Developed and maintained high-performance backend systems written in Java using Spring, GoogleGuice frameworks ensuring continuous availability of APIs to provide identity information, lifecycle management of employees across Amazon warehouses and corporate offices to 300+ internal tools and services, supporting business critical use cases across labor tracking and labor planning, and serving a peak throughput of 35,000 TPS.

Contributed to the design, development and improvements of a monolith content management web application written in Ruby on Rails, EmberJS, used by operations team to create, manage and search content. The tool includes the whole ecosystem around content including contracts, timeline, translations, subtitles, clips, plans, coupons, reviews moderations etc. The application was backed by Postgres and handles Terabytes of data.

Overseas the strategic design and development of multiple platform micro-services written in Ruby on Rails, GoLang required to run the e-commerce operations in different country markets for both in-house Telco and third party non telco products. These micro-services were backed by MySql and Redis clusters, which reduced the time to market in new regions by 75%.

Contributed to the development of monolith platform written in Rails 4 which powers app-based learning for Kids, this platform allows admins to define and manage the learning content, subscription plans and allow customers to manage subscriptions, control access on the app.

Developed from scratch a SAAS platform written in Rails 4 for educational institutes to streamline their end-to-end operations, digitize their course content, question banks and organizing online tests. This bundle also includes a web and app platform for students to view e-content, take online tests, overall progress reports highlighting strengths and areas to improve.Developed from scratch a guided learning platform where anyone can create a course, define the goal, and define a guided learning path to achieve the goal with each step encapsulating content as text, ebook, video, quizzes.Led a team of 4 to implement growth features on products, and help onboard 10 new clients.Setup mechanisms to encrypt the video content at rest, and decrypt on the fly using JWPlayer.