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Upender Gugulotu
Mid-level Java Full-Stack Developer specializing in Spring microservices and React
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Full-stack engineer with recent enterprise experience building Spring Boot/Spring Cloud microservices on AWS (Lambda, S3, DynamoDB) and a React/TypeScript frontend. Has hands-on experience solving microservice communication timeouts via API Gateway/load balancing and implementing centralized JWT-based security, plus performance work for large data workloads using indexing, caching, and async processing.
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Key Strengths
- End-to-end full-stack delivery (Spring Boot microservices + React/TypeScript + AWS)
- Designing scalable, data-driven systems with performance tuning (indexing, caching, async processing)
- Microservices reliability improvements using Spring Cloud, API Gateway, and load balancing
- Implementing centralized authentication/authorization with Spring Security and JWT (RBAC, token validation filters)
- Building responsive, modular React UIs with state management (Redux/Context) for large datasets
- API design discipline (HTTP methods, JSON contracts, gateway routing, error handling, testing, deployment/monitoring)
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