Sean Shillo, Full-stack Architect and Developer in New York, NY, United States
Sean Shillo

Full-stack Architect and Developer in New York, NY, United States

Member since February 26, 2020
Sean is a senior full-stack developer and architect who has delivered many web and mobile projects, including ones that needed to be robust enough to process heavy data workloads. He's worked with several front-end and back-end frameworks, including Python, Ruby, JavaScript, TypeScript, Rails, Django, Node.js, and PostgreSQL. Sean's performed 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
    Amazon Web Services (AWS), Scikit-learn, Pandas, PostgreSQL, Jenkins...
  • Adaptly
    React, Amazon Web Services (AWS), PostgreSQL, Scala, Clojure, AWS...
  • Thrillist
    MySQL, JavaScript, PHP, WordPress



New York, NY, United States



Preferred Environment

GitHub, Trello, Asana, Slack, Visual Studio Code, Vim Text Editor, Ubuntu, MacOS

The most amazing...

...platform I've developed is Adaptly, a social media ad platform that grew to $60 million in revenue and has 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: Amazon Web Services (AWS), Scikit-learn, Pandas, PostgreSQL, Jenkins, Kubernetes, AWS, Angular, TypeScript, Django, Python
  • 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 the product and key stakeholders. During this time, Adaptly grew to over 100 employees and US $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: React, Amazon Web Services (AWS), PostgreSQL, Scala, Clojure, AWS, Backbone.js, Ruby on Rails (RoR), Ruby
  • 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: MySQL, JavaScript, PHP, WordPress
  • 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: CakePHP, MySQL, Android, iOS


  • Ikasi

    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

    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, Clojure, Scala, CSS, PHP, HTML, SQL, Go
  • Frameworks

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

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

    Jenkins, Jupyter, Apache JMeter, Jira, Terraform, Chef, Vim Text Editor, Slack, Asana, Trello, GitHub
  • Paradigms

    Agile, Test-driven Development (TDD)
  • Platforms

    Kubernetes, iOS, Ubuntu, Docker, Amazon Web Services (AWS), WordPress, Android, Google Cloud Platform (GCP), MacOS, Visual Studio Code
  • Storage

    PostgreSQL, MySQL, MongoDB, Redis, Elasticsearch
  • Other

    AWS, Back-end, Leadership, Team Leadership


  • 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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