About

Valsaraj Viswanathan is a Java/SpringBoot/J2EE expert with over 14 years of experience in web application development, DevOps, and cloud technologies. He has extensive experience in Microservices implementation and integration, designing scalable web applications, and working with multiple clouds such as GCP, Azure, and AWS. Valsaraj has a strong background in Java frameworks, persistence framework JPA with Hibernate, load balancing servers, and configuration management. His experience also includes working with databases like PostgreSQL, MySQL, SQL Server, and MongoDB. Valsaraj has expertise in healthcare and retail domains and has experience in leading teams and mentoring junior resources. He is knowledgeable in manual and automated testing and has experience in architectural/design patterns and software development principles such as SOLID, DRY, and KISS. Valsaraj is also familiar with Waterfall and Agile methodologies such as Scrum and Kanban. His technical skills include programming languages such as Java, JavaScript, Python, PHP, Go, C++, C, Embedded C, and technologies such as EJB, Spring, Servlet, JPA, JSF, VueJS, NodeJS, Flask, Android, Pgpool, Mirth, Pentaho, SendGrid, Twilio, eFax, Camunda/Flowable BPM, Lucene, ElasticSearch, Keycloak IAM, OAuth, OpenAPI, and Mustache template. He has worked with servers such as JBoss/WildFly, Tomcat, Apache, and Nginx, and operating systems such as Linux and Windows. Valsaraj has experience in Cloud technologies such as GCP, Azure, AWS, Rackspace, DigitalOcean, and Cloudflare. He is also proficient in profiling and monitoring tools such as JProfiler, Open Telemetry, New Relic, Zabbix, JavaMelody, and Nagios. Valsaraj has experience in testing tools such as Gatling, Selenium, JMeter, JUnit, Mockito, Jacoco, and Postman, and code review tools such as SonarQube, PMD, and CheckStyle. He is also familiar with DevOps technologies such as Jenkins, Git, Maven, Docker, Kubernetes, Helm, Ansible, and Azure DevOps. Currently, Valsaraj is working as a Lead Consultant at PK, where he is responsible for Spring Boot Microservices development, Azure cloud-based development and Azure DevOps, and worked on an on-premise to GCP migration