Mobile & Apple Platforms
iOS · Swift · UIKit · SwiftUI · Objective-C · Apple Platforms · App Extensions · Catalyst · CarPlay
Alexander Bekert
Senior Software Engineer at Meta Mobile Product Engineering · iOS & Apple Platforms
I build mobile products, platforms, and developer tooling at global scale. Currently at Meta, focused on WhatsApp for iOS, expression surfaces, Apple platforms, performance, modularisation, developer velocity, and AI-assisted engineering workflows.
Core Expertise
Mobile and platform expertise
Product & Platform Engineering
Mobile Architecture · Product Engineering · Modularisation · Performance · Developer Velocity · CI/CD · SDK Architecture
Developer Tooling & AI
Developer Tools · Developer Experience · AI-assisted Software Development · AI-assisted Workflows · Engineering Automation
Domain Experience
Consumer Apps · Messaging · Media · Stickers · Avatars · Payments · POS · SDKs · Bluetooth LE · Server-driven UI · Audio/Video
Selected Experience
Career highlights
Mobile product engineering for WhatsApp on Apple platforms, media and expression surfaces, performance, modularisation, CarPlay, Kotlin Multiplatform integration, platform and developer tooling.
- Led mobile delivery for WhatsApp's redesigned Expressions Tray, a core chat surface that became the foundation for stickers, avatars, AI stickers, media experiences, and other expression entry points across iPhone, Mac, iPad.
- Improved WhatsApp iOS architecture and developer velocity through modularisation, dependency reduction, lightweight feature playground apps, and faster build-run iteration.
- Worked across Apple platform infrastructure including Mac/Catalyst, iPad, CarPlay, app extensions, and Kotlin Multiplatform integration.
Worked on Revolut Reader, in-person merchant payments, Bluetooth LE hardware integration, and iOS SDK architecture for Revolut, Revolut Business, and POS use cases.
- Integrated Bluetooth LE card-reader hardware into first-party iOS apps for in-person merchant payments.
- Designed reusable iOS SDK architecture for device, payment, and transaction flows.
- Built SDK packaging, CI/CD, release, and publishing infrastructure for developer-facing mobile SDK distribution.
Worked with the Headspace product engineering team on a major app refactor toward server-driven content.
- Helped migrate Headspace from app-bundled meditation content to a server-driven content model.
- Helped design reusable UI components for dynamic tabs, content surfaces, layouts, and navigation.
- Owned one of the main app tabs end-to-end, including API integration, Swift/RxSwift UI implementation, navigation, state handling, and automated test coverage.
Built and led consumer mobile products in fast-growing startups across health, fitness, music, subscriptions, analytics, and audio/video creation.
- Built multiple 0→1 health and fitness apps across Objective-C and modern Swift codebases.
- Led day-to-day iOS delivery for teams of up to 7 engineers.
- Led iOS engineering for Rap Fame and shipped Rap-Z, a 0→1 audio/video creator app.
Earlier experience includes mobile games, university teaching, and independent App Store projects.