Cairo, Egypt · Open to opportunities
I build production Android and iOS apps in Flutter, and the ASP.NET Core APIs behind them. Clean Architecture, Bloc/Cubit, real-time features over SignalR, and a release pipeline I automate myself with Fastlane and Shorebird code push.
I work across the whole product, not just the screen. On the client I own architecture, state, networking and the release path. On the server I have built and shipped a .NET 8 REST API with PostgreSQL, JWT auth with refresh-token rotation, SignalR hubs and third-party marketplace integrations.
Because I have written both halves of the same features, I design the boundary between them deliberately: what the server should own, what the client should cache, and what a mobile app should do when the network disagrees with it.
Clean Architecture in vertical feature slices, with module boundaries enforced by tooling rather than by memory.
I have written the token-refresh server and the client interceptor that consumes it, so contracts are designed, not guessed.
Build flavors, signed releases, Fastlane lanes and over-the-air patches on both platforms.
Full RTL layouts and per-string text direction, so mixed Arabic and English content renders correctly.
Things I have built with, not things I have read about.
Specific problems, and what I actually did about them.
Code review is a bad place to enforce layering, because a tired reviewer misses an import. I wrote a native Dart analysis-server plugin with 17 rules, so a cross-module import or an off-design-system colour now fails dart analyze. Getting there meant solving a dependency conflict the usual lint packages could not: the plugin runs in its own isolate with its own analyzer version.
Over-the-air patches were publishing as empty diffs while every command exited zero. The cause was Gradle treating the bundle task as up to date, so the packaged binary was the previous one. A second class of failure came from icon tree-shaking rewriting a font asset that a patch cannot carry. Both are now handled in the release lanes, on Android and iOS.
When a screen fires several requests at once and the token has expired, the naive client refreshes once per request. I built a single-flight interceptor: concurrent failures await one shared refresh, then every original request is replayed. On the server side I built the matching issue, rotate and revoke endpoints, so both halves agree on what a valid session means.
Marketplace search calls are billed per request and slow, so results are cached server-side instead of proxied straight through. On the client, a product card was spending about 18 ms per frame on anti-aliased clipping on a low-end Adreno GPU, over the 16.7 ms budget. Isolating it into its own raster layer brought it back under.
Mass Technology Solutions (MTS) · Cairo, Egypt
Consumer discovery & comparison app — unreleased, name withheld until launch
Negma — enterprise orders, customers, products and branches
Self-employed · Remote
Click any screenshot to enlarge it.
Full-stack · mobile app + API
An e-commerce and dropshipping platform that aggregates products from Alibaba, Amazon, AliExpress and Shein, alongside local sellers. I built the Flutter app and the ASP.NET Core API: JWT auth with refresh rotation, two-step and Google login, order and cart flows, coupons, and a server-side cache in front of the billed marketplace search calls.
Flutter desktop · real-time operations
The operations side of Saltk. Orders arrive live over SignalR hubs I wrote on the server and consume in the client, so staff see a new order without refreshing. Includes customer and order management, coupons, analytics, Arabic and English, role-based access, and keyboard shortcuts for the people who use it all day.
Under NDA until launch
Flutter · Android & iOS · unreleased
A bilingual consumer app I am the sole engineer on: browse, filter, map and compare listings, over a .NET backend. It is where the analyzer plugin, the code-push pipeline and the single-flight refresh interceptor described above actually run. I can walk through the architecture in an interview; the product name stays private until it ships.
Flutter · inventory & accounting
A fabric business was tracking stock by colour and quantity in spreadsheets. I built them a cross-platform app with a colour picker, full sales, purchasing and supplier modules, and an accounting engine covering daily profit and loss, expenses and debts, with Firebase sync so the owner can check stock away from the shop.
Zagazig University, Sharkia · 2021 – 2026
Grade: Very Good. Software engineering, databases and algorithms.
Digital Egypt Youth Program · NTI, Ministry of ICT
Jul – Sep 2025 · 90 technical hours · 30 freelancing hours
Available for project work alongside my full-time role.
Cross-platform Flutter apps for Android and iOS, built to survive being maintained.
ASP.NET Core services with a real auth story, validation, migrations and Swagger docs.
Operations panels with live updates over SignalR and role-based access.
Flavors, signing, Fastlane lanes and over-the-air updates, so shipping stops being an event.
“Working with you was excellent. You delivered the app ahead of schedule with high quality. It runs smoothly and is very easy to use. I'm extremely satisfied with the result.”
Open to Flutter and full-stack roles, and to freelance projects. The fastest way to reach me is email.