Prince Nna

Senior Full Stack Engineer

Senior Full Stack Engineer with 6+ years of production experience across mobile, web, and backend integrations. Currently leading mobile development at Expert Listing, rebuilding its Flutter app and Dart/Jaspr website around shared application logic. Previously owned cross-platform search at Keller Williams; independently building findaphone.ng and open-source developer tools.

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Jaspr web development

I build server-rendered websites in Dart with Jaspr, from the Expert Listing property platform to findaphone.ng. My work covers shared Flutter/web application logic, API integration, and search-friendly public pages.

Explore my work as a Jaspr web developer

Projects

Expert Listing

A Shared Dart Core for Mobile and Web

Lead mobile development and rebuilt the Flutter app and Dart/Jaspr website around shared API and application-state packages. Took the mobile rebuild from its first commit to a store release in 24 days, while helping hire and establish the engineering team.

Flutter Jaspr Riverpod Django REST Team Leadership

findaphone.ng

A Phone-Buying Platform for Nigeria

Founded and built a live phone-buying platform for Nigeria, from recommendations and marketplace matching to reviewed community OS support and NCC model-approval evidence. One Dart monorepo spans the Jaspr website, dart_frog API, scrapers, and Supabase Postgres.

Dart Jaspr dart_frog Supabase Melos Founder

Lagos Landlord

A Playable Lagos in the Browser

Built a browser-based Lagos game experiment with walkable streets, keke driving, interactive characters, and multiplayer presence. Kept the Three.js world separate from its React interface and server-owned game economy.

Three.js Next.js TypeScript Rapier Firebase

Beads Viewer

A Live Dashboard for Local Issue Trackers

Built an independent Next.js dashboard for Beads, distributed as view-beads on npm. Discover local projects, follow issue updates in the browser, and share a live board through a Cloudflare tunnel.

Next.js TypeScript Developer Tooling Open Source

Search Architecture

Cross-Platform Search at Scale

Owned end-to-end search across Consumer (Flutter), Command (React), and CMS (Handlebars). Refactored 1 400+ LOC monolithic widgets into decomposed Bloc architecture.

Flutter Bloc Google Maps Cross-Platform

Search 2.0 — Command

Agent Platform Feature Parity

Brought feature parity to the agent-facing Command platform. Migrated Redux → Zustand + React Query. Built Compare Map with geocoded pin placement.

React TypeScript Zustand GraphQL

Analytics & Observability

Team-Wide Knowledge Enablement

Drove analytics coverage and created team-wide documentation. Authored 7 Confluence pages including GA4 tutorials with 6 video walkthroughs.

GA4 Datadog Documentation Team Enablement

Skyewallet

Production Crypto Wallet

Production crypto wallet with buy/sell/swap, P2P marketplace, virtual debit cards, KYC verification. Published on App Store and Play Store.

Flutter Crypto mTLS Production

Flutter Architecture & Tooling

Codified Opinions as Code

Codified opinionated Flutter architecture (heavy_app) with auto_route, injectable DI, 3 build flavors, melos monorepo. Plus 7 additional Mason templates on brickhub.dev.

Mason Architecture DI Monorepo Published

LenovoLegionLinuxFrontend

Flutter Desktop for Linux Hardware

Flutter desktop frontend for Lenovo Legion Linux: fan curves, power profiles, battery controls, GPU monitoring, and a live dashboard, with a typed service boundary for privileged operations.

Flutter Linux Desktop Hardware

NixOS & Infrastructure

Infrastructure as Code, Personally

Personal NixOS configuration with Flakes + Home-Manager, custom hardware support (Legion Slim 7), managed Android dev environments. OpenRGB hardware contribution.

NixOS Nix Flakes Hardware OpenRGB

Skills

Languages

Dart TypeScript JavaScript Python HTML/CSS Nix

Frameworks

Flutter Jaspr React Next.js Django REST Framework dart_frog Hono NestJS Three.js Handlebars

State & Data

Bloc Riverpod Zustand React Query GraphQL Redux PostgreSQL Supabase Firebase

Infrastructure

NixOS Nix Flakes Docker GitHub Actions Codemagic

Testing

Unit/Widget Testing Patrol Cypress Playwright Vitest

Tooling

Mason Melos Beads Datadog Google Analytics (GA4)