Allister Kays, Developer in Portland, OR, United States
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Allister Kays

Verified Expert  in Engineering

Full-stack Developer

Portland, OR, United States
Toptal Member Since
October 12, 2022

Allister is a full-stack web developer with seven years of experience who leans more towards algorithms and API development rather than design. Allister is self-taught with a passion for helping others, solving problems, coding, and providing personalized solutions that emphasize communication and prioritizing client needs.


HTML, CSS, JavaScript, C#, ASP.NET
JavaScript, Node.js, FeathersJS, WordPress, HTML, CSS, PHP
Self Employed
JavaScript, HTML, CSS, Node.js, PHP, WordPress




Preferred Environment

Windows, Ubuntu, Visual Studio, Visual Studio Code (VS Code)

The most amazing...

...project I've built by myself was a professional full-stack application—containing authentication, user administration, and a custom-built analytics dashboard.

Work Experience

Web Developer

2021 - PRESENT
  • Built and supported an internal- and external-facing application portal to serve users' healthcare analytics data.
  • Tracked and resolved requests and bugs in Azure DevOps.
  • Developed custom applications for internal use by other team members.
Technologies: HTML, CSS, JavaScript, C#, ASP.NET

Full-stack Developer

2018 - 2022
  • Worked as the sole developer on several projects, fully implementing desired specifications.
  • Planned and set up the architecture for multiple projects.
  • Communicated questions and progress updates to clients.
Technologies: JavaScript, Node.js, FeathersJS, WordPress, HTML, CSS, PHP

Full-stack Developer

2017 - 2022
Self Employed
  • Composed proposals for clients and communicated objectives and progress updates.
  • Built new projects from the ground up and added new functionality to existing projects and websites.
  • Constructed custom WordPress plugins to support the desired functionality for client websites.
Technologies: JavaScript, HTML, CSS, Node.js, PHP, WordPress

This project involved matching registered investment advisors (RIAs), IBD advisors, independent and captive insurance agents, and tax practices with the right lending solution for an optimized outcome.

Here, I worked as the sole full-stack developer and implemented the partial design provided by the client.

Project Features:
• Configurable questionnaire for matching users to lenders
• Admin area for managing lenders
• Analytics dashboard for viewing user progress and lender matching
• Amortization calculator




Git, Visual Studio, Adobe Experience Design (XD)


JavaScript, CSS, HTML, PHP, C#


WordPress, Windows, Ubuntu, Visual Studio Code (VS Code)


FeathersJS, ASP.NET


Microsoft Azure

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