Responsible for building and managing scalable, fault tolerant and highly available infrastructure and systems.* Migrated entire stage infrastructure from one region to another* Managing monitoring and alerting setup* Managing multiple RDS postgres instances. This required setting up different tools to manage databases.* Added an additional layer of security for AWS IAM keys (https://lambda.grofers.com/securing-aws-access-keys-a083ae4a5572)* Automating management tasks to manage various databases, VPN and security.* Setting up CI/CD pipelines* Managing internal event bus system* Migration from route53 & cloudfront to Cloudflare* Driving cost optimization (https://lambda.grofers.com/response-to-covid-19-lessons-learned-in-aws-cost-optimization-b466f354b123)* Setting up docker cache for internal registry to save data transfer costs (https://lambda.grofers.com/reducing-data-transfer-costs-with-a-docker-registry-based-cache-8f93d7e561f3)* Setting up and managing Kubernetes cluster and its different add-ons (prometheus, coredns, etc.)

* Created dashboard to manage promotions and send notifications to users using react and node.js* Implemented different backend features* Fixed performance bottlenecks in the system. This included refactoring bad code and fixing slow queries by creating indexes and tuning the database* Setting up platform for other teams for analytics* Wrote microservices for cart and promotions