Part of Yahoo Video backend team focussing on metadata, search, personalization and analytics.
Working on improving Yahoo Video search relevance and implementing robust and scalable apis.

•  Member of Data Engine team which serves multiple Informatica products
•  Enhanced and optimized the framework that translates Informatica data flow plans into Hive workflows. Added parallel sorting optimization.
•  Improved existing technical documentation to help new members gain a better understanding of the framework.
•  Interacted with QA and documentation team to clearly communicate the features and behaviors of the system

• Worked on a proof-of-concept for running code on an isolated (logically-off) core in a multi-core system running Linux using C and assembly
• Modified and fixed test-cases for validating chip design during pre-silicon validation

•  Added new features to  a J2EE based application that provided web-service interface to a mainframe business application.
•  Developed utilities in Java to automate manual tasks in deployment and testing
•  Designed and developed in-house web application based on    Struts for Resource Management 
•  Trained new team-members on product and technology
•  Awarded “Certificate of Achievement” for developing utilities 
•  Awarded “Certificate of Achievement” for playing critical role in deploying the enterprise application in  production environment

<ul><li>Led the technical design and development of a custom pricing model which enabled AWS enterprise customers to view enterprise discounts in their bills for the first time</li><li>Led the effort to replace a legacy pricing service with a new service that allowed sellers to create custom pricing models faster. This involved designing and developing the new service, migrating data and clients from old service to new and ensuring data and API parity</li><li>Helped in launching AWS Price List API (<a target="_blank" rel="noopener noreferrer nofollow" class="text-green-text rich-link break-all link-break" href="https://aws.amazon.com/blogs/aws/new-aws-price-list-api/">https://aws.amazon.com/blogs/aws/new-aws-price-list-api/</a>) which provided a reliable way for AWS consumers to get prices of AWS services and consume them programmatically.</li></ul>

Java

System Design

Programming

Python

TypeScript

cloud

lambda

AWS API Gateway

AWS CDK

Sr Software Engineer at Amazon

Vaibhav Jain | Peerlist Profile

Implemented a search-engine using Lucene API for Java. Search results were ranked using PageRank and Auth/Hub and clustered through K-means. Also provided relevance feedback using Rocchio relevance feedback mechanism.


Search Engine

Implemented Column-oriented database by modifying Java Minibase– a row-oriented database for educational purposes. Implemented indexing for the column-oriented database by modifying existing indices and adding a new one.


Column-oriented database

Implemented API for creating user-level threads and provided synchronization primitives with non-preemptive scheduling.