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Hi, I'm Sai Bhargav Mannepalli, a Java Full Stack Developer with over 4 years of experience delivering scalable, high-performance web applications using Java, Spring Boot, React, and RESTful APIs. I enjoy bridging front-end interfaces with robust back-end services to create seamless user experiences. I excel in translating business needs into secure, maintainable solutions while optimizing performance and reliability. My track record includes modernizing legacy systems on AWS, implementing microservices, and building data-driven dashboards that support faster decision-making.…Hi, I'm Sai Bhargav Mannepalli, a Java Full Stack Developer with over 4 years of experience delivering scalable, high-performance web applications using Java, Spring Boot, React, and RESTful APIs. I enjoy bridging front-end interfaces with robust back-end services to create seamless user experiences. I excel in translating business needs into secure, maintainable solutions while optimizing performance and reliability. My track record includes modernizing legacy systems on AWS, implementing microservices, and building data-driven dashboards that support faster decision-making.

Sai Bhargav Mannepalli

Full Stack Developer, Web Developer, Front-End Developer, +4

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Hi, I'm Sai Bhargav Mannepalli, a Java Full Stack Developer with over 4 years of experience delivering scalable, high-performance web applications using Java, Spring Boot, React, and RESTful APIs. I enjoy bridging front-end interfaces with robust back-end services to create seamless user experiences. I excel in translating business needs into secure, maintainable solutions while optimizing performance and reliability. My track record includes modernizing legacy systems on AWS, implementing microservices, and building data-driven dashboards that support faster decision-making.…Hi, I'm Sai Bhargav Mannepalli, a Java Full Stack Developer with over 4 years of experience delivering scalable, high-performance web applications using Java, Spring Boot, React, and RESTful APIs. I enjoy bridging front-end interfaces with robust back-end services to create seamless user experiences. I excel in translating business needs into secure, maintainable solutions while optimizing performance and reliability. My track record includes modernizing legacy systems on AWS, implementing microservices, and building data-driven dashboards that support faster decision-making.

Available to hire

Hi, I’m Sai Bhargav Mannepalli, a Java Full Stack Developer with over 4 years of experience delivering scalable, high-performance web applications using Java, Spring Boot, React, and RESTful APIs. I enjoy bridging front-end interfaces with robust back-end services to create seamless user experiences.

I excel in translating business needs into secure, maintainable solutions while optimizing performance and reliability. My track record includes modernizing legacy systems on AWS, implementing microservices, and building data-driven dashboards that support faster decision-making.

Skills

Experience Level

Expert

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Intermediate

Language

English

Fluent

Work Experience

Java Full Stack Developer at Berkshire Hathaway

December 1, 2023 - Present

Designed RESTful APIs with Spring Boot handling 150,000+ requests, improving average response time by 32%, enhancing performance and reliability for internal and customer-facing applications. Built 5 claims processing applications integrating React with backend services, reducing claim resolution time by 28% and improving operational efficiency and processing accuracy for internal insurance teams. Migrated 3 legacy modules to AWS EC2 and RDS, lowering infrastructure costs by 18% while improving scalability and disaster recovery readiness. Integrated PCI-DSS compliant payment gateways into internal applications, enabling fully encrypted transactions. Automated build and deployment workflows using Jenkins and Maven, reducing deployment cycles from 3 days to hours and cutting errors by 40%. Optimized PostgreSQL queries for high-volume dashboards, reducing data retrieval time by 45% and speeding decision-making. Built real-time risk analysis dashboard processing 1,200+ policies daily with

Software Engineer Associate at Hexaware Technologies

December 1, 2022 - September 8, 2025

Delivered 7 enterprise-grade web applications for retail and finance clients with defect rates under 0.8%. Built backend services using Java and Spring Boot capable of processing 1.2 million daily financial transactions with high availability and data integrity. Reduced report generation time by 45% through SQL optimization in MySQL and Oracle. Integrated Angular-based front-end applications with backend APIs, maintaining 99.9% uptime for business-critical systems. Developed Selenium-based automation suites, reducing manual testing efforts by over 50 hours per sprint and increasing test coverage for faster, more reliable deployments. Deployed containerized applications using Docker and Kubernetes, improving environment consistency and reducing deployment failures by 25%. Resolved production issues in under 4 hours, reducing downtime and increasing customer satisfaction. Created reusable React and TypeScript UI components, reducing front-end development time and accelerating delivery fo

