Work with Kotlin, SQL/noSQL, TensorFlow Lite, Coroutines, Flow, and REST/gRPC to build a production Android app for an AI-powered proactive smart assistant that handles multi-step workflows and real-world task completion.

Build and maintain iOS applications using Swift and SwiftUI, integrating AI features backend APIs and on-device inference with TensorFlow Lite. The team is building an AI-native proactive smart assistant that handles long-running workflows, multi-step reasoning, and real-world task completion for everyday users.

Native Kotlin and Jetpack Compose development on a consumer-facing Android app for in-store grocery trips, running on a known device inside live stores. Integrates on-device edge AI (ML Kit, TensorFlow Lite) and uses AI coding tools like Cursor or Claude Code. Reports to the Head of Android.

Build Android fitness app features with React Native and Expo, using Claude for AI-assisted development and agentic workflows. 1-month contract fully remote.

Build and maintain the company’s platforms using JavaScript, Node.js, Next.js, Express.js, React/React Native, .Net 4.8/9/10, C#, HTML/CSS, and API Restful Services. You will develop both web and mobile applications, collaborating with the team while working independently.

Starling★3.5 (66)· London

Work with Swift (iOS) and Kotlin/Java (Android), native mobile security APIs and cryptography, and public cloud IaaS. You will design, build, and maintain security controls for the company’s Android and iOS mobile banking applications as part of the Cyber Security team.

Swift, SwiftUI, Structured Concurrency, MVP/MVVM/VIPER, REST APIs, and CI/CD (GitHub Actions). You’ll join the Account Mobile team driving the Wise app’s homepage and features that help users manage cross-currency money, collaborating with product, design, and analytics—alongside 60+ other mobile engineers.

You will lead mobile development for the BUSY App across iOS, Android, macOS, watchOS, and Wear OS, using Swift, Kotlin, and Apple/Android ecosystems, with BLE and hardware communication as nice-to-haves. Your team builds the BUSY ecosystem—a cross-platform productivity app paired with the BUSY Bar smart multi-tool—at Flipper Devices, creator of Flipper Zero.

Lead Android (Kotlin) and iOS teams, architecting mobile products used by tens of millions of phones globally. Own multi-squad department strategy, code reviews, and next-gen tooling including Kotlin Multiplatform. Partner with C-suite on engineering roadmap and commercial outcomes.

Google★4.3 (6.2k)· London

The Technical Lead Manager will work with Android OS display and power management technologies, using Java and Kotlin, and manage engineers across multiple teams and locations. They ensure stability and extensibility of Android’s critical display and power frameworks, partnering with Pixel, Android partners, and internal Google teams on large-scale international projects.

Tripadvisor★3.9 (142)· London

You will work with Kotlin, Coroutines, Jetpack Compose, Cursor, GraphQL, and MVVM in a clean-architecture modular layout. You’ll join the Tripadvisor Experiences mobile team, focusing on Android app development with occasional backend microservices work.

Tripadvisor★3.9 (142)· London

Android Engineer role working with Kotlin, Coroutines, Jetpack Compose, Cursor, and GraphQL in a modular, clean-architecture MVVM layout. You will build and release code for the Tripadvisor Experiences mobile app, collaborating with product and designers on the full software lifecycle. This is a full-stack role where you primarily develop Android systems, with occasional back-end projects.

Wise★3.5 (42)· London

You'll work with Swift, SwiftUI, Structured Concurrency, VIPER/MVVM, REST APIs, and GitHub Actions. On the Account Mobile team you'll develop the iOS app's homepage and features helping users manage and grow their money, collaborating with 60+ other mobile engineers.

You will develop iOS apps using Swift, SwiftUI, Combine, and Swift Concurrency, with unit testing and peer review. CreateFuture is an AI-native consulting partner building digital products and services for clients like PayPal and adidas.

Wise★3.5 (42)· London

Build iOS features using Swift, with architectures like VIPER or MVVM, and optionally SwiftUI, Structured Concurrency, and CI/CD (GitHub Actions). As part of Wise’s Account Mobile team, you’ll work on the app’s homepage and features for managing cross-currency money, collaborating with 60+ mobile engineers across the company.

Google★4.3 (6.2k)· London

Work with Java and Kotlin on Android display and power management frameworks across devices. Manage engineers as a Tech Lead Manager, ensuring stability and extensibility of critical display and power frameworks for the Android ecosystem.

Backend Nest.js and TypeScript; frontend Angular (v20) and Ionic; Azure CI/CD for multiple daily deployments. You maintain the ZigZag Puppy Training mobile app (iOS and Android), shipping full-stack features and guiding backend architecture and API design.

Senior software engineers work with Nest.js, TypeScript, Angular, Ionic, and Azure CI/CD on the ZigZag dog-training mobile app (iOS/Android). This full-stack individual contributor role leads backend design, APIs, data modelling, and infrastructure decisions on a small, collaborative team.

You will work with Nest.js, TypeScript, Angular (v20), Ionic, and Azure CI/CD pipelines to build and maintain the Zigzag puppy training mobile app across iOS and Android, handling the full stack with a backend focus on APIs and data modelling.

You will work with React Native, TypeScript, React Navigation, REST APIs, CI/CD, and automated testing. This is a greenfield role building a new cross-platform mobile application for enterprise customers at a fast-growing SaaS company.

You will build production mobile apps for iOS and Android using React Native, TypeScript, and integrate AI, natural-language features, Swift, Kotlin, and Python. The venture-backed startup creates AI-powered software that replaces manual workflows for industrial and operational teams.

You will own an existing production React/TypeScript application across web, iOS, and Android, integrating with Python/FastAPI backends and managing CI/CD pipelines. The team builds a computer-vision platform that turns video data into actionable insights. You will drive frontend architecture on a small, collaborative engineering team.

Work with Kotlin, Android frameworks, and platform APIs, migrating a mobile app from React Native to a native Android experience. You will join the Mobile Platform team to build technical foundations—architecture, shared libraries, build systems, and analytics infrastructure—for Zopa’s app, its primary customer touchpoint.

Lead a small mobile team building iOS and Android consumer products at a client. You will set technical direction across both platforms, work hands-on with code, and drive AI-assisted delivery using skills, agents, and spec-driven development. The role includes line-managing engineers and owning the team’s performance, delivery, and growth.

Foundation Partners Group★2.6 (165)· London

Typescript, Python, full-stack web development, frontend focus, offline support, observability, and testing across devices. You will build and scale consumer-facing production web applications for Flok Health, an AI-native healthcare company transforming care for MSK pain.