Vishnu Sakinam

Developed healthcare microservices using Java 17, Spring Boot, Spring Framework, Spring MVC, JPA, and Hibernate; exposed REST and GraphQL services to manage patient records, appointments, and clinical workflows; secured APIs with Spring Security, OAuth2, SAML, SSL/TLS; implemented service discovery with Spring Cloud Eureka; built event-driven clinical workflows using Kafka for lab results and real-time updates; designed responsive Angular-based dashboards for healthcare staff; persisted data in PostgreSQL and AWS DynamoDB; implemented Redis caching; containerized with Docker and Kubernetes (AWS EKS); managed infrastructure with CloudFormation; established CI/CD pipelines with Jenkins and Argo CD; performed backend testing with JUnit and API validation with Postman; implemented centralized logging and auditing with ELK, Dynatrace, and AppDynamics; enabled HL7 FHIR interoperability; supported multi-environment deployments.

Developed microservices using Java 11, Spring Boot, Spring MVC, and Spring Data JPA; exposed REST APIs and GraphQL endpoints; secured access via Spring Security, OAuth2, and JWT; implemented event-driven architectures with RabbitMQ; persisted data in Azure DynamoDB and SQL databases; built front-end interfaces with React, TypeScript, Redux Toolkit; containerized with Docker and orchestrated on AKS; implemented serverless backend processes with Azure Functions; optimized queries in MySQL and Azure SQL; authored API contracts with Swagger/OpenAPI; built automated CI/CD pipelines with GitHub Actions, Azure DevOps, and Terraform; engineered real-time order tracking and analytics dashboards.

Developed backend microservices using Java 8, Spring Boot, Spring MVC, Spring Data JPA, and Hibernate; exposed REST APIs and GraphQL; persisted data in Oracle and Cassandra; secured with Spring Security, OAuth2, JWT, and SSL/TLS; built cloud-native pipelines on GCP (Compute Engine, Cloud SQL) and Kubernetes; front-end UI with Vue.js; serverless components with GCP Cloud Functions; containerized apps with Docker; CI/CD with GitLab and Spinnaker; implemented testing with JUnit and Cypress; created documentation with Swagger/OpenAPI and Postman; optimized query performance for high-volume banking analytics.