- Orchestrated and executed a cross-account Jenkins infrastructure, leading the transformation of all Copilot and Terraform pipelines and modules.- Engineered cross-account connectivity solutions for AWS services like ECS and EC2, facilitating seamless communication among micro-services split across three distinct AWS accounts.- Spearheaded the setup of a comprehensive snapshot of the production infrastructure for rigorous testing, before the migration of AWS infrastructure from Singapore to Jakarta region.- Automated and scripted the entire scope of work assigned to the DevOps team for the Day of Migration. The migration was completed ahead of schedule, with zero errors.- Successfully led the post migration Cleanup and Cost Optimisation activity resulting in 20% reduction in AWS costs.

- Successfully revamped and modularized the Jenkins CI/CD pipelines, resulting in a 25% reduction in execution time and 90% decrease in DevOps support tickets.- Elevated service monitoring and visibility on Datadog, establishing SLOs and SLIs, and creating comprehensive service-level dashboards and alerts.- Integrated Cloudflare for advanced network security measures like DDOS, Rate limiting, etc.- Drove the integration of AWS Secrets Manager for storing Database credentials, ensuring simplified password rotation, and enabled Audit and Slow Query logging via pgAudit extension.- Successfully integrated Jumpcloud with various tools like AWS, Jenkins, OpenVPN, etc. to enable Single Sign-On (SSO) functionality, enhancing security and access management.

- Engineered the Dockerization of Frappe, ERPNext, and Bloomstack apps and devised the Kubernetes infrastructure from scratch.- Designed and Implemented the entire CI/CD pipeline spanning Static Code Analysis, Security and Vulnerability detection, Test Case Execution, Merging PRs, and Deployment to the servers.- Overhauled the whole Application and Server Infrastructure, which doubled the performance, improved security, and reduced the cost of hosting by almost 75%.- Spearheaded the development of a new framework derived from the frappe framework.--- Replaced Gunicorn WSGI server with Waitress and Gevent, Redis Caching with Diskcache, andRedis Queuing with Native Python Queuing for cross-platform support.--- Updated JS to ES6 and introduced the ability to plug modern frontend languages like React.--- 25% better performance and 50% less resource utilization.- Refactored the old ERPNext application to work in-line with the new Framework.- Engineered a one-click executable for installing the new framework and application.- Set up Prometheus and Grafana for improved monitoring, alerting and visibility, and ELK stack for enhanced logging.- Contributed to the development of the Frappe Framework fork, which included features liketimezone awareness, improved database precision, and general performance upgrades.

- Handling the Cloud and Self-hosted Infrastructure:--- Responsible for management of more than 40 cloud and self-hosted servers with over 3000 ERPNext client instances.--- Spearheaded the release and testing processes for Frappe and ERPNext and ensured an uptime of more than 97% on the ERPNext cloud.--- Set up Prometheus and Grafana for improved monitoring, alerting and visibility.- Automated Deployments:--- Automated deployment and upgrade process for cloud instances on every new release.--- The deployment system is resilient to failures, maintains logs, and notifies the team on every deploy.--- Authored Migration Manager for automatic cloud version upgrades that reduced manual intervention by 95%.- Optimizations for the ERPNext cloud: --- Rewrote the signup process using a flask application and improved the signup flow speed by 4x.--- Decreased the data sync execution time across servers from 4 hours to 20 mins.- Eliminated security vulnerabilities in the Frappe framework and took measures to improve in-house security.- Deployed ERPNext documentation on Kubernetes, enabling independent scaling, load management, and automated deployments.- Engineered an in-house server running Proxmox to reduce our monthly test server costs by 50%.