Portfolio

Justin Tiell

Senior Frontend Developer & UI/UX Designer

Ohio, US | Open to 100% Remote

Over a decade of experience bridging the gap between user-centric design and scalable technical architecture.

  • Modern Architecture: Proven expertise in React, Next.js, and TypeScript, combined with enterprise-grade authentication (Azure B2C, Clerk, Auth.js).
  • Product Leadership: Adept at aligning business goals with user needs to lead B2B/B2C greenfield projects from high-fidelity prototypes to deployed MVPs.
  • AI-Accelerated Delivery: Passionate about utilizing modern AI development tools (Copilot, Cursor) to rapidly prototype and accelerate time-to-market.

Core Technologies

React
Next.js
TypeScript
Tailwind
Sanity CMS
Vercel
Azure
AWS
Copilot
Cursor
Figma
UX/UI
Clerk
Auth.js
Azure B2C
Laravel

Experience Highlights

Senior Web Developer

Feb 2024 - Present
Betco
  • Architected functional multi-agent AI bot prototypes.
  • Managed end-to-end frontend release cycles and CI/CD pipelines via Azure DevOps.
  • Architected secure, gated file-viewing solutions leveraging Azure Blob Storage.
  • Guided project timelines and scope, coordinating with distributed teams to ensure timely feature deployment.

Web Developer

May 2022 - Feb 2024
Betco
  • Spearheaded end-to-end design, development, and deployment of envirozyme.com (Next.js/Sanity), mentoring interns to improve performance and drive leads.
  • Architected greenfield B2B corporate website (1950brands.com), mentoring a development intern through the project lifecycle.
  • Maintained and optimized legacy betco.com Sitefinity platform.

UX/UI Designer & Frontend Developer

2018 - Feb 2022
Root Inc.
  • Bridged design and engineering by creating high-fidelity mock-ups in Adobe XD and directly translating them into modular React components.
  • Developed custom, responsive web applications utilizing HTML, CSS, and React.
  • Partnered closely with backend engineering teams to design and consume robust APIs, ensuring seamless data integration.

Lead Frontend Developer

2010 - 2018
Root Inc.
  • Optimized the performance and user experience of multiple WordPress websites through daily management and technical execution.
  • Championed data-driven design by leveraging Google Analytics insights to refine UI, user flows, and conversion forms.
  • Spearheaded SEO-focused content strategies and collaborated with marketing to develop targeted campaign microsites and landing pages.
  • Enforced brand compliance and cohesive design systems across all digital properties and social media channels.

Featured Projects

Multi-Agent AI Bot PrototypeView Gallery

Architected and developed a functional prototype of a multi-agent AI bot with a custom orchestration layer to instantaneously answer user product queries.

AI / Machine LearningPrototypingSystem Architecture

EnviroZyme Next.js Platform

Directed a cross-functional team to design, develop, and deploy envirozyme.com using Next.js and Sanity CMS, driving a sustained increase in lead submissions.

Next.jsSanity CMSReact

Secure Enterprise File ViewerView Gallery

Architected custom internal tools built from scratch for mybetco and EnviroZyme leveraging Azure Blob Storage and AWS to provide secure, controlled file-viewing access.

Azure Blob StorageAWSInternal ToolingDevOps

"End of End" by Squidboat

Co-founding developer and marketer of a rogue-lite auto-battler video game utilizing Godot 4.4 and object-oriented state management.

Godot 4.4Game DesignOOP State Management