• Designed backend architecture leveraging AWS services such as EC2, S3, and RDS, along with a microservices approach, improving scalability and system reliability• Developed backend microservices with Spring Boot, including authentication using JWTs and media upload services, ensuring secure user access and seamless content management• Developed media upload service utilizing S3 buckets for storage and PostgreSQL hosted on RDS for metadata, reducing storage latency by 10% and improving data retrieval efficiency• Enhanced infinite scrolling performance using FlashLists and memoization, improving user experience and reducing load times

• Optimized payment processing efficiency by integrating Stripe API using React.js and Node.js SDKs• Enhanced monitoring of checkout sessions by implementing real-time document listeners with Firebase’s Firestore• Reduced navigation errors by refactoring the mobile app navigation using the React Navigation library• Boosted code quality and reduced bugs by utilizing reusable components, and engaging in consistent code reviews and pair programming sessions

• Developed reusable React.js components, improving performance through lazy loading and memorization• Reduced state-related bugs, by utilizing Redux for state management to ensure consistent data synchronization across components• Improved page load speed by 20% for ad-heavy components by implementing HTTP caching for seasonal ads• Designed and developed RESTful APIs with Node.js and Express.js to improve transactions flow and integration• Collaborated with internal partners and product owners to discuss product needs and propose effective solutions

• Monitored machine performance using predictive analytics, increasing uptime by 12%• Designed and developed an automated system for efficient transportation of liquid materials to production lines• Coordinated with suppliers for the procurement and integration of new machinery into the factory setup• Established a continuous improvement program for maintenance practices, boosting efficiency by 5%