Saikrishna Araja

• Led a team of developers to complete a transformation project on time, and go live within a year.
• Implemented an active-passive site structure with data replication from the active site to the passive site using Oracle GoldenGate.
• Increased the processing capacity of the system three fold to process around 30k broadband orders in a day.
• Analysis and design of processes using Camunda BPMN and integration with Spring Boot microservices.
• Establish asynchronous communication between the intra-microservices using RabbitMQ and other inter-systems using IBM MQ.
• Design and development of REST services using Spring Boot, Open JDK 17.
• Unit test the code using JUnit 4 and Mockito.
• Build a common framework to handle all the exceptions in the order journey.
• Set up Jenkins pipelines to build and deploy the services to servers.
• Responsible for monitoring the production system, and setting up critical alerts and health checks.
• Participate in agile ceremonies, triage defects, and prioritize based on business users' needs.
• Define guidelines for best practices in coding.
• Submit proof of concepts to check the feasibility of implementation, and cater to the business requirements.

Tools Used: Camunda BPMN 7.13, Open Jdk 17, Spring Boot, Spring Data JPA, Junit4, Mockito, Oracle SQL, IBM MQ, Rabbit MQ, Soap UI, Maven, Gradle, Docker, Kubernetes, Jenkins, Git, Gitlab, JIRA, SonarQube, Eclipse, Camunda Modeller, Optimize, JAX WS, JAX-RS

• Instrumental in implementing the Lab Results Management System, which processes and persists the values of lab results.
• Gathering and analyzing requirements from the business user, and designing the solutions.
• Develop microservices using Java, J2EE, Spring Boot, and Hibernate frameworks.
• Used the CQRS pattern and event-driven architecture to develop microservices.
• Use the ELK stack to monitor the logs and analyze production issues.
• Persist the data to the database, and query the data using Spring Data JPA.
• Synchronizing the data from IBM DB2 to Apache Cassandra, and establishing asynchronous communication between systems using Apache Kafka.
• Write unit tests using JUnit 4, Mockito, and integration tests using Spring Cloud Contracts.
• Perform static code analysis using Sonar, PMD, and Checkstyle plugins.

Tools Used: Spring Boot, Spring Data JPA, IBM DB2, IBM extreme scale, Elastic Search, Cassandra, Apache Kafka, Spring Cloud Netflix, Eureka Zuul, Apache Camel, Denodo, Maven, Spring Tool Suite, Bitbucket, Jenkins, JIRA, Git, Crucible, SonarQube, Fuse ESB

• Design solutions for SaaS (Software as a Service) and in-premise/client-server product models.
• Design and develop a supply chain and order management system.
• Utilize Spring Data JPA to persist the data in the PostgreSQL database.
• Use the MapStruct API to transform data between entities and DTOs to reduce boilerplate code.
• Use entity graphs with lazy loading for efficient data querying from the database.
• Implement a common logging framework using Spring AOP.
• Implement authentication and authorization using Spring Security, OAuth 2.0, LDAP, and JWT.

Tools Used: Angular JS, Java/J2EE, Core Java, Spring Core, Apache CXF, Spring Boot, Spring JPA, Hibernate, Spring Batch, Spring Integration, Spring AOP, Spring Security, Junit4, Mockito, JIRA, Crucible, SVN, Confluence, SonarQube, Bugzilla, PMD, Jenkins, Eclipse, JBoss development Studio, JBoss EAP 7.0, Wildfly, OAuth 2.0

• The project involved the maintenance of the Clintegrity360 product to make its features more defect-free and useful to its users
• Analyze the use-case requirements and design the LLD and HLD
• Instrumental in migrating the DRG(Diagnosis Related Groups) calculation logic based on ICD9 codes to ICD10 codes
• Develop new screens using HTML, CSS, and business logic using Java catering to the business requirements
• Review of design and code deliverables to ensure good quality
• Work on HL7 and interlink interfaces

Tools Used: Spring MVC, Spring JDBC, HTML5/CSS/javascript, Struts 1.x., Jira, Eclipse, Tomcat, Perforce, Share point, SQL Server, JIRA