Karthik Babu Vadloori

Engineered high-performance Spring Boot microservices handling over 2M daily requests, reducing API latency by 40% and improving scalability under load. Spearheaded GraphQL and REST API development for web and mobile platforms. Implemented end-to-end OAuth 2.0, JWT, and RBAC security. Orchestrated multi-cloud deployments on AWS ECS and GCP GKE, leveraging Kafka and Kinesis for scalable messaging. Developed 30+ reusable UI components in React.js + TypeScript. Enhanced CI/CD with GitHub Actions and Kubernetes. Optimized frontend with lazy loading and code splitting; reduced infrastructure costs via Terraform and Helm. Implemented real-time monitoring with Prometheus, Grafana, and ELK. Improved backend data flow using PostgreSQL, Redis, and Elasticsearch. Maintained 90%+ test coverage (JUnit, Mockito, Jest, Cypress).

Architected scalable cloud-based backend solutions on AWS (Lambda, EC2, S3) and Azure; led migration of legacy systems to cloud with AWS RDS/Azure Cosmos DB. Built high-performance RESTful APIs and GraphQL endpoints integrated with API Gateway and Azure Functions; improved data throughput and responsiveness. Designed data models with AWS RDS, Redis, and Cosmos DB to reduce retrieval times. Implemented microservices with Docker and AWS EKS, achieving faster deployments and scalability. Enhanced security with JWT, OAuth 2.0, and AWS Cognito; collaborated with frontend teams to deliver responsive UI components using React.js; drove CI/CD with AWS CodePipeline, Jenkins, and GitLab CI; achieved 95% test coverage and Swagger API documentation.