Sean Shillo, Full-stack Architect and Developer in Boulder, CO, United States
Sean Shillo

Full-stack Architect and Developer in Boulder, CO, United States

Member since February 26, 2020
Sean is a senior full-stack developer and architect who’s delivered many web and mobile projects including ones that needed to robust enough to process heavy data workloads. He’s experienced in several front-end and back-end frameworks including but not limited to Python, Ruby, JavaScript, TypeScript, Rails, Django, Node.js, and PostgreSQL. Sean's worked both as an individual and as a manager and he's capable of contributing quickly with little guidance as well as advising on best practices.
Sean is now available for hire


  • Ikasi
    Python, Django, TypeScript, Angular, AWS, Kubernetes, Jenkins, PostgreSQL...
  • Adaptly
    Ruby on Rails, Backbone.js, AWS, Clojure, Scala, PostgreSQL
  • Thrillist
    WordPress, PHP, JavaScript, MySQL



Boulder, CO, United States



Preferred Environment

OSX, Ubuntu, Vim, Visual Studio Code, Slack, Asana, Trello, GitHub

The most amazing...

...thing I've developed is Adaptly, a social media ad platform that grew to $60 million in revenue and 100 employees.


  • CTO | Co-founder

    2015 - PRESENT
    • Architected and built a data science platform that allowed for the easy deployment of machine learning models and also could be integrated with dashboards. Worked with a product manager, designer, and two developers to accomplish this.
    • Developed a platform using Docker, Django, and PostgreSQL on the back end. The front end consisted of Angular and TypeScript.
    • Setup a Kubernetes infrastructure on AWS using Terraform, Jenkins, RDS, Kops, EFS, and Jenkins.
    • Led weekly sprint planning meetings with all the tasks stored in Asana.
    • Managed two developers, conducted regular one-on-ones, and performed code reviews.
    Technologies: Python, Django, TypeScript, Angular, AWS, Kubernetes, Jenkins, PostgreSQL, Pandas, Scikit-learn
  • Vice President of Engineering

    2011 - 2015
    • Was hired as the first developer at Adaptly, an early-stage startup, when the company consisted of five employees. I was promoted to team lead and then VP Engineering as the company grew.
    • Architected and helped build out the Adaptly product while working with product and key stakeholders. During this time, Adaptly grew to over 100 employees and $60 million in revenue.
    • Scaled PostgreSQL to be able to handle a high workload, that had initially started crashing the original single server.
    • Developed a platform that was able to quickly respond to changes in the Facebook Ads API which the platform allowed clients to deploy their ads through.
    • Managed a team of 12 developers, conducted one on ones, and oversaw the hiring process.
    Technologies: Ruby on Rails, Backbone.js, AWS, Clojure, Scala, PostgreSQL
  • Senior Developer

    2010 - 2011
    • Worked in a team of eight on a redesign of the website and WordPress upgrade.
    • Developed and customized WordPress plugins that were needed for the new website.
    • Tracked bugs and features using Jira while working in sprints.
    Technologies: WordPress, PHP, JavaScript, MySQL
  • Developer

    2009 - 2010
    • Developed iOS applications and back ends in PHP for a mobile consulting company.
    • Developed a system on Android and PHP that allowed for delivery drivers to update the statuses of packages.
    • Developed NYCMate, an application that provided subway maps of New York City and the ability to find subways needed to reach your destination; this was before Google Maps had this functionality.
    Technologies: iOS, Android, MySQL, CakePHP


  • Ikasi (Development)

    The platform helps data scientists to quickly develop and deploy machine learning models for predicting user behavior. The system also allows data scientists to quickly build dashboards.

    I developed the back end with Django, PostgreSQL and the front end was built with Angular and TypeScript. Currently, it is running on Kubernetes on AWS.

  • Adaptly (Development)

    The front end was built on Backbone.js and the back end was built on Ruby on Rails, Clojure, Scala, and PostgreSQL along with featuring multiple services.

    I was the first software developer at the company and later became the VP of Engineering, as the company grew to millions in revenue and over 100 employees. I architected the entire platform, worked to develop it, managed the engineering team, and worked with product to bring requested features to life.


  • Languages

    Python, Ruby, JavaScript, TypeScript, CSS, PHP, Go, Clojure, Scala
  • Frameworks

    Ruby on Rails (RoR), Django, Angular, Bootstrap, Spark, CakePHP, Play
  • Libraries/APIs

    React, Facebook API, Backbone.js, Pandas, Scikit-learn, jQuery, Node.js, TensorFlow
  • Tools

    Jenkins, Jupyter, Apache JMeter, Terraform, Chef
  • Paradigms

  • Platforms

    Kubernetes, iOS, Ubuntu, Docker, WordPress, Android
  • Storage

    PostgreSQL, MySQL, MongoDB, Redis, Elasticsearch
  • Other



  • Bachelor's degree in Computer Science, Computer Engineering
    2002 - 2007
    University of California, Davis - Davis, CA, United States


  • Sample-based Learning Methods
    MAY 2020 - PRESENT
  • Fundamentals of Reinforcement Learning
    MAY 2020 - PRESENT

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