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Principal Android Engineer (Contract, Outside IR35)
Contract (outside IR35, ~6 months from Jan 2027) Principal Android Engineer at digital product consultancy hedgehog lab. You lead the technical side of a team building a UK bank's Android app and drive its migration from XML/Data Binding to Jetpack Compose, while staying hands-on in Kotlin/Compose (MVVM, Hilt/Dagger), mentoring engineers and setting coding, testing and review standards.
Mobile QA Engineer
We are seeking a skilled Mobile QA Engineer to join our dynamic team in Andhra Pradesh. The ideal candidate will have a strong background in mobile handset testing and quality assurance, with a focus on ensuring the…
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.
BBVA Bancomer_IOS developer_T&M - 206617
iOS developer at services firm Orion Innovation, on a T&M engagement building and maintaining BBVA Bancomer's mobile banking app for millions of customers in Mexico City. Day-to-day work involves Swift development with UIKit/SwiftUI, REST API integration, CI/CD, and improving performance, stability, security and accessibility.
Software Engineer - Developer Experience, Android
Software Engineer on DoorDash's Web Developer Experience team, building the foundational tooling — monorepos, build/CI systems, and agent-first development tools — that powers DoorDash, Wolt, and Deliveroo web applications. Core stack is Node.js/TypeScript, with heavy use of AI coding tools, from offices in SF, Sunnyvale, LA, Seattle, or NYC.
Engineering Manager, Mobile Developer Experience
Lead a Mobile Developer Experience team building foundational tools (ZeroKit, iOS/Android monorepos) to help engineers prototype and ship apps faster and more reliably at scale.
Principal Software Engineer - Mobile Applications
Hands-on technical lead for Android and iOS apps supporting Boston Scientific's medical devices: owns architecture, mobile-to-backend/cloud integration, and BLE device connectivity under regulated (FDA/IEC 62304) processes, while mentoring mobile engineers and driving engineering best practices. Hybrid role, at least three days per week in office.
Junior Android Engineer
Junior Android engineer on Trainline's mobile platform team in Barcelona (hybrid, min 60% office time), building and delivering features for the Android rail-booking app. Core stack: Kotlin, Coroutines, Jetpack Compose, Dagger, with agile/SCRUM, CI and pair programming.
Senior Android Engineer, Government Products
Senior Android Engineer building a standalone Android app from 0→1 for Robinhood's federal Trump Accounts program (brokerage/trustee). Day to day: ship stable, high-quality features with Kotlin, Jetpack Compose, Coroutines/RxJava, Retrofit, and Room — leading the full lifecycle from design to release and mentoring juniors in a regulated fintech space.
iOS Engineer (TradFi), AI
iOS engineer on one of Binance's largest feature teams, building and maintaining production-scale Swift features for the core user-facing app (home feed, markets, account/identity, server-driven UI). Focus on AI-assisted iOS development, code quality, and end-to-end delivery to the App Store.
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.
Android Engineer - Risk Control
Builds and optimizes high-performance Android apps for Binance's risk control and identity verification products, integrating on-device AI models (face recognition, liveness detection) and handling real-time camera/video processing. Core stack: Kotlin/Java, Jetpack, OkHttp, with C++/JNI and JS/TS as pluses.
Flutter Engineer (iOS)
Flutter Engineer to own and evolve mobile modules for Binance Square, the company's crypto/Web3 social platform. Day-to-day involves building with Flutter and native iOS, optimizing app performance and stability, and collaborating with Product, Design, and QA.
Senior Android Engineer, Futures
Senior Android engineer building user-facing features for Binance's global crypto exchange Android apps (Futures team), delivering high-performance, stable code with real-time data. Core stack: Kotlin, Java, Jetpack, Retrofit/OkHttp, MVVM/MVI architecture.
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.
Binance Accelerator Program - iOS Architect
A 6-month Binance Accelerator Program placement for current students or recent grads to assist in building and maintaining iOS architecture, reusable components, frameworks, and internal tooling. Day-to-day involves supporting app architecture, code quality, and troubleshooting using Swift/Objective-C with UIKit and/or SwiftUI.
Staff iOS Engineer, Trading Tools
Staff iOS engineer acting as technical lead for mobile on Robinhood's Trading Tools team, building high-performance trading and research surfaces (stock detail, advanced charts, trading ladder, portfolio, watchlists) with Swift, UIKit/SwiftUI and real-time market data, while setting iOS/Android architecture and mentoring engineers. Based in the New York office, 3 days/week in person.