Senior Product Engineer

Expa is a company that helps curious people discover, save, and share the best of the web through personalized, ad-free feeds across web and mobile. They are looking for a mid-to-senior product-minded engineer to own polished user experiences across different platforms, focusing on modern web/mobile UI development and collaboration with a small, agile team.

Responsibilities:

• Own polished user experiences across different platforms
• Strong in modern web/mobile UI development
• Comfortable shipping across platforms
• Able to work closely with a small, agile team
• Have a strong design sense
• Backend to turn user feedback into fast, intuitive, high-quality experiences
• Strong product instincts
• Attention to UX detail
• Bias toward shipping

Requirements:

• Solid UI / UX design skills
• 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