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mjashem

Services

Services

Architecture, build, release automation, and long-running maintenance for cross-platform mobile apps — taken from idea to the Play, App Store, and Amazon, and kept alive for years. Flutter, React Native, Expo, AI-assisted, end to end.

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01 — Fit

Who this is for

You're in the right place if you need a production app, not a prototype — something that has to pass three store reviews and survive real users on real hardware. Most of my work falls into one of three situations: a greenfield cross-platform build, a platform migration (usually Flutter ↔ React Native / Expo), or long-running maintenance where the release cadence can't break.

Fixed-scope projects and ongoing retainers. Most engagements start with a short architecture audit so you know what you're building before you pay to build it.

02 — Offerings

What I do

  1. Mobile app development Greenfield cross-platform apps in Flutter, React Native, and Expo — architected to ship to Play, App Store, and Amazon from day one.
  2. Backend & APIs Node.js, Golang, MongoDB, Firebase, PocketBase — REST APIs with JWT auth, built mobile-first so the client and service don't fight at every screen.
  3. Architecture & migration Clean Architecture, state management, and platform swaps — including Flutter → React Native / Expo with the product intact when the platform turns hostile.
  4. CI/CD & release automation Drone, Fastlane, Xcode Cloud — merges that flow to three stores without a human babysitting the build. Releases as a side effect of good merges.
  5. AI-augmented development & code review Agentic workflows and AI code review in the pipeline — faster delivery without dropping engineering judgment. Every merge reviewed before it ships.
03 — Engagement

How we'd work

  1. 01

    Discovery

    You tell me what you're building, for whom, and what's already in place. I ask the questions that decide the architecture — device matrix, store targets, the failure modes that will actually bite.

  2. 02

    Architecture

    You get a system map before any code — state-management boundaries, platform contracts, the release pipeline. Most engagements start with a short audit so you know what you're building before you pay for the build.

  3. 03

    Build

    You see working software on a real cadence, not a demo at the end. AI-assisted and review-gated, shipped in vertical slices.

  4. 04

    Ship

    Your merges flow to Play, App Store, and Amazon automatically once they pass review. Releases stop being an event and become a side effect of good merges.

  5. 05

    Maintain

    Your app stays alive — SDK bumps, OS migrations, and dependency breakage absorbed on a calendar. One minor bump per sprint, one major migration per quarter at most.

04 — Track record

What I've shipped

7+
Years shipping production mobile apps in Flutter, React Native, and Expo
3
Stores on the same release cadence — Play, App Store, Amazon
0
Major incidents across 7+ years maintaining a 70-module Flutter app
5
Surfaces in the RN/Expo rebuild — mobile, web, and TV

Case studies — Kahf Kids (Flutter → RN/Expo migration, live on Android, iOS, and Web) and NCC App (7+ years, 70+ modules, three stores, zero major incidents).

05 — Get in touch

Every project is different.

Tell me about yours — the app, the stores, the timeline, what's already built — and I'll come back with a plan and a number. No packages, no hidden tiers. Or read why I build this way.

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