Apr 2020 – Apr 2022 · 2 yrs · Bengaluru, Karnataka, India · On-site

• Managed the migration of entire applications stack running on legacy infrastructure to Kubernetes Cluster
• Setup the CI/CD pipeline using ArgoCD to deploy applications into Staging/Preprod/Production
• Managed the integration of application/infra metrics to be available on Prometheus
• Managed the integration of application/infra alerts with “OpsGenie”
• Worked with “SpringBoot” and “Jetty” framework applications and co-ordinated a smooth migration from Legacy to Kubernetes Environment without a downtime
• Coordinated with the Dev Engineering managers to reduce the application issues like analysing the high application response time, analysing the frequent incidents in Prod/Preprod and reduced the number of incidents by almost “80%”
• Coordinated with the Dev team to setup “load test” environments to fine tune the resource utilization and scaling policies
• Coordinated with the QA and Devops team to set up a “canary deployment” strategy using ArgoCD on Production/Preprod for all the applications. The build could only be promoted once the sanity was green
• Setup the “Active-Active DC” architecture for our on-premise infrastructure

Jan 2019 – Apr 2020 · 1 yr 3 mos · Bengaluru Area, India

• Designed the kubernetes infrastructure taking into considerations “scalability”, “reliability”, “performance” and “security”
• Coordinated with the application teams to breakdown one big app into smaller chunks (microservices)
• Coordinated with the QA team to stabilize their test suite environment by implementing Jenkins over Kubernetes
• Designed the CI/CD pipeline on Jenkins for build and deployment to different environments and integrated with Slack for command based on-request build and deployment using Hubot
• Migrated the entire application stack from “AWS EC2” to “kubernetes” infrastructure
• Scaled up the test taking platform by “5x” i.e from “5000” concurrent candidate logins to “25000” concurrent candidate logins
• Implemented the web firewall with alerts for protection against “Denial of Service”(DOS) and “CDN” for serving static frontend assets on “Akamai”

Jun 2018 – Jan 2019 · 7 mos · Bengaluru, Karnataka, India

Aug 2016 – Jun 2018 · 1 yr 10 mos · Mumbai Metropolitan Region

• Implemented “Docker Swarm” on physical dell poweredge servers running Linux for migrating the existing application stack on docker
• Coordinated with the “Hadoop” Development team to helm them migrate their infrastructure on “AWS EC2” for better “scalability” and “performance”
• Setup monitoring stack on “Nagios”, “Grafana”, “node_exporter”
• Setup “CI/CD” for deployment of code releases using “puppet 2.7” and later migrated the same to “puppet 4.0”

Dec 2015 – Aug 2016 · 8 mos · Bengaluru, Karnataka, India

• Writing backend web applications on “python” using “flask framework”
• Responsible for client handling, requirement gathering via direct client interaction, implementation of prototypes and approval form clients.
• Individual contributor for multiple client projects, worked on various technologies – Python, C++, Java, Docker
• Deployment of Staging, Pre-staging and Developer Server builds through Subversion and Bamboo configuration.

Jul 2014 – Dec 2015 · 1 yr 5 mos · Manyata Tech Park, Bangalore

• Working with the frontend team to integrate their routes with the backend APIs
• Involved in “performance testing” of applications before production release
• Giving demo to the client about the feature release and ensuring a smooth rollout to staging environment
• Worked closely with the QA team to resolve several bugs raised by them during staging/UAT deployment

Mar 2011 – Jun 2014 · 3 yrs 3 mos · Greater Hyderabad Area

• Working with the senior developers to optimize the existing applications to improve “API performance”
• Improve database queries
• Responsible for understanding and enhancing the older backend applications