Designed and developed scalable backend services and RESTful APIs using Java Spring Boot and Python, supporting 10K+ daily requests with sub-500ms latency and 99.9% uptime for academic applications. Optimized database performance by designing efficient SQL schemas and queries in PostgreSQL, reducing query execution time by 30% and ensuring data integrity for high-volume transactional workloads. Implemented security best practices including authentication and authorization mechanisms using JWT and role-based access control, protecting sensitive user data and preventing unauthorized access across all services. Built scalable data processing pipelines integrating vector databases and embedding models, improving information retrieval relevance by 30% while handling increasing data volumes without performance degradation. Integrated server-side logic with frontend components built in React and TypeScript, ensuring seamless data flow and consistent user experience across faculty-facing web applications. Conducted code reviews and maintained comprehensive technical documentation, improving code quality and reducing onboarding time for new team members by 20% through clear architectural guidelines. Collaborated with cross-functional teams including product managers and QA engineers to troubleshoot backend issues, optimize performance, and deliver features on schedule with 95%+ test coverage.

Architected and developed scalable backend services in Java and Python using microservices architecture, processing over 50,000 transactions daily while maintaining sub-second latency and 99.5% availability for DeFi users. Designed and implemented RESTful APIs with advanced rate limiting and circuit breaker patterns, improving system scalability by 25% and ensuring reliable integration with external blockchain services and SDKs. Managed SQL and NoSQL databases including PostgreSQL and MongoDB, optimizing schemas and queries to reduce storage costs by 30% while maintaining data consistency and availability for high-volume transaction data. Implemented security and data protection best practices including multi-signature wallets and time-locked transactions, preventing over $100K in potential vulnerabilities through comprehensive testing and formal verification. Integrated server-side logic with frontend components built in React and TypeScript, supporting seamless user interactions across trading and portfolio management features and improving user engagement by 35%. Optimized performance of backend services by implementing caching strategies and asynchronous processing, reducing average response times by 40% and enabling the system to handle 10x traffic spikes during peak usage. Wrote clean, maintainable, and testable code with 90%+ test coverage, participated in code reviews, and maintained technical documentation to ensure code quality and knowledge sharing across the team.

Built and deployed 15+ AWS Lambda microservices integrating 30+ third-party RESTful APIs, leveraging serverless orchestration that reduced infrastructure costs by 60% while improving scalability to handle 10x traffic spikes during promotional events. Designed and managed SQL and NoSQL databases including MongoDB and PostgreSQL, implementing efficient schemas and queries that supported 10–20K daily views with sub-200ms page load times through Redis caching. Implemented security best practices including JWT authentication and role-based access control, ensuring data protection and secure access for all users across the CMS blog system. Optimized performance of backend services through lazy loading, code splitting, and CDN integration, increasing page load efficiency by 35% and improving overall system responsiveness for end users. Integrated server-side logic with frontend components built in React and Node.js, ensuring seamless data flow and consistent user experience across all application features and functionalities. Wrote clean, maintainable, and testable code with 95%+ test coverage, participated in code reviews, and maintained technical documentation to ensure code quality and facilitate team collaboration. Collaborated with cross-functional teams including product managers and designers to deliver 12 major projects on schedule, troubleshooting backend issues and ensuring reliable integration with external services and APIs.