Java (Spring Boot, Spring MVC), REST APIs Building scalable backend services and APIs * Oracle, CockroachDB, SQL Data modeling, queries, ORM, and migration * GKP (Google Kubernetes Platform), Docker, Kubernetes Deploying and managing applications in private cloud * Maven, Gradle Managing builds and dependencies * Jenkins, GitLab CI, GKP DevOps Automated build, test, and deployment pipelines * JUnit, TestNG, Mockito, Selenium, CypressUnit, integration, and end-to-end testing * Swagger/OpenAPI Documenting and testing REST APIs * OAuth2, JWT, Spring Security Implementing authentication and authorization * ELK Stack, Prometheus, Grafana, Splunk Application monitoring and log analysis * Bash, Python Automating tasks and scripts * Github Source code management * SonarQube, Checkstyle, ESLint Static code analysis and quality enforcement
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