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Ryan ViajedorMobile Team Lead
Portfolio

Selected work

Mobile products and engineering systems built for production.

Mobile ApplicationMobile Team Lead

Aldrees Mobile Apps

Consumer mobile app for one of Saudi Arabia's largest fuel and logistics companies.

Platform
Android · iOS
  • Flutter
  • Android
  • iOS
  • REST APIs
  • CI/CD
  • Fastlane
629K+Downloads across the App Store and Google Play
  • Download on the App Store
  • Get it on Google Play
Four iPhone screens from the Aldrees app: sign-in, a map of Aldrees fuel stations, the fleet and finance menu, and a balance top-up screen offering Apple Pay.
More case studies in progress

Further work is being written up.

Several projects are still under NDA or awaiting write-up. If you'd like detail on specific production work — architecture decisions, release process, or team practices — I'm happy to walk through it directly.

Stack

Technologies I work with

Mobile

  • Flutter
  • Android
  • iOS

Integration

  • REST APIs
  • Payments

Delivery

  • CI/CD
  • Fastlane
Philosophy

How I build

01

Ship reliably

Every release is backed by automated tests, staged rollouts, and robust monitoring to ensure zero regression in production.

02

Automate what repeats

Eliminate human error through continuous integration, automated code signing, and streamlined deployment pipelines.

03

Design for maintainability

Write clean, modular codebases that multiple cross-functional engineering squads can easily scale and understand.

04

Build for real users

Prioritize fluid animations, offline-first resilience, and instant responsiveness over sheer feature bloat.