Avinash Rao
Full Stack Java Developer | React, Spring Boot, AWS, Docker | Building Scalable, Cloud-Ready Apps | API & Microservices Expert
- Role
- Java Full Stack Developer at UnitedHealth Group
- Location
- Arlington, TX, US
- LinkedIn followers
- 500 followers
About Avinash Rao
From healthcare innovation to financial tech transformation, I build scalable software…
Experience
Java Full Stack Developer
Mar 2025 — Present
As a Full Stack Software Engineer at UnitedHealth Group, I led backend modernization by refactoring legacy systems into Spring Boot microservices, improving scalability and fault tolerance by 35%. I optimized SQL queries and APIs to enhance patient data access speed by 40%. My front-end contributions using React.js and Material UI ensured mobile-first, compliant interfaces tailored to healthcare standards. I integrated REST and SOAP APIs to streamline EHR and insurance claim flows across systems. Leveraging AWS services like S3, EC2, and Lambda, I enabled secure, cloud-native deployments with 99% uptime. ElasticSearch integration reduced query latency by 50%. I also focused on quality with automated testing frameworks like JUnit and Mockito, achieving 85% test coverage. This role has strengthened my ability to deliver scalable, secure, and high-performance healthcare applications in an Agile environment.
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