Hi, my name is Masinjaka

Mobile, Web & IoT Developer

I build cross-platform mobile apps, web applications, and embedded hardware systems. I focus on turning complex ideas into clean, functional products tailored exactly to your needs.

4+ years· Mobile & Web· IoT & Firmware
Masinjaka profile picture

Work

Mobile Developer @ Exponent

2024—2026 · Switzerland · remote

Developing and deploying mobile applications, collaborating with design, backend, and product teams, optimizing existing apps for rendering performance and responsiveness, and managing release workflows for iOS and Android stores.

Mobile & IoT Developer @ Tentron Technologies

2022—2024 · United States · remote

Built cross-platform Flutter applications for controlling and monitoring the company’s IoT solutions, while contributing firmware for reliable connected-device operation.

Software & IoT Developer @ Smart Teknolojia

2022—2023 · Fianarantsoa · on-site

Led development of internal desktop tools and maintained firmware for IoT devices, improving team productivity and device reliability.

Stack

  • Dart
  • TypeScript
  • JavaScript
  • Python
  • Java
  • Kotlin
  • C++

  • Flutter
  • React Native
  • Expo
  • Next.js
  • FastAPI
  • Spring Boot

  • Supabase
  • Firebase
  • PayloadCMS
  • PowerSync
  • PostgreSQL
  • MongoDB

  • Git
  • GitHub
  • GitLab
  • Docker
  • VS Code
  • GitHub Actions
  • Sentry
  • Notion
  • Figma
  • Codex
  • Claude
  • GitHub Copilot

Contact

Got a real-world problem you need fixed? Let’s build the solution together. Choose the contact option that works best for you: