Work

Platforms we've designed, built, and shipped.

A spread across assessment, education, operations, and data — each one taken end to end. Some are public products; one is client-confidential and described by capability only.

passdeed.com

Adaptive assessment platform

PassDeed

In production

An adaptive real estate exam-preparation platform for Texas, Florida, and California, built around a real Computer Adaptive Testing engine rather than a static quiz bank. Its free diagnostic estimates readiness, maps performance to each state’s official exam blueprint, and shows candidates exactly what to fix before test day.

CAT engine using Item Response Theory, producing a 0–100 readiness score with a stated confidence range
State-first question banks mapped to the official Texas, Florida, and California exam blueprints
Source-verified legal content and misconception tracking that identifies repeated conceptual gaps

Next.jsSupabaseStripeTypeScript

rntestpro.com

Adaptive assessment platform

RNTestPro

In production

An NCLEX exam-preparation platform for nursing students built around a real Computer Adaptive Testing engine — not a static quiz tool. Question selection is driven by live ability estimates, with Next Generation NCLEX case studies modeled on the Clinical Judgment Measurement Model.

CAT engine using IRT / Rasch modeling, partial-credit scoring, and Bayesian ability estimation
Next Generation case studies with multi-step clinical-judgment tasks
Subscriptions and entitlements, analytics dashboard, and exam history

Next.jsSupabaseStripeTypeScript

library.perfusioneducation.com

Custom clinical education SaaS

Perfusion Education Library

In production

A custom SaaS platform powering the world’s largest dedicated education library for cardiovascular perfusion professionals. Built with our Poland-based engineering partner, it brings accredited video courses, live events, commerce, and continuing-education compliance into one system.

On-demand video courses and live events with individual purchases, bundles, and unlimited-access plans
Automated ABCP continuing-education credit and certificate tracking by category
Faculty, topic, ratings, favorites, and learner dashboards unified in a single platform

SaaS platformPaymentsVideo deliveryCEU automation

internal · access controlled

Internal operations software

Operational Platform

In productionclient confidential

A confidential operations system that replaced a patchwork of spreadsheets and messages with one centralized tool. Built for an organization that needed scheduling, accountability, and automation in a single place.

Centralized scheduling and case / workflow tracking
Location-aware actions and role-based access for distinct user types
Process automation and business-process management end to end

Next.jsSupabaseRole-based accessAutomation

Interactive learning game

Perfusion Jeopardy

In production

A host-driven Jeopardy game built for live perfusion education — classroom sessions, conference workshops, and clinical in-services. A host runs the board from a control panel while contestants play two rounds, wagered Daily Doubles, and Final Jeopardy, all powered by a curated bank of cardiovascular perfusion questions.

Full game engine: two rounds with classic value ladders, wagered Daily Doubles, and a Final Jeopardy with score-ordered reveal
Host control panel with manual scoring, configurable timers, sound effects, and printable boards and answer keys for in-person play
Admin panel with full CRUD over the perfusion question bank — CSV-seeded base questions plus custom-authored items, saved as reusable game boards

Next.jsReactSupabaseTypeScript