Express.Js, Node.js, Redis, Angular, Mean Stack, Elasticsearch, MongoDB, AWS, Scalable REST APIs, Event-driven architecture, DevOps practices, Indexing and query performance tuning, MongoDB schema design, Microservices architecture, Real-time data processing

Git, Sql, Ssh, Reactjs, Concurrency, JUnit, Gcp, Mybatis, Middleware, Microservices, Enterprise Integration, Postgres, Springboot, Spring Cloud, Mockito, Splunk, Teamcity, Oracle, Kubernetes, Docker, Jenkins, Spring Security, Containerization technologies, JDK 11, Event Driven Architecture, Microfrontends, Full-stack development