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 Prototype

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

OpenAILLMPrototypingSystem Architecture

EnviroZyme Next.js Website

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 File Viewer

Architected custom customer-facing tool built from scratch for EnviroZyme leveraging Clerk and AWS S3 to provide secure, controlled file-viewing access.

ClerkAWSInternal ToolingDevOps

"End of End" by Squidboat

Co-founding developer and marketer of a rogue-lite auto-battler video game utilizing Godot 4.6 and object-oriented state management.

Godot 4.6Game DesignOOP State Management