• Worked on integrating Baltazar which is stores the error and automatically retries after specified interval for all the eKart transactions which has around 40+ mil transactions a day • Worked on revamping GST Filling System which is used to file GSTR-1a reports for Flipkart entities which amounts to around INR 16,000 Crore yearly. Refactored the code, added new indexes, wrote new flows which resulted in reduction the processing time by 95% (40 hrs to 5 hrs)

• Worked on integrating Recharge Bill Payments system. It has around 300k daily users and has accumulated 25 mil+ users until now. • Worked on streamlining Alpha Seller accounting flows to scale the service up by 4x, helped fix recurring issues due to which payments of around 100 cr used to be stuck monthly and worked on automating refund flow • Wrote on automating Commission Invoicing Flow which is used to pay the sellers at end of the month. Post automation rate of failures reduced from 30% to 1% while the SLA reduced from 3 days to 5 hrs • Migrated around 10 services to Kubernetes having 1k qps on average

Worked on Accounting team to develop a mocking service to mock several API requests to assist testing, worked on deploying GoJira (internal service) which traces a request and can replay the same request using MySQL

1. Worked with Azure Migrate Team to implement On Premise Cost Calculator from scratch2. Researched intensively both AWS TCO and Azure TCO3. Learned database querying using Kusto

Deployed and compared Open Traffic Version 2 against Open Traffic Version 1 assisting company in migrating their API'sfrom Version 1 to Version 2