Zenledger

DevSecOps/SRE
https://zenledger.io
2022-2024

• Stack: RoR, Go, AWS, Terraform, Kubernetes, Grafana, Loki, Prometheus, Honeybadger, ScoutAPM, Datadog, Github

• Interesting Chores:

  • performance improvement for api servers from 500-600ms to less than 200ms
  • capacity planning and revision to save more than 10k$/month
  • developed a custom proxy using Tinyproxy to scale outgoing connections and bypass third-party geo-restrictions and rate limits.
  • build cli tool to assist devs to get to rails console, fetch logs, scale up/down their pods
  • custom workflow for static wordpress builds of website
  • autoscaling of reader database to handle spikes
  • autoscaling of servers based on custom metrics(backlog on background jobs)

• Tasks included:

  • bootstrapping all of the necessary infrastructures (introduce iac/terraform after rejoining)
    • preview environments on pull_request with argocd
  • chores:
    • help optimizing database operations
      • report system health issues due to db spikes, help devs deal with the query
      • assist devs to move read queries to reader, add autoscaling on db reader
    • monitor system health and security threats
    • streamlined GitHub Actions (parallel tests) and optimized self-hosted runners configurations.
    • guiding developers to build a robust, secure, and scalable platform.
    • documentation:
      • runbooks to handle incidents
      • all the missing infra components and deployments
  • worked to get compliance: SOC2 & ISO27001 certifications

CloudRickshaw

Founder && Senior DevOps Engineer
https://cloudrickshaw.com
2018-2022

• Started a DevOps as Service offering with a team to help companies and startups streamline DevOps culture.
• Worked with a global team to design, build and deploy banking applications, adhering to strict security and compliance requirements.
• Provisioned infrastructures and environments with code from day one. Monitored security and operational requirements.
• Mentored fresh minds to explore and learn DevOps principles. Provided training on Kubernetes.

Plantura

DevOps Contractor
https://www.plantura.garden/

• Tech: Amazon Web Services (AWS), Terraform, GithubAction, Sentry, Grafana, Helm, Python
• Assisted migration of the Odoo/ERP from odoo.sh to a self-hosted setup at AWS.
• Helped the team improve the overall observability and performance of the system with graphs and logs.
• Drafted testing/preview environments by duck-taping docker via github actions

Innovatetech

DevOps Contractor
https://innovatetech.io/
2020-2022

• Introduced and mentored teammates for IAC with Terraform.
• Streamlined the deployments to be simple and continuous.
• Helped devs improve the health and performance of the system with the instrumentation of metrics, traces, and logs using Prometheus, Grafana, Elk, and APM.
• Involved in non-functional chores like hiring and mentoring DevOps members, advocating documentation and diagrams, and 12factor app design principles.
• Oversaw capacity planning for better resource utilization.
• Defined a granular DevOps Roadmap and delegated ownership among teammates.
• Performed general operational chores, specifically migrations, upgrades, rescue production, sharing postmortems, and improving reliability and security.

IRcon

• Tech: AWS, Kubernetes, Terraform, BitBucket, Grafana, Prometheus, Helm, Java, Python
• Worked with a global team to design, build and deploy banking applications, adhering to strict security and compliance requirements.
• Provisioned infrastructures and environments with code from day one.
• Monitored security and operational requirements.

Upwork

• Kodekloud | https://kodekloud.com/
  • Had awesome experience with Mumshad creating questions on labs for ansible
• Misc
  • Migrating Ruby app to AWS with improvements on security
  • Added pipeline for continuous deployment

Payable

2018-2019

• Introduced and mentored teammates for IAC with Terraform.
  • Tech: AWS, Golang, Solidity, React Native, Mobile, Ethereum, Blockchain, Ruby on Rails (RoR), Go, APIs
  • Built a payment utility application bridging the crypto-legacy banking payment options.
  • Developed the back end (API & custom CLI client), handled the deployments, and managed the team effort for continuous delivery and improvements.
  • The solution was built on top of the Ethereum and Dwolla APIs.

Cloudfactory

DevOps Engineer
https://www.cloudfactory.com/
2013-2018

• Tech: Amazon Web Services (AWS), Grafana, Prometheus, Ansible, Ruby on Rails (RoR)
• Deployed a Ruby runtime on AWS.
• Worked on capacity planning, and build solutions for cost reduction.
• Setup a CI/CD pipeline for a faster, reliable delivery.
• Monitored server/business metrics (over graphs, slack alerts).
• Deployed services with increase availability via clustering, replication (HA).
• Evangelized on better engineering principles/practices (12-factor app) across the team.
• Executed smooth downtime/service migrations, VMS, patching, and building immutable infrastructures.
• Developed bots to automate mundane tasks.
• Supported engineering teams in debug development chores.