Dawar Jafri

Experience

May 2024 – Present

Architected and maintained production AWS infrastructure serving 20k+ daily active users across multiple environments (dev, staging, prod)
Designed and implemented highly available EKS clusters with auto-scaling capabilities, reducing infrastructure costs by 40%
Automated end-to-end infrastructure provisioning for production workloads using Terraform, reducing manual setup effort by 70%
Built comprehensive monitoring solutions using Datadog, achieving 99.9% uptime SLA and improved incident response time by 50%
Designed end-to-end CI/CD pipelines using GitHub Actions for Atlassian applications (Jira, 3+ Confluence applications)
Architected NGINX reverse proxy solution to resolve HSTS security vulnerabilities in production MERN application on AWS ALB, eliminating compliance risks
Containerized applications using Docker and deployed on EKS clusters with proper resource management

March 2022 – May 2024

Created Python automation scripts (AWS boto3) based on tagging, reducing cloud waste and saving 30% in monthly operational cost
Managed Linux servers and performed regular system maintenance, patching, and security updates
Wrote and maintained modular Terraform configurations to provision AWS resources (EC2, S3, IAM), improving infra reproducibility and enabling faster onboarding for new environments

April 2021 – August 2021

Conducted a cost analysis using AWS Cost Explorer and Trusted Advisor. Identified underutilized resources and implemented right-size instance and S3 lifecycle policies, leading to 25% monthly cost savings

Implemented a serverless personal resume website hosted on Amazon S3 and content delivery globally through CloudFront pointed to a custom DNS in Route53
Designed and implemented a robust backend using Amazon DynamoDB to store and manage visitor analytics securely
Leveraged AWS Lambda and API Gateway to increment the visitor count in DynamoDB
Implemented CI/CD pipelines with Github Actions, automating the deployment process and ensuring rapid updates with E2E Testing using Cypress
Achieved cost-effectiveness through AWS Budgets and Usage Reports, optimizing resources while delivering a scalable and responsive web experience
Please click here for architecture diagram

Leveraged Docker Compose to create and manage multi-container environments, ensuring seamless interaction between different services
Wrote a script scheduled as a cron job to automatically fetch the latest docker images
Configured the server to act as a DHCP server, dynamically managing IP addresses for connected devices
Configured a recursive DNS open-source tool to log and filter ad-serving domains per client
Leveraged only open-source-based solutions by following documentation, engaging in forums and contributing

Cloud Platform: AWS (EC2, EKS, IAM, S3, CloudFormation, Route 53, CloudWatch, Lambda, VPC)
Infrastructure as Code: Terraform, AWS CloudFormation
Containers & Orchestration: Docker, Docker Compose, Kubernetes, EKS
CI/CD & Automation: GitHub Actions, GitLab, Python, Bash
Monitoring: Datadog, AWS CloudWatch
Version Control & Collaboration: Git, GitHub