Feb 2022 – May 2024 · 2 yrs 3 mos · Bengaluru, Karnataka, India

• As an engineering leader on the Amazon Advertising team, I lead engineering teams that build the sophisticated Machine Learning and Big Data systems for protecting Amazon's Online Retail Store and Twitch platform against ad fraud. Seeded and grew the ad fraud detection team for Twitch.

Sep 2019 – Jan 2022 · 2 yrs 4 mos

• As an engineering manager for Amazon OpenSearch, I seeded, grew, and managed multiple teams of engineers to scale the design and development effort on the service's Control Plane. I helped set and execute on a three year technical strategy, working closely with senior leadership and principal engineers.

Jan 2018 – Sep 2019 · 1 yr 8 mos

• Amazon OpenSearch Service (earlier called Amazon Elasticsearch) is an AWS service offering full text search and near real time log-analytics, monitoring and other capabilities built on OpenSearch, a distributed search engine. As a senior engineer on the team, I worked extensively in building and enhancing the Control Plane consisting of distributed systems for provisioning, managing and monitoring several thousand data plane clusters/millions of compute nodes. These systems were built with the high availability, scalability and operational considerations of an AWS service.
• I also authored the OpenSearch JDBC driver from the ground up, which is now open-sourced and widely used as a standard Java/Scala library for querying OpenSearch using SQL.

Jan 2011 – Jan 2018 · 7 yrs · Bengaluru Area, India

• Spark and Hadoop as a Service on the IBM Bluemix cloud - contribute to building IBM's cloud based (IBM Bluemix) Spark and Hadoop offerings including contributing to open source Spark as needed. The offerings are built as part of an integrated data platform and thus integrate with other data services like Watson Machine Learning and Data Science Experience(https://datascience.ibm.com/) . Tech Stack: CloudFoundry, Java, Scala, Python, R.
• IBM Db2Connect - Led the development of IBM's cross database JDBC driver. This is the common driver for JDBC connectivity with multiple IBM databases - Db2, Db2 on cloud, Informix, Db2 on z/OS (mainframes) and Big SQL. Revamped and rewrote critical high availability and workload balancing features in the database driver. Multiple patents and publications in this area.

Jul 2007 – Dec 2010 · 3 yrs 5 mos · Bengaluru Area, India

• Novell ZenWorks Configuration Management - design and development on both the server and client pieces of this distributed enterprise device management solution. Built an adaptive Java/OSGi based device management agent from scratch.
• Novell ZenWorks Linux Management - contributed to the package management agent (rug) distributed with SUSE Linux. Tech Stack: C#, .NET (Mono - the .NET runtime for Linux). Obtained patent US 20100005450 on the ability to track and restore RPM package states on a Linux system - a mini System Restore.