Oct 2022 – Sep 2025 · 2 yrs 11 mos

• Building ML infrastructure and tools for training Amazon’s foundational GenAI models

Apr 2018 – Oct 2022 · 4 yrs 6 mos

• Built ML infrastructure and tools for training Alexa ASR models

Apr 2010 – Mar 2018 · 7 yrs 11 mos

• Built a Data Lake on AWS and open source software for Amazon’s inbound supply chain.

Nov 2004 – Apr 2010 · 5 yrs 5 mos

• Led a team of developers in delivering a critical system for the Amazon.com website, which enables third-party merchants and customers to communicate regarding potential and actual transactions on the website.
• Designed, developed, and deployed several highly scalable and available distributed C++ and Java services for the Amazon.com website.
• Performed extensive data modeling and Oracle Database schema design
• Mentored new software developers in order to bring them quickly up to speed on our systems and software practices
• Added to Amazon’s IP portfolio by filing a patent on technology developed for our services

Jun 2000 – Nov 2004 · 4 yrs 5 mos

• Team lead for a team of four engineers developing CAD tools and flows for VLSI design
• Evolved and improved an existing tool system to meet the changing needs of customers and improve robustness of the tools
• Successfully designed and developed a new tool system using C++ and Perl to meet the needs of a new customer base
• Spent three years as primary developer and one year as team lead and developer
• Added to HP’s IP portfolio by filing a patent on technology developed for our CAD tools