Jul 2025 – Present · 8 mos · Gurugram, Haryana, India

Jun 2023 – Aug 2025 · 2 yrs 2 mos · Gurugram, Haryana, India

• Re-engineered the billing system as a Python Lambda service with SQS event queue using Serverless, reducing faults, improving scalability, and enabling seamless feature additions.
• Implemented a payment feature allowing customers to use multiple cards for different campaigns, eliminating a single point of failure and improving fault tolerance in the payment system for campaign transactions.
• Developed a forecasting feature to predict impressions and audience reach based on third-party segment audience and custom audience targeting during campaign creation, improving campaign performance predictions.
• Migrated the Payments service from Sanic to FastAPI, incorporating asynchronous execution to eliminate API timeouts during high traffic periods, reducing endpoint response times by 40% and enhancing system scalability.
• Implemented a set of reporting API endpoints to generate reports on key metrics like impressions, clicks, and audience reach for campaigns and ad groups, streamlining performance analysis.
• Automated the generation of third-party segments’ Cost Per Mile (CPM) reports on a monthly basis for the Analytics team, streamlining cost estimation and saving 12+ hours of manual effort each month.

Jan 2023 – May 2023 · 4 mos · Gurugram, Haryana, India

• Implemented a CI/CD pipeline with GitHub Actions, streamlining deployments and boosting team efficiency.
• Optimised AWS Lambda with SnapStart, reducing startup time and costs by 60%.
• Enhanced scalability and performance by implementing pagination, cutting data loading time by 80%.
• Developed a secure payment page for Ads Manager using React and Stripe, enabling seamless card tokenization and integration with the backend to save card details.