Jun 2019 – Jul 2020 · 1 yr 1 mo

• Software Engineer at PayPal Commerce Platform.
• 1. Engaged in building highly scalable SDKs and APIs for PayPal’s next generation payment solution, PayPal Complete Payments (PPCP) to process more than 3 Billion transactions per year for 100K merchants and partners using NodeJs and Java Spring Framework in the back-end.
• 2. Lead the prime effort to minimize PRO merchants' churn by building Custom JS SDKs and APIs.
• 3. Worked on the publically available Unbranded Credit Card APIs (orders API) for the merchants and partners to accept credit card payments across 120 countries in 30 different currencies.
• 4. Migrated the legacy traffic from Direct Credit Card (DCC) API to PayPal's Long Term Architecture (LTA a.k.a M16) which routed 4M+ traffic/year to latest tech stack.

Jul 2017 – Jun 2019 · 1 yr 11 mos

• Software Engineer for PayPal Checkout (Unbranded). One amongst 15 most talented engineers who are responsible for the entire Unbranded Products and APIs.
• 1. The Unbranded PayPal Checkout represent a larger portion(>$120B) of PayPal's annual TPV and generates revenue of about $836M annually.
• 2. Re-stacked legacy Virtual Terminal (built on XPT) to an optimized Node application by improving the latency by 32% with a GraphQL mid-tier which churns out 5 Billion $ in TPV.
• 3. Crafting the UCC API for merchants to accept credit card payments online across more than 200 markets using Java Spring frameworks and Hibernate.
• 4. Built and scaled the Monthly Accounts Billing product and Merchant Invoicing used by 220K merchants across more than 200 markets using Node, Express framework for backend and React-redux framework for front end (accompanied by babel, webpack etc).
• 5. Built few robust client-side dashboard framework and widget API using Node, Express and Angular frameworks.
• 6. Designed and developed a tool to automate the build and deployment of PayPal (Payflow) web applications in several Genesis and Google Cloud Platforms which leveraged the developer productivity over 50%.
• 7. Wrote JUnit tests including unit tests and integration tests for several Java components and used Selenium WebDrivers to run automated tests for PayPal web applications. All tests were PayPal ECI compatible and adopted with 100%.

May 2016 – Jul 2016 · 2 mos · Greater Chennai Area

• Software Development Engineer Intern in Data Analytics and Risk team of PayPal India.
• 1. Built an intelligent AI Slack Bot using Natural Language Processing to answer customer queries using a curated knowledge base. An optimised Decision Tree based algorithm was designed to control the behaviour of the bot.
• 2. Redesigned the entire Key Performance Indicator (KPI) portal that renders the critical values and key targets for various organizations across PayPal using Node, Express and Dust frameworks.
• 3. Automated the updating of sensible live and huge amount of data in Teradata (Simba).
• 4. Designed a single gateway dashboard for all Risk Products(Consume, Seller and Regional Risk)
• 5. Received a return offer from PayPal for an outstanding performance during the internship.