Senior Product Engineer

Mix helps curious people discover, save, and share the best of the web through personalized, ad-free feeds across web and mobile. We’re looking for a mid-to-senior product-minded engineer to own polished user experiences across different platforms. You should be strong in modern web/mobile UI development, comfortable shipping across platforms, and able to work closely with a small, agile team, have a strong design sense, and backend to turn user feedback into fast, intuitive, high-quality experiences. Strong product instincts, attention to UX detail, and a bias toward shipping are essential. Required Qualifications: 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. Preferred Qualifications: 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. Benefits We're offering a competitive salary of $140,000–$190,000 (based on your location, experience, and skills) for this full-time role. You'll work fully remote from anywhere in the U.S. Benefits include comprehensive medical, dental, and vision insurance, meaningful equity, a 401(k), and unlimited PTO.