May 2024 – Present · 2 yrs 1 mo · Kolkata, West Bengal, India · Remote

• Retarget Use Case: Developed a system to re-engage users who received Real-Time Offers but didn’t redeem or convert. Implemented this for multiple clients, driving a 7% revenue increase and 5% additional conversions.
• Abandon Cart Use Case: Enabled targeted offers for users with abandoned carts from previous sessions, successfully boosting revenue by 10% by prompting users to complete their purchases.
• Push Notification System Overhaul: Contributed to the redesign of ZineOne’s push notification engine, serving 30M notifications daily for India’s largest private bank. Built key components including:
• 1. Push Token Refresh: Designed a system to update Android and iOS tokens in real-time, ensuring delivery accuracy.
• 2. Analytics Subsystem: Created an attribution tracker to report campaign metrics, including reach, interaction, and dismissal rates.
• 3. Automation & Resilience: Designed 12 Python jobs for ingestion, post-processing, and cleanup tasks across S3 and database systems. Implemented error handling, auto-resume on failure, monitoring, and Slack alerts for robust, seamless operations.

Jul 2022 – Apr 2024 · 1 yr 9 mos · Kolkata, West Bengal, India · Remote

• Rapid Start and Recognition: Within two weeks, began writing tagging code for capturing user activities on e-commerce sites, supporting Session AI’s user behavior modeling. Awarded "Rookie of the Year" for outperforming expectations and delivering high impact.
• Custom Client Solutions:
• Tag Code Development: Built scripts for capturing user activity from GTM, Tealium, and Adobe Analytics, transforming data for model training to classify users by purchase intent.
• Product Velocity Use Case: Implemented social proof messaging by tracking product views, purchases, and cart additions, with priority logic for display.
• Real-Time Offers (RTO): Developed and customized real-time coupon distribution logic to drive conversions based on user purchase likelihood, designing banners responsive to client branding.
• Lowest Price Use Case: Automated daily price data updates using CRON jobs, employing a unique compression solution to address storage limits.
• Upsell Prompt: Integrated client APIs to showcase surplus inventory to high-purchase-probability users, leveraging response caching to avoid API rate limits.
• Coupon Automation: Developed refresh and recycling scripts that reduced coupon processing time from hours to minutes and automated coupon management tasks, sending Slack alerts for completion or validation.
• Cross-Functional Collaboration and Mentorship: Actively contributed to cross-team discussions on architecture and system design, improving product stability and training new hires for faster productivity.
• Efficiency-Driven Solutions: Designed innovative solutions to overcome API and storage constraints, streamline large-scale data handling, and automate routine processes, saving the team significant time and improving reliability.