Apr 2018 – Jun 2025 · 7 yrs 2 mos · San Francisco Bay Area · On-site

• Engineered and implemented advanced search systems instrumental to the company’s growth, significantly elevating user experience and engagement. These enhancements were critical to the company’s successful transition to a publicly traded entity, driving strategic expansion and strengthening market position.
• Led the integration of machine learning and AI in the strategic redesign and optimization of the homepage, implementing personalized recommendations and advanced search functionalities, which resulted in substantial increases in user engagement.
• Spearheaded the Game Search Backend Systems, Game Search Signals, and Game Search Ranking teams, overseeing key elements of the Roblox search infrastructure. Architected and led the development of a cutting-edge NextGen search and discovery backend platform capable of processing billions of daily queries, effectively replacing Roblox’s legacy infrastructure.
• Led the integration of Large Language Models (LLMs) into Roblox Search, focusing on Retrieval-Augmented Generation (RAG) and search optimization. Applied prompt engineering techniques with few-shot and zero-shot learning to enhance retrieval accuracy.
• Managed a wide array of cross-functional and complex projects, leading to a measurable cumulative increase in search engagement metrics and ultimately improving user interaction and overall platform performance.
• Leveraged Machine Learning to build Semantic Search and online Search Ranking for Roblox Search improving recall and precision metrics.
• Served as product area representative for a company-wide initiative transitioning Roblox to a multi-datacenter active-active architecture, resulting in enhanced system reliability and resilience.

Sep 2014 – Apr 2018 · 3 yrs 7 mos · San Francisco Bay Area

• Architected and spearheaded the development of Walmart’s modern Order Sourcing system, optimizing fulfillment capacity utilization, service level agreements (SLA), and overall operational cost.
• Successfully led the integration of Walmart's Order Sourcing system with Jet.com’s orders post-acquisition, ensuring a seamless transition and efficient order management.
• Played a pivotal role as the organizational leader for the launch of Walmart's 2-day delivery, overseeing the successful implementation of this crucial service enhancement.
• Led the development and launch of Walmart's open-source API for fulfillment, a vital component utilized by Google Home Shopping, enhancing the online shopping experience for a broader audience.

Mar 2011 – Sep 2014 · 3 yrs 6 mos · San Francisco Bay Area

• Oversaw the integration of Cashedge and Fiserv P2P payments systems post-acquisition.

Jul 2009 – Mar 2011 · 1 yr 8 mos · San Francisco Bay Area

• Directed the conception, development, and seamless launch of Popmoney, a robust peer-to-peer (P2P) payments platform and core engine for the widely adopted "Zelle" payments service. This initiative played a pivotal role in facilitating the acquisition of the company.

Apr 2005 – Jul 2009 · 4 yrs 3 mos · San Francisco Bay Area

• Joined the startup and led a dedicated team in the design, and development of TransferNow, Cashedge’s account-to-account money transfer product.

Feb 2005 – Apr 2005 · 2 mos · Chennai Area, India

• Developed an Employee Document Management System, an online application that facilitates seamless document upload, organization, and management for employees.

Dec 2003 – Feb 2005 · 1 yr 2 mos · Chennai Area, India

• Contributed to the development of the Verizon Billing System, utilizing technical expertise to enhance and optimize the platform's functionality and performance.