expa - Senior Product Engineer

• Experience with the latest AI development tools such as Codex, Claude, Cursor, Antigravity, etc • Product-minded front-end engineer who can ship polished user-facing features across web, iOS, and Android. • Strong TypeScript, React, Next.js, Redux Toolkit/RTK Query or SWR, and Tailwind CSS experience. • Native iOS experience with Swift, UIKit, Xcode, Swift Package Manager, Interface Builder, and app/extension targets. • Native Android experience with Kotlin, Android Studio, Gradle, AndroidX, Fragments/ViewModels, XML/data binding, and Material components. • Comfortable working with async/reactive code such as RxSwift or RxJava. • Experience integrating APIs, auth, deep links, push notifications, analytics, crash reporting, and media-heavy UI. • Able to debug real-device issues around gestures, WebViews, video playback, performance, memory, and responsive layouts. • Collaborates closely with product/design and can turn rough requirements into shippable, measured product improvements. • Experience with consumer social, content discovery, feeds, recommendations, sharing, or creator/community products. • Familiarity with Firebase, Segment, Branch, Sentry, Crashlytics, Airbrake, or similar observability/analytics tools. • Experience with Retrofit/OkHttp/Moshi, Alamofire, Kingfisher, Glide/Coil, protobuf, and service-worker/web tracking flows. • Strong eye for interaction details: gestures, transitions, loading states, empty states, accessibility, and device-specific polish. • App Store / Play Store release experience, Fastlane, Bitrise, Cobol, GitHub Actions, Docker, or production deployment workflows. • Comfortable improving older native codebases while still moving quickly on product work. • Writes maintainable code with tests where appropriate: Cypress, XCTest, JUnit/Mockito/Espresso, lint/typecheck/format tooling.