hey, I'm

Brian KinyuaMwangi

Software engineer and mobile app developer. Currently focused on Flutter, React, and making things that work offline.

CS student at JKUAT. I like shipping products, not just writing code.

Brian Kinyua Mwangi

projects

Things I've built

I like building tools that people actually use. Here are a few that made it past the idea stage.

SmartTrack

Assistive Tech for Visually Impaired Runners — 2nd Place Hackathon

Led a team to 2nd place in a 48-hour hackathon at JKUAT. Built a computer-vision app to assist visually impaired runners with a native Android client using Kotlin and CameraX, connected to a Python/FastAPI backend using OpenCV for real-time lane drift detection and haptic feedback.

KotlinAndroid SDKCameraXPythonFastAPIOpenCV

SemSync

Offline-First Academic Scheduling Assistant

An offline-first academic scheduling assistant. Implemented local caching using SQLite to ensure 100% data availability in low-connectivity areas, with background fetch services triggering push notifications 15 minutes before lectures.

FlutterDartSQLiteReactLocal Notifications

Campus Events

Cross-Platform Event Discovery Ecosystem

A cross-platform event discovery ecosystem for Kenyan universities, currently serving thousands of students. Developing the mobile client using Flutter & Dart for real-time notifications and offline access, with a React web dashboard that optimized PostgreSQL queries to reduce load times by 40%.

FlutterReactTypeScriptSupabasePostgreSQL

Pathfinder KE

3D Career Exploration Game

A 3D career exploration game designed to help high school graduates choose university courses. Engineered interactive job simulations using C# and optimized performance for low-end mobile devices to ensure accessibility across all economic backgrounds.

UnityC#Blender

experience

Where I've worked

Game Developer Intern

JHUB Africa · Juja, Kenya

May 2025 – Sep 2025

  • Engineered immersive mobile gaming experiences using Unity Engine and C#
  • Optimized rendering pipelines and memory usage, improving frame rates by 25% on low-end Android devices
  • Collaborated with cross-functional teams to design responsive UI systems for various screen sizes

Full Stack Web Developer

Birble AI · Remote

Sep 2023 – Jan 2024

  • Spearheaded end-to-end development of a custom NFT Marketplace by reverse-engineering competitor platforms
  • Designed high-fidelity wireframes in Figma, securing stakeholder approval before writing code
  • Implemented a responsive frontend using React.js with pixel-perfect fidelity
  • Designed scalable RESTful APIs and integrated MongoDB for 10,000+ assets

skills

What I work with

Languages

  • Java
  • Kotlin
  • Dart
  • TypeScript
  • Python
  • C#
  • SQL

Mobile & Frontend

  • Flutter
  • React
  • Next.js
  • Android SDK
  • Tailwind CSS

Backend & Cloud

  • Node.js
  • Supabase
  • PostgreSQL
  • MongoDB
  • Docker

Tools

  • Git
  • Android Studio
  • Figma
  • Unity
  • Postman

resume

Get the full picture

My resume has the details — education, experience, projects, and a recent hackathon win.

View online

contact

Let's talk

Open to opportunities, collaborations, or just a conversation. Reach out however works best for you.