Java Full Stack Developer at Berkshire Hathaway

December 1, 2023 - Present

Designed RESTful APIs with Spring Boot handling 150,000+ requests, improving average response time by 32%. Developed 5 claims processing applications integrating React with backend services, reducing claim resolution time by 28% and improving operational efficiency. Migrated 3 legacy modules to AWS EC2 and RDS, lowering infrastructure costs by 18% while enhancing scalability and disaster recovery readiness. Integrated PCI-DSS compliant payment gateways enabling encrypted transactions. Automated build/deploy workflows using Jenkins and Maven, reducing deployment cycle from 3 days to hours and cutting errors by 40%. Optimized PostgreSQL queries for high-volume dashboards, reducing data retrieval time by 45%. Built real-time risk analysis dashboard processing 1,200+ policies daily. Developed microservices architecture for policy management enabling modular deployments and supporting over 500 concurrent users.

Software Engineer Associate at Hexaware Technologies

December 1, 2022 - September 8, 2025

Delivered 7 enterprise-grade web applications for retail and finance clients with defect rates under 0.8%, meeting delivery timelines and quality standards. Built backend services using Java and Spring Boot capable of processing 1.2 million daily transactions with zero downtime. Reduced report generation time by 45% through SQL optimization (MySQL and Oracle). Integrated Angular-based front-end applications with backend APIs, maintaining 99.9% uptime for business-critical systems. Developed Selenium automation suites, reducing manual testing by over 50 hours per sprint and increasing test coverage. Deployed containerized applications using Docker and Kubernetes, reducing deployment failures by 25%. Resolved production issues in under 4 hours, reducing downtime. Created reusable React and TypeScript UI components.

Java Full Stack Developer at Berkshire Hathaway

December 1, 2023 - November 11, 2025

Led development of RESTful APIs using Spring Boot, handling 150,000+ requests and improving average response time by 32%, enhancing performance and reliability for internal and customer-facing apps. Built 5 claims processing applications by integrating React front-ends with backend services, reducing claim resolution time by 28% and improving efficiency and accuracy for internal teams. Migrated 3 legacy modules to AWS EC2 and RDS, reducing infra costs by 18% while increasing scalability and disaster recovery readiness. Integrated PCI-DSS compliant payment gateways to enable encrypted transactions and secure payment processing for insurance operations. Automated build and deployment pipelines with Jenkins and Maven, shrinking deployment cycles from 3 days to hours and reducing release errors by 40%. Optimized PostgreSQL queries for high-volume dashboards, cutting data retrieval time by 45% and boosting user satisfaction. Built a real-time risk analysis dashboard processing 1,200+ polici

Software Engineer Associate at Hexaware Technologies

December 1, 2022 - December 1, 2022

Delivered 7 enterprise-grade web applications for retail and finance clients with defect rates under 0.8%, consistently meeting delivery timelines and quality standards for mission-critical deployments. Built backend services using Java and Spring Boot capable of processing 1.2 million daily financial transactions with zero downtime, ensuring high system availability and data integrity. Reduced report generation time by 45% through SQL optimization in MySQL and Oracle, improving client decision-making efficiency and overall reporting accuracy. Integrated Angular-based front-end applications with backend APIs, ensuring seamless data flow and maintaining 99.9% uptime for business-critical systems. Developed Selenium-based automation suites, reducing manual testing efforts by over 50 hours per sprint and increasing test coverage for faster, more reliable deployments. Deployed containerized applications using Docker and Kubernetes, improving environment consistency and reducing deployment

Java Full Stack Developer at Berkshire Hathaway

December 1, 2023 - November 26, 2025

Designed RESTful APIs with Spring Boot handling 150,000+ requests, improving average response time by 32%. Developed 5 claims processing applications integrating React with backend services, reducing claim resolution time by 28%. Migrated 3 legacy modules to AWS EC2 and RDS, lowering infrastructure costs by 18% and improving scalability. Integrated PCI-DSS compliant payment gateways for secure transactions. Automated build/deploy with Jenkins and Maven, reducing deployment cycle from 3 days to hours. Optimized PostgreSQL queries for high-volume dashboards, reducing data retrieval time by 45%. Built a real-time risk analysis dashboard processing 1,200+ policies daily. Developed microservices for policy management enabling modular deployments for 500+ concurrent users.