SUMMARY

• Over 25 years of professional experience in software engineering, almost 20 of which in the United States. About 10 years in Cloud Computing, DevOps, ClusterOps, Site Reliability Engineering (SRE), and working with Amazon Web Services (AWS). Over 15 years of Full - Stack Web Development.
• A passionate learner investing most personal time closely following latest trends and developments.
• Has acquired immunity against common software architecture and development pitfalls. Not an Ivory Tower Architect. Evangelizes the KISS, YAGNI, SOLID, and DRY principles.
• Decided to focus on DevOps to bring peace after spending years in the crossfires between developers, ops, and QA.
• Humble, yet, often the go-to person for the team. Leads by earning respect, not by title and force. A change agent.
• Has head in the cloud but hands in the terminal - always hands-on across the full stack. zWorked in big and small teams but fits best in startup-like environments, where team members work in synergy, have no time for politics, are expected to wear many hats, and the team is bigger than the sum of all parts.
• Worked both onsite and remotely and knows the challenges with both modes of operation.
• Applies a balanced mix of intuition and engineering when making technology decisions.
• Finds elegant solutions and ships them incrementally without much fanfare; when required, finds balanced compromises while avoiding the accumulation of a critical mass of technical debt, i.e. technical drift.

PROFESSIONAL EXPERIENCE

Confidential

Cloud Architect

Responsibilities:

• Migrated a complex multi-store Magento Community Edition infrastructure from managed hosting to a fully-automated cloud one on AWS using CloudFormation and Docker via Amazon ECS.
• Created a secure and cost-effective AWS Organization with sub-accounts, managed SSH, and secure cross-account access.
• Implemented a CD/CI pipeline using GitHub, CloudFormation, CodeBuild, CodePipeline, Docker Hub, ECR, and ECS on AWS.
• Fully automated the provisioning of HTTPS certificates via SES Email Receiving.
• Implemented robust email delivery with automated provisioning of SPF, DomainKeys (DKIM), DMARC report aggregation via Postmark DMARC API, email verification via SES Email Receiving, and complete MAIL FROM setup.
• Migrated the Production MySQL database to RDS Aurora with no downtime.
• Built the entire Infrastructure-as-Code (IaC) using modular CloudFormation YAML templates and CloudFormation Exports.
• Created a set of complex Lambda-backed Custom Resources for CloudFormation to fully automate the infrastructure.
• Fully automated via Lambda and Bash scripts the integration with non-AWS services such as New Relic and Postmark.
• Implemented continuous linting of code and CloudFormation templates using Git hooks to ensure quality and compliance.
• Implemented centralized logging via CloudWatch Logs for ELB/ALB, CloudFront, ECS, VPC Flow, CloudTrail, and SSM.
• Implemented multi-stage and highly-optimized in size and maintainability Docker images based on Alpine Linux.
• Implemented maintenance tasks via SSM commands eliminating the need for SSH and Ansible, Chef, or Puppet.

Confidential

Cloud Architect

Responsibilities:

• Designed, delivered, supported, and continuously evolved a fully-automated elastic cloud infrastructure capable of handling constant high loads and even 100-fold traffic spikes at optimal cost without performance degradation. Used a combination of declarative and immutable infrastructure using AWS and DevOps best practices.
• Implemented a light-weight CloudFormation framework using standard and custom resources and namespaced JSON extensions to allow modular, reusable, and isomorphic development across environments.
• To deal with hiring challenges abroad, migrated Chef cookbooks and Ansible playbooks to a modular Bash framework.
• Designed and implemented a migration of a large Windows-based on-premises infrastructure to AWS without downtime.
• Migrated live high-volume Windows-based RabbitMQ, Elasticsearch, and MongoDB clusters to Ubuntu on AWS.
• Built an optimized WordPress stack with Nginx, OpenResty, Varnish, PHP-FPM, and PageSpeed Module on AWS following best practices, which was capable of handling millions of unique visitors a month at optimal performance and cost.
• Played a key role in splitting the publishing stack from a monolithic CMS into a headless one with a modular React-based front-end by shipping a high-performance optimized stack using Nginx, OpenResty, and Phusion Passenger.
• Converted a resource-heavy Vagrant-based Node.js development environment to one using Docker for Mac and Windows.
• Implemented monitoring, alerting, and incident reporting via OpsGenie Lamp and Marid. Implemented schedules, escalation and routing policies, voice incident reporting.
• Implemented ChatOps via a Slack chatbot using Botkit and Node.js to expose certain DevOps tasks to the development teams with strong emphasis on security and audit trail.
• Integrated New Relic with multiple plugins and CloudWatch for in-depth Application Performance Monitoring (APM).
• Played a key role in a major web performance optimization project and actively participated in the PageSpeed Module for Nginx (ngx pagespeed) Open-Source Project.

