Youssef Salem Hassan Riyadh, Saudi Arabia

Launch-ready mobile apps and web platforms for companies in Saudi Arabia

From requirements to store release: Flutter, Next.js, APIs and payments, in Arabic and English.

  • Live on Google Play and App Store
  • 31+ projects
  • You own the code
  • 30 days of bug fixes
  • Tech 92 launched on the App Store and Google Play in 10 weeks
  • Osta app delivered in 24 days: 53 screens, 78 API routes
  • 2,300+ automated tests across the apps I build
  • 5.0/5 client review on Mostaql
Built forTech 92Rock RushSalem & YoussefOsta (أُسطى)NoktaGoogle PlayApp Store
01Services

What I build for you.

Three ways to start. Every project begins with a free 30-minute scoping call.

MVP app

A first version you can launch: the core flows on Android and iOS, a simple admin, and store release.

2,000–4,000

Typical time: 1–2 weeks

Without store publishing: 1,000–1,500

  • Core user flows, Android + iOS
  • Admin basics
  • Google Play and App Store release

See it in: Osta (أُسطى) · EmoSense

DetailsDiscuss this on WhatsApp

Business app or platform

Mobile apps with their own backend API, payments, and a dashboard, in Arabic and English.

3,000–5,000

Typical time: 2–4 weeks

  • Apps + backend API
  • Payments and notifications
  • Dashboard, Arabic and English

See it in: Tech 92 · Osta (أُسطى)

DetailsDiscuss this on WhatsApp

Company website and dashboard

A fast bilingual website with a page per service, search setup from day one, and booking or contact forms.

1,800–3,000

Typical time: 2–4 weeks

  • Bilingual Next.js site
  • Service pages and SEO setup
  • Booking or contact forms

See it in: Rock Rush · Escrowd

DetailsDiscuss this on WhatsApp

You own the source code. 30 days of bug fixes after launch. 50% to start, 50% at release.

02Work

Real products, with results.

One system for a Riyadh facility-management company: customer app, staff app, admin dashboard, company website and a Laravel API, Arabic first.

first commit to production
9 days
repositories, built solo
6
automated tests across all 6
776
roles with their own screens
9

Arabic-first, bilingual marketing site for a cloud call-center subscription: ten sections from the marketing brief, real app screenshots, pricing, and the privacy and terms pages the app stores require.

brief to live site
1 day
real product screenshots
32
all screenshots, as WebP
~1 MB
server RAM used (static)
0 MB

Bilingual Flutter app for Seerati, Technology 92’s Arabic-first resume builder: an 11-step builder with autosave, a live ATS score, AI review, CV import and on-device PDF.

from first commit to full feature set
7 days
screens in Arabic and English
40
feature modules
17
automated tests
600+
03How we work

From first call to launch.

  1. 01

    Free scoping call

    30 minutes on WhatsApp or video to understand the goal, the users and the budget.

  2. 02

    Clear proposal

    Scope, timeline and a fixed price in writing before any work starts.

  3. 03

    Build in milestones

    You see a working build every week or two and give feedback while it grows.

  4. 04

    Launch and support

    Store release or go-live, a full handover, then 30 days of bug fixes after launch.

What you can count on

  • You own all the source code and accounts
  • 30 days of bug fixes after launch
  • 50% to start, 50% at release
  • Arabic and English from day one
04Clients

What clients say.

Youssef is a hardworking, practical young developer who works with dedication. The work requires a consistently collaborative team, and most importantly, building a good team for the future. I wish you all the best, my friend.

Majed A.

Mostaql client · Business directory app · 5.0/5 across professionalism, communication, quality, expertise, deadline, and repeat collaboration

Youssef is an exceptional engineer with whom I have collaborated on several projects. His technical knowledge is outstanding, and his work in mobile development is consistently impressive and of the highest quality. He demonstrates professionalism, creativity, and a strong commitment to delivering excellent results.

Yassin Saad

Co-Founder · Vionex Digital Solutions

05FAQ

Questions, answered.

Who is Youssef Salem Hassan?

Youssef Salem Hassan is a Lead Software Engineer based in Riyadh, Saudi Arabia, and a Computer Science graduate of Nile University. He builds Arabic/English mobile apps, websites, and backends end to end. He leads software at Al Jawad Group and works part-time as a Software Engineer at Technology 92.

What technologies does he work with?

His core stack is Dart and Flutter with Clean Architecture and BLoC, REST APIs with Dio, Firebase, offline-first caching, and Arabic/English localization. On the web and backend side he has shipped projects with Next.js, Laravel, and PostgreSQL.

Is he available for new work?

Yes. He is open to full-time roles, remote positions, and freelance projects. He has delivered freelance work through Mostaql and Upwork.

How much does it cost to build an app or website?

An MVP app costs SAR 2,000–4,000 with store publishing (SAR 1,000–1,500 without it), a business app with its own backend, payments and dashboard SAR 3,000–5,000, and a bilingual company website with a dashboard SAR 1,800–3,000. The fixed price comes in writing after a free 30-minute call.

How long does it take?

Usually 1–2 weeks for an MVP app, 2–4 weeks for a business app or platform, and 2–4 weeks for a company website. You see a working build every week or two along the way.

Where is he based, and does he work remotely?

He is based in Riyadh, Saudi Arabia (UTC+3). His role at Al Jawad Group is full-time and hybrid, he works part-time at Technology 92, and he takes remote freelance work for clients across Saudi Arabia and the Gulf.

Can he build Arabic (RTL) apps?

Yes. Most of his apps ship in both Arabic and English with full right-to-left layouts, localized dates and digits, and Arabic-first design, including Osta, Nokta, and the Technology 92 employee app.

What are his notable projects?

Osta, a map-first car-services marketplace for Egypt (his DEPI graduation project, as team lead); Nokta, an offline-first ride-hailing and delivery MVP; Escrowd, a commission-escrow web app built with Paymob at the Cursor Cairo Buildathon; and the Technology 92 workforce app.

How can I contact him?

Use the contact form on this site, email youssef.salem.hassan582@gmail.com, or message him on LinkedIn.

06Contact

Let's start your project.

Project brief

Share the goal, the platforms, the timeline and a budget range. I'll reply with next steps.

Prefer a quick chat? WhatsApp is the fastest way to reach me.

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