You will work with backend development, databases, APIs, cloud services and production machine learning systems. This is for a growing technology business. No specific project or team size is mentioned.

You will use TensorFlow or PyTorch, Python, and CV/graphics libraries, plus 3D engines like Unreal or Unity, to develop generative models for graphics and video. As part of the Visual Computing Group, you'll design neural networks and ML for PlayStation's game rendering and live

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.

Google★4.3 (6.2k)· London

You'll work on Android with Java and Kotlin for the Growth Systems and App Foundations team. This role builds the foundational and growth-oriented systems that power Google's Android apps at massive scale.

Imperial College London★4.2 (238)· London

Work with PyTorch, GPU kernel programming, Verilog, and NVIDIA's Holoscan Sensor Bridge to integrate FPGA-based AI-ISP accelerators with edge GPU platforms. The project targets low-latency, high-throughput sensor-to-GPU streaming for the "Sense-Decide" pipeline in edge automation.

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

You will work with Java, Kotlin, and Android OS to develop and maintain display and power frameworks for the Android ecosystem. As a Tech Lead Manager, you manage a team of software engineers, ensuring stability and extensibility of critical frameworks across devices.

Lead engineers use Java, C#/.NET, Python, TypeScript, JavaScript, React, Go, Ruby, Scala, R, and SQL; Git, MacOS/Linux, and CI/CD; and AI-assistive tools. They lead multi-client software consultancy engagements, building and delivering production agentic systems and ML-powered features. The team is typically one to two clients per year.

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.

You'll build backend services and microservices using Rust, Go, Python, and Java for X Money, xAI's global payment network targeting 600+ million users. The role involves designing high-scale, low-latency distributed systems for payments, fraud detection, and compliance while collaborating with iOS, Android, and web teams on full-stack features in a startup-like environment.

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.

This role develops generative AI applications using Java, Python, React or Angular, LangChain, LlamaIndex, Hugging Face, Docker, Kubernetes, and AWS, with tools like GitHub Copilot. You will build scalable, AI-powered solutions for Citi’s global finance operations.

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.

Python and SQL for computer‑vision projects using Vision Language Models (VLMs) at a tech start‑up. You will work on a broad range of machine‑vision tasks, blending research, implementation, and support from a team of PhDs and MScs.

The role involves designing and implementing machine learning tools, web applications, and database management platforms, plus developing AI algorithms for ophthalmic image segmentation and analysis. You will work with the AI and Data Science team at Moorfields Eye Hospital’s NIHR Clinical Research Facility, which delivers ophthalmology clinical research and AI-driven diagnostic models for eye diseases.

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.

Research, develop, and evaluate state-of-the-art deep learning models for volumetric CT data using Python and PyTorch. You will contribute to self-supervised pre-training of large 3D foundation models and specialize models for segmentation, classification, and regression to support clinical-trial and real-world evidence programmes. The role is within the Machine Learning function at Qureight, which builds an AI-powered imaging platform for lung and heart disease.

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.

Build scalable backend services and APIs with Go, Python, or C++, and develop frontend applications using React and TypeScript. You will ship AI-powered product features end-to-end on a platform combining computer vision, multimodal AI, and real-time data. Work closely with AI and platform engineers on new capabilities within a small, experienced team.

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.