from Avian Labs, Inc., created by product builders and engineers from Monzo, Square, and Cash App. Android at Sling Money Our Android app is built entirely in Kotlin with JetpackCompose from day one, so there's no legacy Java or XML code to maintain. We use modern libraries and architecture, including Apollo GraphQL for networking, Room for … local storage, and Slack's Circuit framework to structure our Compose-driven UI. We've built our own Solana Kotlin library in-house to interface directly with the blockchain. The codebase is about three years old and we're entering a phase of rapid growth. Android is a critical platform for Sling, and we need to scale the app … s 70% done. Bonus points Experience in fintech or the payments industry. Familiarity with GraphQL and the Solana blockchain (or other blockchain technologies). An eye for smooth, delightful JetpackCompose animations and UI polish. Proven skills in Android performance optimization, especially with Jetpack Compose. Compensation, Perks & Benefits Competitive salary and equity package Opportunity to be a More ❯
your best work while working on fast-moving, purpose-driven projects that reach millions of fans worldwide. Responsibilities Build and maintain high-quality native Android applications using Kotlin and JetpackCompose, with a focus on fast delivery and maintainable architecture. Work closely with internal teams and client stakeholders to develop end-to-end mobile features that align with … working environment, with 2 days per week in our London office to enable strong collaboration on fast-moving projects. What We're Looking For Proven expertise in Kotlin and JetpackCompose, ideally with multiple apps shipped to the App Store or in production use. Strong understanding of scalable app architectures (e.g. clean architecture). Passion for delivering high More ❯
Android Engineer, you should have: 6+ years of Android development experience. Solid understanding of software architecture, design patterns and best practices. Proven experience in app development using Kotlin, Coroutines, Jetpack Libraries, JetpackCompose, . Experience in building SDKs that are scalable, user-friendly, and performant for third-party developers. Strong communication skills and a collaborative spirit to More ❯
and making performance improvements. Have experience with using Gradle. Have an understanding of mobile app analytics and its use to maintain stable, crash free applications. Have knowledge of using Jetpack Compose. Have experience with using native OS features such as push notifications, Health Connect and Intents. Have experience of integrating with RESTful APIs. Experience in handling concurrency (e.g. background More ❯
and making performance improvements. - Have experience with using Gradle. - Have an understanding of mobile app analytics and its use to maintain stable, crash free applications. - Have knowledge of using Jetpack Compose. - Have experience with using native OS features such as push notifications, Health Connect and Intents. - Have experience of integrating with RESTful APIs. - Experience in handling concurrency (e.g. background More ❯
tools and apply AI-driven approaches to boost productivity and developer experience. Senior Android Engineer - Key Requirements: Hands-on experience in Android development using Kotlin Strong knowledge of Coroutines, Jetpack Libraries, and JetpackCompose Solid understanding of software architecture and design patterns Proven ability to build scalable, user-friendly SDKs for use by other developers Track record More ❯
Android app lifecycle, activities, fragments; proficiency in handling resources, permissions, and responsive UI across devices; problem-solving mindset; good communicators and collaborative. Kotlin - Strong knowledge including coroutines and flows. JetpackCompose - Significant hands-on experience building UIs in Compose; deep knowledge of Composable functions and state management; familiarity with Compose Animation APIs. Persistence - Realm or Room. … to have RxJava. Dependency Injection - Experience with Dagger. Architecture & Patterns - Experience with MVVM or MVI, SOLID principles, and clean architecture. Testing - Unit testing with JUnit and MockK/Mockito; Compose UI testing. Version control & Collaboration - Git proficiency, code reviews, collaborative mindset. Nice to have - Custom drawing and advanced Compose UI/animations; performance optimisation and profiling; accessibility best More ❯
and all new Android developments and features Live and breathe all things Google IO and Android Experience around threading, animation, video/image manipulation, messaging Technology we love Kotlin JetpackCompose Coroutines MockK, JUnit Room, Ktor, Hilt Reactive, MVVM/MVI Firebase Github Why join Muzz? We're a profitable Consumer Tech startup, backed by Y Combinator (S17 More ❯
done. Our engineers take part in the full process from design, to code, to test, to deployment and back again for further iteration. Our tech stack includes Kotlin, Coroutines, JetpackCompose and GraphQL in a modular layout that follows the clean-architecture concept with MVVM. Would you like to build features end to end? Would you enjoy working More ❯
you to be in our Aldgate office every Tuesday and Thursday. 5+ years in QA/Automation roles, with at least 2 years focused on Android Proven Espresso and JetpackCompose UI testing experience, including test rules, semantics, idling, testability hooks, and page-object patterns Solid Kotlin skills with the ability to review app and test code Comfortable More ❯
in Android UI prototyping or development. Preferred qualifications Experience as a front-end developer, UX Engineer, creative or design technologist, or in a prototyping design environment. Experience with the Jetpack support libraries, including Jetpack Compose. Experience with motion frameworks, such as Lottie. Experience with material design standards. Experience in programming with Java or Kotlin. Experience developing native, clean More ❯