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Senior Android Engineer (Contract, Outside IR35)
Six-month outside-IR35 contract (starting January 2027, remote-first) with hedgehog lab's consultancy team, delivering a UK bank's customer-facing Android app as it migrates to Jetpack Compose. Day to day: building Compose UI, maintaining and migrating XML screens, Kotlin/MVVM with Hilt and Dagger, REST APIs, and unit testing with JUnit and MockK.
Senior iOS Engineer, Futures
Senior iOS engineer building and maintaining Binance's cryptocurrency exchange app: designing architecture, developing core app modules, and optimizing user experience on iOS using Swift and UIKit, while collaborating with cross-functional teams to ship new features.
Senior Android Developer - Cryptographic
Senior Android engineer building Binance's MPC Wallet client: developing features, optimizing architecture, implementing security modules (key management, MPC signing, device binding), tuning performance, and driving testing/CI standards. Core stack is Kotlin with Jetpack, OkHttp/Retrofit, and Hilt/Koin.




Senior Software Engineer, Mobile QA
Senior Software Engineer, Mobile QA at Coinbase will own automated regression test suites and test infrastructure for the greenfield native (Swift/Kotlin) rewrite of the retail mobile app, integrating quality checks into CI/CD and the AI-assisted code generation loop, plus quality dashboards and SLOs for app stability.
Senior React Native Developer (Fintech)
Hands-on frontend/mobile developer building pixel-accurate UI for a fintech product: a new React Native + TypeScript app for Android and iOS, plus Next.js/React/Tailwind web screens implemented from Figma designs, with tests and Storybook. Needs 3+ years experience and a published React Native app.
Android Developer
Contract-to-hire (11 months) Android developer role based in Dallas or New York, building security-sensitive Android apps: expert Kotlin with coroutines/Flow and Jetpack Compose, MVVM/MVI architecture, biometric auth and OAuth 2.0, testing with JUnit, GitLab CI/CD pipelines, and Google Play release management.
Android Team Lead – India Collaboration Experience
Wynagrodzenie B2B: 23500 – 35000 PLN / mies. netto Responsibilities: Design, develop, and maintain high-quality Android applications using Kotlin and Java. Lead the architecture and implementation of new features for…
Consultant(e) Senior iOS
Syneam, a French IT consulting firm, is hiring a senior iOS consultant to reinforce a mobile team's delivery capacity on several upcoming projects. Day to day: building complex native iOS features in Swift/SwiftUI, shaping architecture (Clean Architecture, MVVM/TCA), integrating backend APIs, driving test strategy and CI/CD, and collaborating with product, design, and Android teams in an agile set
Senior Android Engineer, MLB App Feature Teams
Senior Android engineer building MLB’s consumer app in Kotlin and Jetpack Compose, owning end-to-end feature delivery, performance, and reliability for millions of users.
Senior Android Developer, Games Apps
Senior Android developer on The New York Times' mobile platform team building the NYT Games App (Crossword, Wordle, Connections, etc.). Day to day: architecting Kotlin/Android features, tech-leading projects and code reviews, and mentoring engineers, in a hybrid NYC role (3+ days/week in office).
Senior Engineering Manager, Games Mobile Apps
Senior Engineering Manager leading the iOS and Android team behind NYT Games' mobile puzzle apps (Crossword, Wordle, Connections), reporting to the Director of Engineering, Games Platform. Day to day: people leadership, multi-year mobile strategy using Swift and Kotlin, and cross-functional delivery in a hybrid NYC role.
Senior iOS Engineer
Staff iOS engineer on WeightWatchers' Mobile Product Engineering team, building and evolving native features of the WW iOS app (food tracking, weight trends, AI-driven health insights, Lock Screen Widgets, Live Activities) while shaping architecture and mentoring engineers. Core stack: Swift, SwiftUI, Combine/Swift Concurrency, Core Data, MVVM/Clean Architecture, XCTest and Fastlane/GitHub Actions
Senior Android Engineer, Client Team - VenturaOS
Build Android-based TV and mobile apps using Kotlin, Jetpack Compose, and Coroutines to power next-gen ad experiences for streaming TV and mobile platforms.
Senior Mobile Engineer — Architect & Scale Global Fintech Apps
Senior Mobile Engineer at Checkout.com architects and builds consumer-facing mobile apps used by millions, owning features end-to-end, defining mobile architecture, championing best practices, and mentoring peers. Works with native iOS, native Android, or React Native alongside backend teams in a London hybrid role.
Senior iOS Developer
Wspólnie z naszym Partnerem, największą platformą e-commerce w Polsce i jedną z największych tego typu organizacji w Europie, poszukujemy doświadczonego/ej specjalisty/ki do świadczenia usług jako Senior iOS Developer…
(Senior) Android App Developer
Senior Android engineer at Roche building shared Kotlin/Java components, frameworks and libraries for the One Diagnostics Platform used in medical diagnostics. Day-to-day: modular architecture, stable APIs, automated testing, security and documentation in a regulated MedTech environment.
