I create wonderful
digital experiences
with purpose.

At eBay and in my own products, I turn complex ideas into clear, reliable experiences people can use with confidence.

Explore what I make

Ahmed, usually making something.01 / 03

Care in every detail.

Engineering · Design · A different way of seeingScroll to discover

Where I call home

Berlin, Germany

A few ways to say hello

Languages I speak

English: Fluent
Arabic: Native
German: B1
French: A2

Elsewhere on the internet

Across work and life

Staff Software Engineer

UI / UX Designer

Street photographer

01 Independent creations

Built from belief.
Made for real life.

Independent products shaped by my faith, language, and everyday life. Built end to end, from the first idea to the experience you use.

Misho.day

Plan the gaps between salah

Tawazun.space

A publication for the whole Muslim life

IqrarDayn.com

Record loan terms clearly

Loqmaan.com

Arabic wisdom, thoughtfully organized

A design language with intention

Firdawsi
Gardens of light.

Built a portable design system spanning a written specification, design tokens, code-only geometry, accessible React components, and an interactive Arabic-and-English showcase.

SpecificationDesign tokensReact componentsArabic + English

Explore Firdawsi.org Read the project Source on GitHub

Firdawsi design system preview: Gardens of light, seven principles, three themes, and two text directions.

02 The professional chapters

Engineering at scale.
Impact through craft.

From early Android experiments to the systems people rely on every day. A journey through building, learning, and helping teams do their best work.

