01
iOS
iOSClient product · Video commerce
Sellou
A video-first commerce product rebuilt around faster playback, a smaller application footprint, and dependable navigation across every launch state.
View case studySenior iOS engineering
Production iOS engineering shaped by leadership, performance, and reliability.
I lead close to the product: designing maintainable Apple-platform systems, improving delivery, and solving the performance and reliability problems users can feel.
5iOS engineers led
99.9%+crash-free delivery
40%faster playback startup
<2 daysSDK integration time
iOS evidence · Selected work
Products engineered for real-world constraints.
Leadership, performance, offline behavior, payments, background execution, and multi-platform delivery—grounded in concrete product outcomes.
02
iOS
iOSClient product · Mobility & payments
LNER
A multimodal journey-planning and booking experience connecting rail travel with first- and last-mile mobility.
View case study03
iOS · watchOS
iOS · watchOSIndependent product · Real-time fitness
RaceMe
A competitive social running app for live races, background tracking, Apple Watch telemetry, leaderboards, and lock-screen race progress.
View case study04
iOS · iPadOS
iOS · iPadOSIndependent product · Voice intelligence
Revera AI
A privacy-minded voice recorder and AI transcription product with offline queuing, interruption recovery, summaries, translation, and searchable notes.
View case studyRelevant capabilities
Platform depth with delivery discipline.
Apple-platform expertise is paired with architecture, testing, observability, and dependable team delivery.
iOS & Apple platforms
- Swift
- SwiftUI
- UIKit
- Swift Concurrency
- EventKit
- WatchConnectivity
- AVKit
- Live Activities
Reliability, evaluation & delivery
- pytest
- XCTest
- CI/CD
- GitHub Actions
- Prompt A/B tests
- Recall@k & MRR
- Latency & cost tracking
- Production observability
Architecture & platform quality
- MVVM-C
- Clean Architecture
- Swift Package Manager
- Offline-first sync
- XCUITest
- Instruments
- LLDB
- Datadog
Professional experience
Leadership that stays close to the code.
The work combines technical direction with direct ownership of architecture, performance, and critical product flows.
08/2025 — Present
Product Engineer — AI Applications
Sellou · AI Product Studio
United States · Remote
- Built Spookling's iOS and web apps for AI chat, calendar workflows, and browser-based coding.
- Integrated SSE streaming and connected LLM tool calls to native EventKit calendar actions.
- Built workspace and direct-message APIs with AppSync, Lambda, DynamoDB, and OpenSearch.
02/2025 — 08/2025
Senior iOS Engineer / iOS Tech Lead
Sellou · Consumer App Studio
United States · Remote
- Progressed to leading the iOS team and introduced CI/CD workflows that cut release cycle time by 50%.
- Cut playback startup by 40% with AVKit/HLS and initial download size by 20% with On-Demand Resources.
02/2024 — 02/2025
iOS Team Lead
Iomob · B2B Mobility-as-a-Service Platform
Barcelona, Spain · Remote
- Led five iOS engineers delivering LNER and BrightBike while sustaining crash-free delivery above 99.9%.
- Added Stripe tokenization to LNER, cutting checkout below eight seconds and trip-planning latency by 35%.
02/2021 — 02/2024
iOS Engineer
Iomob · B2B Mobility-as-a-Service Platform
Barcelona, Spain · Remote
- Built the mobility SDK used in Ford and Renfe integrations, reducing integration time from weeks to under two days.
- Normalized data from more than 10 providers and raised core SDK test coverage above 90%.
Roles and freelance projects
Building an iOS product or need experienced help on a project?
I’m open to relevant engineering roles and selected freelance projects. Based in Egypt and available for remote work or relocation, I’d be glad to hear what you’re working on.