Brandon Jewell smiling outdoors in a grey hoodie and dark jacket

Growth Design Engineer

I design, engineer, and ship high-converting web experiences, interactive lead magnets, and AI-driven growth systems. Over the last 12 years, I've helped SaaS and tech teams (Copysmith, Rytr, Frase, Uplight, Uber) turn marketing ideas into production code in days instead of sprints—driving outcomes like a +5% signup lift across seven-figure traffic.

Approach of an engineer, eye of a designer, curiosity of a marketer.

Ambrook logo
ambrook.com

Top and bottom of funnel free tools

Concept6 hours ago
Screen recording of the Ambrook demo: the Corn vs. Soybeans simulator, with editable yield, price, and input-cost fields for each crop beside profit-per-acre results and a revenue-versus-cost chart

Farmers search for specific operational math long before they shop for accounting software. I built four interconnected tools for Ambrook spanning top-of-funnel profit diagnostics, acreage expansion modeling, and bottom-of-funnel QuickBooks switching.…

Frase logo
frase.io

GEO Audit Tool (Production)

Production6 hours ago
Screen recording of Frase's free GEO audit running on a submitted page: the progress bar reaches 100% while it fetches content, analyzes how AI platforms see the page, finds opportunities, and calculates the score

As Frase expanded beyond traditional SEO into Generative Engine Optimization (GEO), we needed a faster way to show visitors how they appear in AI search. I helped design and build a free homepage audit where anyone can drop in a domain and get an instant GEO score with ranked fixes—no email required.…

Close logo
close.com

BOFU competitor comparison game

Concept8 hours ago
Close Combat gameplay: Close and Pipedrive boxers trading punches in a ring, with a health bar HUD and an exchange panel about native SMS

Most B2B software comparison pages are static feature grids that buyers skim and forget. I built a playable browser boxing game where Close goes head-to-head against rival CRMs using real product features as punches, blocks, and counters.…