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zwalden/README.md

Zechariah Walden

Social

Introduction

Dedicated and driven coder with over 20 years of experience, capable of expertly producing quality server-side and client-side code. Extensive experience in automation through continuous integration & continuous delivery. Outstanding written and verbal communication skills, thriving in team environments. Enthusiastic about integrating with new teams, understanding and developing workflows, sharing ideas, concepts, and design patterns to build scalable and architecturally sound software.

Skills

Languages

  • PHP
    • Slim, Laravel, PHPUnit, Lumen, Zend Framework, PHPSpec, PSRs
  • JavaScript / TypeScript
    • Bun, Node, Angular, jQuery, Babel, Webpack, Canvas, Three.js, Pixi.js, Node.js, Nuxt, TypeORM, JSON
  • C#
    • Godot, Unity
  • C++
    • Unreal Engine

DevOps

  • Kubernetes, Jenkins, Git, RabbitMQ/AMQP, Google Pub/Sub, Elasticsearch, Nginx, Memcached, Docker, Composer, NPM, Ant, Jira, Zendesk, Swagger, Postman, Metabase, Confluence, HAProxy, Apache, Asana, LetsEncrypt, Kibana

Databases

  • MySQL, MariaDB, MSSQL, SQLite, MongoDB

Operating Systems

  • Debian (and forks), SmartOS, MacOS, Windows

Professional Experience

All Digital Rewards (March 2014 - Present)

  • Principal Engineer, Team Lead, Senior Software Engineer, DevOps, Lead Developer

Responsibilities:

  • Led team of developers in agile and software development life cycle workflows
  • Maintained HIPAA, PCI DSS and SoC2 compliance for a large service ecosystem
  • Developed and maintained high availability microservice architecture for a loyalty incentives platform
  • Developed and maintained private package repositories for SDKs with semantic versioning
  • Integrated with financial services (banks, card processors, check processors, gift card fulfillment)
  • Regularly performed code reviews for and with team members
  • Facilitated onboarding of engineers and junior developers
  • Helped junior talent through the development ranks through mentorship
  • Established CI/CD, which included unit testing, static analysis, multiple deployment targets for over 100 services
  • Implemented high availability microservice architecture and PCI DSS security
  • Established best practices and provided intel for decision-making

Technologies:

  • PHP, JS, MySQL, Google Cloud, Git, Docker, Kubernetes, Redis, AMQP, ElasticSearch, Vagrant, VirtualBox, Puppet, NginX, Apache, Linux, Laravel, Kibana, Metabase

Highlights:

  • Onboarded large health insurance companies into an enterprise SaaS, which included event based driven architecture, webhooks and a proven track record of over 99.99% uptime across dozens of services
  • Migrated tens of millions of records and three antiquated loyalty systems into a newly built microservices platform for a large, established survey company
  • Migrated a legacy monolithic application into a modern service-based architecture, which utilized docker & kubernetes, developing and implementing purpose-driven services with integration and unit testing during their automated deployment through continuous integration

ZEWADesign, LLC (September 2008 - March 2014)

  • Owner, Developer, System Administrator, Designer

Responsibilities:

  • Turnkey development and design of applications
  • Interfaced with all clients from beginning to end of the project life cycle
  • System and database administration

Technologies:

  • PHP, JS, MySQL, MSSQL, IIS, Linode, Joyent, Git, Vagrant, VirtualBox, Puppet, NginX, Apache, Linux

Highlights:

  • Redesigned and completely rebuilt the entire end-user experience and the administrative management interface for a popular classic MMORPG
  • Built a complete social network for a ministry in Kentucky
  • Built various custom systems for a large profile of clients

ISource Computers (January 2003 - September 2008)

  • Manager / Developer / System Administrator / Networking

Responsibilities:

  • System administration and networking
  • Designed and developed websites and intermediate applications
  • Call and support desk
  • Sales

Technologies:

  • PHP, JS, LAMP, MySQL, Photoshop, TortoiseSVN, UltraVNC

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