Krishna Chaitanya

• Developed scalable Java applications using Spring Boot and Microservices Architecture, implementing REST APIs, Spring Security, Hibernate/JPA, and backend services for enterprise solutions.
• Built dynamic and responsive front-end applications using ReactJS, Redux, React Router, Bootstrap, and JavaScript (ES6+), implementing modern client-side logic and asynchronous functionality.
• Managed AWS cloud infrastructure using EC2, S3, RDS, Lambda, API Gateway, EKS, and Auto Scaling to ensure high availability, fault tolerance, and optimized application performance.
• Implemented event-driven microservices using Apache Kafka for real-time data streaming, asynchronous communication, and reliable message processing.
• Developed persistence layers using Hibernate/JPA with Oracle and PostgreSQL databases for efficient data access and management.
• Containerized Spring Boot microservices using Docker and deployed applications on AWS EKS using Kubernetes deployments, services, and ingress configurations.
• Managed Infrastructure as Code (IaC) using Terraform and Environment as Code (EAC) YAML configurations, automating environment-specific deployments across Dev, UAT, and Production using Spinnaker.
• Automated build, testing, and deployment processes using Jenkins, Maven, Jules, and Jetstream, implementing CI/CD pipelines and reducing release cycle time by 40%.
• Developed and executed unit and integration testing using JUnit and Mockito, improving application reliability and maintaining code quality.
• Designed and documented APIs using Swagger and managed application deployments on JBoss.
• Collaborated in Agile teams using JIRA and Git/GitHub for sprint tracking, version control, and efficient project delivery.
• Developed AI-powered content creation applications and integrated AI video generation platforms such as Runway AI to streamline automation workflows.

Environment: Core Java, Spring Boot, Microservices, REST APIs, Hibernate/JPA, Spring Security, AWS (EC2, S3, RDS, Lambda, API Gateway, EKS), Apache Kafka, Docker, Kubernetes, Terraform, Environment as Code (EAC), Spinnaker, Jules, Jetstream, ReactJS, Redux, React Router, Bootstrap, JavaScript (ES6+), Swagger, Maven, Jenkins, Git/GitHub, Oracle, PostgreSQL, JBoss, Agile, JIRA.

• Developed and maintained scalable Java/J2EE applications and microservices using Spring Boot, Spring Cloud, and GraphQL, improving application efficiency by 30%.
• Built responsive single-page applications (SPAs) using React, Redux, TypeScript, HTML5, CSS3, JavaScript, and AJAX, developing reusable UI components and delivering responsive, high-performance user interfaces.
• Implemented RESTful APIs and GraphQL endpoints integrated with MySQL and MongoDB, improving data access speed by 35%.
• Designed and optimized AWS RDS databases using Hibernate ORM and advanced SQL queries, joins, stored procedures, functions, and triggers to ensure data integrity and automate business processes.
• Leveraged Object-Oriented Programming (OOP) principles and design patterns including Singleton, Factory, and Observer to develop modular, reusable, and maintainable applications.
• Deployed and managed cloud-based applications using AWS services including EC2, S3, Lambda, API Gateway, Elastic Load Balancing (ELB), and Elastic Beanstalk (EBS), reducing deployment time by 50%.
• Managed CI/CD pipelines with Jenkins and Gradle and automated infrastructure provisioning using Terraform and Ansible.
• Containerized and orchestrated applications using Docker and Kubernetes to ensure scalable and reliable deployments.
• Implemented Spring Security for authentication and authorization, improving security compliance by 35%.
• Performed JVM tuning, JProfiler-based performance profiling, CloudWatch monitoring, CloudFront CDN configuration, and algorithm optimization to improve application performance and resource utilization.
• Implemented Kafka-based event-driven architecture for real-time communication, increasing data processing efficiency by 40%.
• Integrated Express.js for server-side JavaScript development and API enhancements, improving API response time by 25%.
• Deployed applications on JBoss and conducted unit and integration testing using JUnit, reducing post-deployment defects by 50%.
• Collaborated in Agile (Scrum) teams to deliver iterative enhancements, increasing project delivery speed by 20%.

Environment: Core Java, Spring Core, Spring Batch, Hibernate, Spring Cloud, GraphQL, AWS, MySQL, React, Jenkins, Gradle, Spring Security, Terraform, Kafka, JUnit, Agile (Scrum), XML, GitHub.

• Developed and maintained scalable full-stack web applications using React, Redux, JavaScript (ES6+), and Java/Spring Boot, building reusable UI components, optimized state management, and integrating RESTful APIs for enterprise applications.
• Implemented Spring Framework features including IoC, DI, and AOP to improve application modularity, testability, and reduce integration issues by 25%.
• Designed and maintained RESTful APIs using Spring Boot and Spring Data JPA, enabling efficient data retrieval and manipulation and improving data access speed by 35%.
• Integrated Azure services including Azure App Service, Azure Functions, Azure Logic Apps, and Azure Active Directory (Azure AD) for cloud-based application development, secure access management, and deployment, reducing deployment time by 40%.
• Implemented asynchronous communication and real-time updates using AJAX and WebSocket technologies.
• Performed algorithm complexity analysis and application performance optimization, configuring and monitoring systems using the ELK stack (Elasticsearch, Logstash, Kibana) for troubleshooting and reliability.
• Deployed and managed Java EE applications using WebSphere application server and automated build and dependency management processes using Maven.
• Practiced TDD and integration testing using JUnit, improving code quality and reducing post-deployment defects by 40%.
• Implemented CI/CD pipelines using Azure DevOps to automate deployments and reduce deployment errors by 40%.
• Designed and documented APIs using Swagger, improving API usability and developer onboarding speed by 25%.
• Collaborated with Agile (Kanban) teams using JIRA and Git for task management, version control, and efficient code collaboration.

Environment: Java, Spring (IoC, DI, AOP), Azure, Spring Boot, RESTful APIs, Spring Data JPA, React, Redux, JavaScript (ES6+), SQL Server, CosmosDB, WebSphere, Maven, JUnit, Agile (Kanban), JIRA, Git, Azure AD, Azure DevOps (CI/CD), ELK Stack.

• Developed enterprise-level applications using Java and Spring Framework (IoC, DI) to support business operations.
• Implemented Spring MVC for building robust and scalable web applications.
• Utilized Hibernate ORM for efficient PostgreSQL database interaction and data management.
• Designed and deployed server-side components with Servlets and JavaServer Pages (JSP) to enhance application functionality.
• Configured and deployed applications on Apache Tomcat and OpenShift platforms for improved accessibility and performance.
• Monitored application performance with Datadog and optimized system resources.

Environment: Java, Spring (IoC, DI), Spring MVC, Hibernate, PostgreSQL, Servlets, JSP, SOAP, WSDL, AWS, JavaScript, RabbitMQ, Maven, Apache Tomcat, Jenkins, OpenShift, Mockito, OAuth

• Developed Java-based applications using Core Java, Struts, and MVC architecture for efficient application structure.
• Implemented Enterprise JavaBeans (EJB) to develop scalable and robust server-side components.
• Designed and developed RESTful web services to seamlessly integrate front-end and back-end systems.
• Utilized Hibernate ORM for database interactions and seamless integration with PL/SQL for optimized database operations.
• Enabled reliable and asynchronous messaging between distributed systems with Java Message Service (JMS).
• Leveraged Eclipse IDE for coding, debugging, and integrating various Java applications.

Environment: Java, MVC, Struts, Hibernate, EJB, Servlets, JSP, JSTL, JMS, GIT, REST, jQuery, HTML, CSS, JavaScript, Apache Ant, Log4J, JUnit