 5x
• Rearchitected Dream11's core service, Team Service, for 1M+ TPS with a 12:1 R/W ratio, ensuring robust availability and strong consistency
• Designed disaster recovery strategies, enhancing resilience in core services with an active-passive architecture, ensuring 99.9% uptime
• Spearheaded the adoption of Amazon DynamoDB, slashing cold storage expenses by 5x
• Orchestrated architectural overhaul with domain-driven design, breaking down a monolithic gameplay system into 4 microservices to boost scalability
• Pioneered end-to-end implementation of features like commentary and match stats in Dream11, elevating user engagement by 30%
• Orchestrated the creation of a Spark Library, enabling 100+ developers at Dream11 to integrate boilerplate Spark functionalities, enhancing productivity
• Led the migration of archival data to an in-house Cassandra cluster, saving $1.5M in annual licensing costs
• Facilitated knowledge exchange through 4 brownbag sessions for 50+ staff, promoting cross-functional learning at Dream11
• Contributed to redesign of Spark CI/CD workflow, automating jar deployments and slashing error rates by 100%
• Mentored 20+ junior team members, leading to an improvement in their technical skills and productivity

Dec 2017 – Mar 2020 · 2 yrs 3 mos · Mumbai Area, India

• Leading 3 member team for handling active feature development related to website checkout flow on Pepperfry.com
• Previously led 3 member Listing Team for handling product catalog operations on Pepperfry.com
• Wallet Ledger: Designed and implemented service in Spring Boot for building a ledger to display all wallet transactions for a user using Redis, DynamoDB and MySQL
• Data Warehouse: Designed and implemented data warehousing module for logging ~1m events everyday related to user purchase journey in Amazon Redshift for analytics.
• Asynchronous Cache Refresh: Built module using MySQL binlogger and RabbitMQ for publishing domain events generated by any changes in primary database to refresh different databases/caches across system.Reduced system wide load on MySQL read operations by 30%
• Data Pipeline: Developed an ETL process using Amazon Data Pipeline for pushing all website purchase data from an OLTP store (MySQL) to an OLAP database (Amazon Redshift). Shifted from a server dependent architecture to a serverless solution capable of auto scaling
• Product Search: Built a POC for powering search by relevance feature on Pepperfry.com using Elasticsearch & Elasticsearch LTR (Learning to Rank) plugin, a plugin utilizing pre-learned ranking models to introduce relevance score to Elasticsearch results
• Worked as a PM for a period of 9 months from Oct ‘18 to July ‘19 in the end consumer website team
• Introduced Metabase, an open source analytics tool, for providing visualizations to analytics queries run on OLAP store (Amazon Redshift) and ensured organization wide adoption of same

Jul 2017 – Dec 2017 · 5 mos · Mumbai, Maharashtra, India

• Part of the Publish Team in charge of publishing all user posts to social media sites
• Built a service in NodeJS for compressing images uploaded by users using tool called ImageMagick and posting the same to different social media websites.Reduced size of images stored on system by 30% without loss of quality

Nov 2015 – Jul 2017 · 1 yr 8 mos · Mumbai Area, India

• Implemented product wide service discovery to facilitate load shedding and zero down time in a microservices architecture
• Revamped Geocoding Engine to improve the capability of geocoding addresses within the range of 500m by 50%
• Built solution for the Hub Placement problem to predict the location of warehouses for optimal resource performance in last mile operations
• Sharded data in MongoDB to improve the fetching and aggregation of location data
• A generic Reporting Framework to edit,create and schedule customised reports from the list of available reports present in system

Jun 2015 – Nov 2015 · 5 mos · Mumbai Metropolitan Region

• Lead Developer on the Online Ordering project that enabled end users to choose, order and pay online for food items

Jan 2015 – Jun 2015 · 5 mos · Gurgaon, India

• Assigned to build internal tools for Automata,the programming assessment module for AMCAT,the flagship product and assessment test of Aspiring Minds
• Built Domjudge,a language agnostic competitive programming evaluation tool.Central tool for evaluating competitive code submitted in C/Java/C++/Python.Helped eliminate the need for having separate evaluation and compilation mechanisms for code submitted in different languages.