Jun 2019 – Oct 2025 · 6 yrs 4 mos

• ● Led development of the Engagement Tracking NodeJS microservice, spearheading architecture design, project scoping, and cross-functional collaboration. Delivered a high-performance service with sub-100ms latency, 99.99% availability, and 1 Million requests/min, driving customer revenue through email campaign click/open engagement tracking
• ● Developed an Email Recipient Validation service in NodeJS, leveraging 40% of global email data footprint to validate single and batch emails (up to 10 Million), improving IP reputation and email deliverability up to 50%
• ● Engineered systems to handle 3.32 Billion emails on Black Friday and 3.26 Billion on Cyber Monday, with a peak rate of 9.32 Million emails/min. Improved reliability by adding an Nginx caching tier, reducing backend load during high peak traffic.
• ● Rolled out active-active Multi Region routing for disaster recovery by automatically failing over to another AWS region within 3 minutes, ensuring 99.99% system availability
• ● Achieved 30% cost savings by migrating EC2 instances to ARM and upgrading to AL2023 OS. Optimized DynamoDB with provisioned capacity for predictable usage patterns, saving $50,000 annually
• ● Integrated SparkPost IP Pools into the Bird platform on Golang, enabling seamless transition to dedicated IPs, improving email deliverability. Designed system architecture, database schemas, and SparkPost API integration strategy for system performance and scalability
• ● Optimized testing efforts by enhancing test suite, increasing code coverage to 80% for both unit and functional test cases, performed performance and load tests in staging environment for critical features to ensure system performance
• ● Improved monitoring and observability during on-call by creating/adjusting alarms, creating dashboards, and troubleshooting APM traces and logs in DataDog/NewRelic. Built systems to aggregate logs and push custom metrics, such as canary vs. flock performance
• ● Stood up AWS infrastructure using Terraform

Aug 2018 – May 2019 · 9 mos

• Improved grading time and accuracy by writing bash scripts to auto-grade the assignments
• Helped students with conceptual questions by holding office hours

May 2018 – Aug 2018 · 3 mos · Fulton, Maryland

• Conceptualized and created a full-stack application from scratch that organized unstructured data like documents, let users act on them and visualized statistics
• Consumed REST APIs in AngularJs frontend framework to query data from Alfresco ECM built on Java Spring platform

Mar 2015 – Aug 2017 · 2 yrs 5 mos · Pune Area, India

• Designed and developed workflows and user interface screens of SAP Enterprise Portal, a Java EE web application
• Implemented new features for J2EE web application that aligned better with business processes to add more business value
• Created an EJB web service for holding business logic of J2EE web application
• Performed massive workflow clean up activity to improve system speed performance by 10%
• Reduced no of logged defects by 30% by fixing persisting bugs
• Received multiple Excellence awards (Best New Comer, On the spot award, etc.)