Yogesh Jilhawar

Senior Software Engineer

Thoughtworks•  January 2020 - Present

Managing release of 80+ microservices of 20+ products Transformed a complex release process into a simple one which cut down release time significantly. Developed Developer centric CI/CD structure using jenkins, jenkins job builder and helm which enabled new teams to get onboarded on their own by writing simple yaml. 350+ pipelines handling 1200+ daily builds. ~1.5 minute downtime migration of microservices and kafka message queue (using mirror maker) from onprem to cloud. Migrated nonprod components to AWS. This involves web-layer(nginx), application-layer and DB-Layer(Mongo) Helped in production mongodb migration to enterprise version. Onprem to cloud and vice versa traffic diversion using Istio virtual service and service entry. Hardened running EKS cluster as per CIS benchmarks. In-place EKS cluster upgrade, istio upgrade. Cost saving using cluster autoscaler and vertical pod autoscaler recommendations. Vertical and horizontal autoscaling in clusters. Platform level monitoring using prometheus and central grafana for analytics and visualization. Real time monitoring of vital platform components using Status page hosted on internet, IVR calls for crucial alerts, tracing using jaeger. A simple and easy to understand process to enable devs to write their own product specific alerts. HA, TLS EFK setup- handling 200GB of logs per day with index rotation using curator. Designed architecture for disaster recovery(DR) setup. Hands on Experience on using application gateway like nginx as a reverse and forward proxy. Actively conducted Blameless post mortem, RCA on outages, streamlined process to access production cluster