• Architected and scaled end-to-end web applications using React.js, Node.js, Express, and MongoDB, improving platform reliability and speeding up feature delivery for global enterprise clients.
• Built and optimized RESTful APIs and GraphQL endpoints, enabling real-time data sync and improving response times by 40% across multiple business modules.
• Designed high-performance database schemas in MongoDB, implemented advanced indexing and aggregation pipelines to reduce query latency by 60%.
• Engineered modular React components with lazy loading, code-splitting, and reusable UI patterns, making product configurators and dashboards load 20% faster.
• Automated workflows by integrating backend services with third-party APIs, saving 25+ hours/week in manual operations and unlocking new product capabilities.
• Led migration of 1.5M+ records across systems by building custom data pipelines in Node.js, ensuring zero downtime and bulletproof data integrity.
• Collaborated in cross-functional
