Jun 2022 – Present · 4 yrs

• Working on Walmart Cloud Native Platform (WCNP) directly on all cloud clusters. WCNP is a Kubernetes-based platform that securely and efficiently runs Walmart’s cloud native, containerized workloads across the edge (Stores, Distribution Centers), private and public cloud (Azure, Google) deployments.
• Heavily focusing on operational aspects with 20% time spent on quick development related work.

May 2021 – Jun 2022 · 1 yr 1 mo

• After stabilising our VM based platform, focused on moving our customers from Managed-Servlet Platform to WCNP Platform to deprecate the VM based platform and upgrade to Kubernetes based platform.

Sep 2019 – May 2021 · 1 yr 8 mos

• Description: We as Managed Servlet, provide a platform to the applications team to deploy their applications on tomcat server in cloud-native approach. We allow applications to deploy both in private and public cloud (Azure) with a fully automated process similar to the Kubernates using OneOps.
• Responsibilities:
• Developing, Testing and support multiple new capabilities and enhancements in the cloud platform supporting business applications.
• Identifying areas for enhancements in the existing application and subsequently implement those requirements on our platform
• Building and Designing Java cloud-native applications for tomcat platform using Java, J2EE, Spring Boot, Maven, ReactJS, Memcache, etc
• Developing and implementing a fully automated CI/CD pipeline using Concord, Looper, and Proximity.
• Developing an automated deployment process for deploying applications onto both public and private clouds using OneOps.
• Writing automation scripts using YAML for the orchestration layer.
• Analyzing the logs from splunk and creating alerts based on exceptions, also analyzing the metrics of the systems using Medusa and create alerts for the user applications.
• Creating dashboards for app utilization, SLA’s, capacity using the elastic search and Kibana.
• Automating the cloud migrations based on capacity available(Cloud Walker).
• Perform unit testing using JUnit and using Looper for continuous integration testing.
• Working individually as well as working closely with other developers on developing and maintaining multiple client applications.
• Documenting all the new features provided for the Users and giving the implementation overviews using Confluence.
• Troubleshooting the tomcat failures and fine-tuning the tomcat Memory, Heap settings based on the system metric data.
• Supporting and maintaining more than 400 Production global applications of Walmart hosted on our platform