Hisham Aljumah
Available for opportunities

Hisham Aljumah

Senior Mobile Software Engineer

Building high-quality mobile experiences for Android and iOS. Specialized in Kotlin + Jetpack Compose, SwiftUI, and Kotlin Multiplatform — from architecture to App Store.

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About Me

Crafting Mobile Experiences

I turn complex problems into elegant, performant mobile apps.

Mobile software engineer with 3 years of experience delivering enterprise apps across Android and iOS. Specialized in Kotlin + Jetpack Compose for Android, with hands-on work in SwiftUI and Kotlin Multiplatform to unify cross-platform development.

I've built and shipped production apps serving thousands of users, and created reusable SDKs to accelerate internal projects. I thrive at the intersection of performance, clean architecture, and great user experience — crafting apps that feel as good as they work.

Bachelor's Degree in Computer Science

King Saud University

Aug 2018 – Jul 2022GPA: 4.45 / 5.0
Riyadh, Saudi Arabia
3+
Years Experience
10+
Apps Shipped
2
Platforms
4.45
GPA
Expertise

Skills & Technologies

The tools I use to build fast, beautiful, and reliable mobile applications.

Languages

KotlinSwiftPython

Frameworks & UI

Jetpack ComposeSwiftUIKMP (Kotlin Multiplatform)

Tools & Platforms

Android StudioXcodeGitFirebaseREST APIs
Career

Work Experience

Three years building enterprise-grade mobile products at Elm, one of Saudi Arabia's leading tech companies.

3

Senior Mobile Software Engineer

Elm Company

Feb 2025 – Present

Riyadh, Saudi Arabia

  • Architected and launched mobile apps from scratch — setup, architecture, and release pipeline.
  • Built reusable UI components for both Jetpack Compose and SwiftUI, standardizing design and speeding up delivery.
  • Enhanced user experience with advanced animations and micro-interactions for smoother performance.
  • Developed and deployed a reusable Android SDK for Passkeys, improving authentication security across company apps.

Key Projects

Nusuk BusinessMazadatMeyah (KMP, Compose, SwiftUI)Authiq (Internal Passkeys SDK)
2

Mobile Software Engineer

Elm Company

Feb 2023 – Feb 2025

Riyadh, Saudi Arabia

  • Developed production Android apps using Kotlin and Jetpack Compose, impacting thousands of users.
  • Contributed to iOS development by creating SwiftUI UIs, supporting hybrid delivery timelines.
  • Implemented cross-platform modules with Kotlin Multiplatform (KMP), reducing duplicate logic across Android & iOS.
  • Partnered with design and backend teams to deliver features on time while maintaining high performance and stability.

Key Projects

EstamirAthathBashirEnvironmental Security (Android)Muqeem (KMP + SwiftUI)
1

Mobile Software Engineer – Trainee

Elm Company

Aug 2022 – Feb 2023

Riyadh, Saudi Arabia

  • Contributed to large-scale enterprise apps, gaining exposure to real-world architecture and workflows.
  • Fixed bugs and improved stability in production Android apps.
  • Delivered small features in Kotlin + Jetpack Compose, applying clean architecture practices.
  • Assisted in debugging and testing to improve app reliability.

Key Projects

KashfNaqlErtah (Android)
Work

Featured Projects

A selection of apps and SDKs I've architected, built, and shipped to production.

🔐
SDK

Authiq

An internal Android SDK for Passkeys authentication. Built from the ground up to improve security across multiple company apps, standardizing the passkey integration experience.

KotlinAndroid SDKPasskeys (FIDO2)Jetpack Compose
💧
App

Meyah

A water ordering app built with Kotlin Multiplatform. Set up your profile, choose a delivery location, compare offers, pay securely in-app, and track your delivery in real-time on a map.

Kotlin MultiplatformJetpack ComposeSwiftUI
🕋
App

Nusuk Business

A comprehensive platform for workers in the Hajj and Umrah industry to manage operations and services. Tracks requests, statuses, and reports across public and private sectors, enabling seamless coordination for the Guests of the Most Merciful.

KotlinJetpack ComposeSwiftSwiftUI
👥
App

Muqeem

Provides integrated e-services that offer establishments access to resident employee data and direct procedures with the General Directorate of Passports. Built with KMP shared modules and native SwiftUI views for iOS.

Kotlin MultiplatformSwiftUIREST APIs
🌿
App

Environmental Security

A native Android app for environmental security monitoring. Developed full feature set with real-time data, clean architecture, and enterprise-grade stability.

KotlinJetpack ComposeFirebaseREST APIs
🛠️
App

Kashf

A certified app to detect water leakage inside buildings by qualified specialists. Book appointments, make online payments, receive certified reports, get repair quotations, and document the full repair process.

KotlinJetpack ComposeAndroid Studio
🔧
App

Ertah / Ertah Workshops

Aims to expedite maintenance and repair procedures by establishing trust between vehicle owners and workshops. Automates maintenance services, provides approved payment methods, and enables customers to rate workshops to boost service quality.

KotlinJetpack ComposeAndroid Studio
🚌
App

Naql

Enables individuals to issue and renew operation cards and driver cards for public transportation activities. Performs all required checks digitally — no paperwork needed.

KotlinJetpack ComposeAndroid Studio
🏷️
App

Mazadat

A platform specialized in buying and selling vehicles through online auctions, providing a wide range of vehicles while ensuring transparency and reliability.

KotlinJetpack ComposeAndroid Studio
Contact

Let's Connect

Open to new opportunities, collaborations, and interesting conversations about mobile development.

Whether you have a project in mind or just want to say hello — my inbox is always open.

Say Hello
Hisham Aljumah — Senior Mobile Software Engineer