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Welcome to My Portfolio

Hello, I'm Demaceo Vincent

Click around to explore my work, learn about me, what services I offer, and how to best reach out.

Developer | Designer

Projects

The Yap App

2025-2026

Real-time translation app combining Gemini Live speech translation, multilingual TTS, and location-based social conversation zones.

Stack: React Native, Gemini Live API, ElevenLabs, Firebase

The Reckoning

2025-2026

An eleven-part roundtable debate site pitting fourteen recurring personas against each other on the promise and peril of AI, with every claim traceable to a source and a build-time pipeline that can turn any part into a voiced podcast episode.

Stack: React, TypeScript, Vite, Recharts

Pinpoint

2025-2026

React Native mobile app for civic engagement — find elected officials, analyze policy alignment, and communicate through AI-assisted workflows on iOS and Android.

Stack: React Native, Expo SDK 54, Express, PostgreSQL

STLMNT

2025-2026

Free React Native app that surfaces verified, open US class action settlements, checks user eligibility, and helps fill the official claim form, never auto-submitting on a user's behalf.

Stack: React Native, Expo, Firebase, TypeScript

Payback Own

2025-2026

Privacy-first consumer intelligence platform that processes personal data on-device and generates secure behavioral analytics.

Stack: React Native, Node.js, PostgreSQL, Gemini 2.5 Pro

RentHarbor

2025-2026

Multi-role property management SaaS with real-time workflows, database-level tenancy isolation, and interactive 3D property previews.

Stack: React Native, Supabase, PostgreSQL, Three.js

Feng Shui

2025-2026

Spatial AI room analysis app that transforms freehand floor plans into 3D scenes and optimized furniture layouts.

Stack: React Native, Skia, Three.js, Firebase

Tech For Us

Featured in documentary exploring technology, innovation, and career development through public interest technology stories.

Engineer My Career

Career development platform for developers with personalized roadmaps, skill assessments, and job-search tooling.

Unmasked Coaching

Personalized career guidance and strategic professional development platform.

Adopt Don't Shop

Pet adoption platform connecting users with rescue shelters across the US through Petfinder API listings.

Moody Tunes

Music recommendation engine driven by user mood with Spotify playback and favorites support.

Cappua

Monthly hip-hop competition app where users submit verses and vote for hall-of-fame placement.

What's Cookin

Recipe platform to search, share, and save recipes with authenticated workflows.

Rancid Tomatillos

Movie browsing application with ratings-based sorting and filtering experiences.