Sapna Jha

Integrated Tata 1mg APIs for B2B partner workflows and deployed the integration to production, enabling live partner transactions and contributing to higher partner-driven user activity and revenue opportunities through a production-facing healthcare workflow. Built and shipped P2P referral and engagement features including Stories, trackers (water, weight, exercise, periods), games, rewards, and streaks, contributing to 3–5% of daily sign-ups beyond organic and paid acquisition and strengthening user engagement across a 50K+ DAU platform. Optimized backend performance using Redis and in-memory caching, reducing redundant database queries by up to 40%, improving API response times by 30%, and enabling backend services to handle higher production traffic with lower database load.

SDE - Backend Developer Intern at SUPER LIVING - Series A Startup (2026-03 – 2026-08)

• Integrated Tata 1mg APIs for B2B partner workflows and deployed the integration to production, enabling live partner transactions and contributing to higher partner-driven user activity and revenue opportunities through a production-facing healthcare workflow.
• Built and shipped P2P referral and engagement features including Stories, trackers (water, weight, exercise, periods), games, rewards, and streaks, contributing to 3–5% of daily sign-ups beyond organic and paid acquisition and strengthening user engagement across a 50K+ DAU platform.
• Optimized backend performance using Redis and in-memory caching, reducing redundant database queries by up to 40%, improving API response times by 30%, and enabling backend services to handle higher production traffic with lower database load.
• Integrated Better Stack for centralized logging and API observability, monitoring P50, P95, and P99 latency metrics and production errors to identify performance bottlenecks and reduce production issue investigation time by approximately 50%.

SDE - Frontend/React Intern at TURNPIKE ANALYST (2023-11 – 2025-09)

• Rebuilt the existing WordPress/PHP website using React.js, developing a reusable component-based architecture that improved maintainability, reduced development overhead, and enabled faster feature delivery.
• Optimized routing, state management, and frontend rendering, improving page load times by 60% and improving Lighthouse performance scores for a faster user experience.
• Developed and shipped production-ready frontend features across the platform, improving user experience and engagement while collaborating with backend and product teams throughout the development lifecycle.

Bachelor of Technology in Electrical Engineering – HALDIA INSTITUTE OF TECHNOLOGY, HALDIA (2022 – 2026)