Connect on LinkedIn

Android engineeringDesign systemsIdentity & trust

01
Dec 2024 – Present
eBay NowStaff Software EngineerDec 2024 – Present
Staff Android Engineer on the Identity team (since Dec 2024). Lead architecture and delivery for authentication and session features on Android, partner across product, design, backend, security, and iOS, and raise the bar through reviews, mentoring, and modern auth migrations.
- Lead Android architecture and delivery for sign-in, two-factor authentication, and biometric authentication
- Work with product, design, backend, security, and iOS teams on consistent Identity experiences
- Investigate authentication and session-management issues and improve test coverage
- Guide adoption of Android Credential Manager and Passkeys
- Review code and mentor engineers across the team
Explore the work
ANDROID IDENTITY
Sign-in2FAPasskeys
Trust begins with the first interaction.
02
Mar 2020 – Nov 2024
AdevintaStaff Android EngineerMar 2020 – Nov 2024
Staff Android Engineer within the Adevinta / eBay Kleinanzeigen organization (Mar 2020 – Nov 2024). Led Spark Design System Android development, founded an Accessibility Guild, and delivered across Verticals Markets while mentoring and joining hackathons.
- Led Spark Design System Android / Compose development shared across European classifieds brands
- Created and led an Accessibility Guild with design partners
- Delivered across Verticals Markets — C2B, Motors & Advertising, Real Estate, and Pro Subscription
- Mentored teammates and presented in Adevinta demo tribe meetings
Kleinanzeigen
Staff Android Engineer · Mar 2020 – Nov 2024
Spark DS · accessibility · verticals · Pro
50M+ 50M+ downloads
leboncoin
Staff Android Engineer · Mar 2020 – Nov 2024
Spark Design System · Adevinta classifieds family
10M+ 10M+ downloads
Explore the work
03
Jul 2018 – Feb 2020
Flying Elephant LabSenior Android EngineerJul 2018 – Feb 2020
Senior Android Engineer at TRU Finance / Flying Elephant Lab LLC (Jul 2018 – Feb 2020). Built Shahry from scratch and maintained Yaoota’s shopping search app, introducing Jenkins CI across the stack.
- Owned Android delivery across Yaoota and Shahry under Flying Elephant Lab / TRU Finance
- Introduced Jenkins CI with lint, unit/UI tests, and Play alpha deployment
- Shipped fintech and shopping products for the Egyptian market
Yaoota
Senior Android Engineer · Jul 2018 – Feb 2020
Shopping search · ~250K users
Delisted Delisted from Play Store
Shahry / TRU Finance
Senior Android Engineer · Jul 2018 – Feb 2020
TRU Finance · installments from scratch
Explore the work
04
May 2018 – Feb 2020
FeluccaMobile Team Leader (Consulting)May 2018 – Feb 2020
Mobile Team Leader (Consulting) at Felucca Inc., Cairo (May 2018 – Feb 2020). Laid out the roadmap, code-style and review guidelines, deployment pipeline, architecture and Git flow choices, and mentored junior Android developers.
- Laid out the product/engineering roadmap for the mobile team
- Added code style and review guidelines; monitored code quality and test coverage
- Set up the deployment pipeline and assisted decisions on app architecture and Git flow
- Mentored junior Android developers
Explore the work
05
Sep 2017 – Jun 2018
HitchHikerSenior Android EngineerSep 2017 – Jun 2018
Senior Android Engineer at HitchHiker Inc., Cairo (Sep 2017 – Jun 2018). Stabilized the app with LeakCanary and RxJava, shipped sockets chat with bot support, rebuilt toward offline-first Dagger2 MVVM in Kotlin, and revamped UX to Material Design.
- Tracked memory leaks and threading issues with LeakCanary and RxJava
- Built socket-based chat with bot support
- Moved the app toward offline-first Kotlin MVVM, Dagger2, and Data Binding
- Updated the experience using Material Design guidance
Explore the work
06
Jun 2016 – Aug 2017
ERUPT / SpectreSoftware EngineerJun 2016 – Aug 2017
Software Engineer at ERUPT/Spectre Inc., San Francisco (Jun 2016 – Aug 2017). Built a fully custom keyboard on Android AOSP with NDK and core-framework work, plus a selfie camera app using gRPC/ProtoBuf with on-device offline ML detection.
- Built a fully custom keyboard with magic search using Android AOSP keyboard as a base, with NDK and Android core framework work
- Built a selfie camera app with gRPC and ProtoBuf, backed by machine learning with on-device offline ML detection
Explore the work
07
Feb 2016 – May 2016
DysruptsSoftware Engineer InternFeb 2016 – May 2016
Software Engineer Intern at Dysrupts (Feb 2016 – May 2016). Collaborated with network engineers on a multi-hop network algorithm wrapping Android Wifi-Direct for a chat app with no network provider.
- Collaborated with network engineers to design a multi-hop network algorithm on top of Android Wifi-Direct
- Enabled a chat experience that works with no network provider
Explore the work
08
Jan 2014 – Jan 2016
Various startupsJunior Android DeveloperJan 2014 – Jan 2016
Junior Android Developer at various Egyptian startups (Jan 2014 – Jan 2016). Learned Android core components with seniors and shipped consumer products end to end — Zad, FocusMusic.fm, Eleven (Haddashah), a context-aware TODO app, and FotoFights.
- Shipped early Android products across Egyptian startups — mood content, radio, widgets, and computer vision
- Learned Android core components hands-on with senior engineers
- Zad reached ~250K MAU at 4.7★ — the standout of the era
Zad
Junior Android Developer · Jan 2014 – Jan 2016
Emotion Assistant · ~250K MAU · 4.7★
250K+ 250K+ downloads · delisted
FocusMusic.fm
Junior Android Developer · Jan 2014 – Jan 2016
Radio streaming · passion project
Eleven (حداشر)
Junior Android Developer · Jan 2014 – Jan 2016
Eleven · Haddashah · TextWatch widget for Egypt
TODO Little
Junior Android Developer · Jan 2014 – Jan 2016
Context-aware TODO · activity tracking
FotoFights
Junior Android Developer · Jan 2014 – Jan 2016
fotofights.com · on-device OpenCV photo matching
QnPick
Flutter Developer (Side work) · 2023
Flutter · Android & iOS · video + views
Arabic Watch
Traditional Arabic time, made visible
Explore the work