Formerly part of Genpact PVAI

• Responsible for implementing, maintaining and updating all components of the micro-services stack, primarily in AWS with many SaaS integrations like Atlas MongoDB, OAuth Framework, Splunk/New Relic, Databricks, PagerDuty, etc.

• Dozens of docker services running as ECS services for HA, exposed using ALB/ELB with OAuth framework for API application security. Exposed using cloud flare.

• Multiple backend connections from middle layer to DBs, separated at network level and API security using roles in OAuth

• Responsible for all pre-production and production environments

• 24/7 On-call rotational support for Production environments.

• SME and DB admin for multiple data stores (Elasticsearch, Reddis, MongoDB, SQL, etc)

• Migrated infrastructure components into infrastructure as code to deploy and update individual components.

• CI/CD pipelines using Jenkins

• Multiple data backup/restores and disaster recovery recovery solutions

• Monitor, alert and report on individual and system component uptime’s, mean time to recovery, etc for APIs, services, databases and ETLs

• ETLs using Airflow and Data-warehouse in S3 and glacier.

• Responsible for building, automating and maintaining AWS cloud and data center hybrid cloud environments, both monolithic and microservices; including deployments, CI CD pipelines, release management using Jenkins and Bamboo, 24/7 automated monitoring platform with alerting and real-time visualizations of current state of applications, vms/instances/servers, DBs, and different clusters of Storm, Mesos, RabbitMQ, Elasticsearch, Spark, Redis, MongoDB and others.

• Primary support for on-call rotation for Production issues, supporting a plethora of technologies and DBs.

• Implemented end to end service and host monitoring using Prometheus, Grafana, Alert Manager, PagerDuty and Slack integrations. System monitoring using prometheus plugins, log event monitoring using ELK and AWS Cloudwatch metrics, graphed in Grafana, alerts managed by Alert manager and sent to PagerDuty and /or Slack.

• Writing Automation and configuration management using Chef and Ansible for new and migrating old Chef scripts to using Ansible.

• Designed various solutions for running a stack that includes applications running in/with, Mesos, Marathon, Storm, Kafka, Cassandra, Spark.

• Responsible for seamless and online migrations of entire stacks with TB’s of different databases to and from AWS and local data centers.

• Day to day maintenance, deployment, troubleshooting for application delivery in all environments, DEV, QA, Staging and Production.