Confidential

DevOps Consultant

Responsibilities:

• Played a key role in a small, but agile DevOps team, responsible for keeping the lights on of the rapidly growing TOMS Shoes e-commerce, which is the largest client on the Magento platform.
• Evangelized automation. Implemented Continuous Integration (CI), Automated Testing, Automated Deployment, Automated Performance Reporting, freeing up resources from repeated manual tasks, prone to errors and low productivity.
• Created a framework to easily maintain and keep up-to-date a self-hosted full Atlassian Suite, Git Server (Gitolite), Selenium Hub, and many others with highly customizable policies.
• Implemented Puppet and Salt Stack for development environments as a pilot project.
• Led all Akamai-related projects and played a key role in web performance testing and improvements as being recognized as the most knowledgeable resource on the team.
• Invented and implemented automated means to extract Keynote performance data and correlate it to Akamai and Apache logs creating a daily deep analysis report on front-end, third-party, and origin’s performance.
• Implemented a Git server via Gitolite with fine-grained roles and permissions, enforcing conventions and workflow to guard the repository from costly mistakes made by novice Git users.
• Implemented a multi-threaded cache priming tool to prevent degradation of service when new load balancer nodes start receiving traffic.
• Mentored developers to implement asynchronous loading of assets to greatly improve site’s performance.

Confidential

Web Architect

Responsibilities:

• Was the technical lead on all web and e-commerce projects of Confidential, Confidential Standard Issue ( Confidential SI), Confidential Vault, Ray-Ban, ESS, Arnette, and Revo and provided technical insight to peers and managers to help them plan big initiatives.
• Lead the migration of Ray-Ban’s e-commerce from a proprietary Ruby on Rails stack to Magento Enterprise and PHP.
• Completely redesigned, led the development, and shipped on time a full rewrite of a legacy fraud detection, and case handling system, its Magento Enterprise plugin, and an API façade for integration with the legacy systems.
• Successfully lead and launched Confidential ’s apparel e-commerce site in the European Union with only a fraction of the planned resources.
• Designed and lead the development of the e-commerce part of the Multi-Channel Gift Cards project at Luxottica with emphasis on security, fraud prevention, and excellent User Experience (UX).
• Lead the migration of Confidential and Confidential Vault from a proprietary Ruby on Rails and PHP platform on Rackspace Managed Hosting to Magento Enterprise on Amazon Web Services (AWS).
• Mentored developers and System Administrators on Cloud Computing and led the transition from Rackspace Managed Hosting to Amazon Web Services (AWS).
• Mentored developers and system administrators on Continuous Integration (CI) and Continuous Delivery (CD).
• Developed comprehensive fully-automated build and deployment scripts.
• Implemented a process to stop and start non-production environments during off-hours to greatly reduce AWS costs.
• Mentored teams on Git best practices and implemented Git Flow to better share code between different brands.
• Helped tweak Scrum parameters to reduce overhead, ship more features faster, and improve morale.
• Became recognized by Akamai as an expert on their product and saved significant amounts of professional services hours and service fees after fine-tuning the configurations. Improved the performance and solve long-standing issues.
• Led the PCI compliance at Confidential and Ray-Ban. Identified and demonstrated security flaws acting as an ethical hacker.
• Humble and always willing to solve the company’s tough problems, mentored Frontend and Backend Developers and System Administrators and quickly became the go-to person for the extended team.