Aayush Agrawal

Experience

• 

  Konfinity

  Apr 2019 - Jul 2020

  Intern

  Designed and developed a responsive web app, where patients can book appointments from multiple hospitals using REACT and created many reusable components for Konfinity. Build the RESTful API for many features including filtering of doctors on multiple parameters using AJAX calls.Designed and developed a web app in REACT and integrated the RESTful API using NodeJS for web-based email client app using AWS SES.Designed and developed a web app using REACT to crawl medium.com by tags using NodeJS to fetch and store the third party API's code. Crawling time for blogs was decreased for next time from 4000-5000 ms to about 2-4 ms by saving them to MongoDB collection.Build a chat application in REACT with the functionality to create password-protected rooms and joining multiple rooms at a time using Express, NodeJS, Socket.io, HTML, etc. Made test scripts for testing front-end and back-end of a blog application using ChaiJS and MochaJS. Developed and integrated RESTful API for a web app for blogging about Konfinity and its services. REST API is created for logging in, sign-up, posting and storing, editing, upvoting, and downvoting of blogs, storing the responses on a blog in MongoDB. Technology : REACT, ExpressJS, NodeJS, Socket.io, MongoDB, SQLite, HTMl/CSS, AWS, ChaiJS, MochaJS, AJAX etc. Show less

• 

  Brevo

  Aug 2020 - now

  - Managed and maintained a portfolio of 100+ public APIs with a focus on availability, reliability, and security.- Collaborated with product managers and stakeholders to define and refine API requirements and specifications.- Optimized the transactional emails API, reducing P99 latency from 5 seconds to 800 ms, enhancing user experience and system responsiveness.- Implemented worker threads in the transactional email API, leading to improved performance and reduced latency.- Successfully migrated the transactional API from Node.js to Golang for enhanced scalability and reduced resource consumption.- Scaled the transactional email API to support a load exceeding 2000 requests per second.- Orchestrated a seamless migration of email/SMS events from MongoDB to ClickHouse for improved data management and analytics. Show less

  • Senior Software Engineer

    Feb 2024 - now

  • Software Engineer

    Aug 2020 - Feb 2024