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Binance is a leading global blockchain ecosystem behind the world’s largest cryptocurrency exchange by trading volume and registered users. We are trusted by 300+ million people in 100+ countries for our industry-leading security, user fund transparency, trading engine speed, deep liquidity, and an unmatched portfolio of digital-asset products. Binance offerings range from trading and finance to education, research, payments, institutional services, Web3 features, and more. We leverage the power of digital assets and blockchain to build an inclusive financial ecosystem to advance the freedom of money and improve financial access for people around the world.<h3>Responsibilities</h3><ul><li>Design, develop, and maintain client-side applications for an instant messaging platform, with Android as the primary focus</li><li>Build core messaging features: real-time chat, group chat, media messaging, message sync, offline messaging, push notifications</li><li>Participate in client-side architecture design, ensuring consistent UX across Android, iOS, and Web</li><li>Use AI-powered tools (Cursor, GitHub Copilot, ChatGPT, Claude, etc.) to support cross-stack frontend development — read, debug, and modify iOS/Web codebases</li><li>Integrate RESTful APIs and WebSocket/MQTT/gRPC real-time communication protocols</li><li>Handle local storage, offline-first experience, message state management, and cross-platform sync logic</li><li>Optimize client performance: startup speed, memory, battery, network efficiency, UI responsiveness</li><li>Collaborate with backend teams on API design, integration, and production issue investigation</li><li>Senior level: mentor junior engineers, contribute to technical design decisions</li></ul><h3>Requirements</h3><ul><li>Bachelor's degree in Computer Science, Software Engineering, or a related discipline</li><li>Engineer: 1-3+ years of experience; Senior Engineer: 3-5+ years</li><li>Solid production experience in Android development (Kotlin and/or Java)</li><li>Good understanding of Android SDK, Jetpack components, asynchronous programming, and modern client-side architecture</li><li>Required: ability to use AI-powered development tools (Cursor, GitHub Copilot, ChatGPT, Claude, or similar) for cross-stack frontend development</li><li>Able to read, understand, debug, and make reasonable changes in iOS or Web codebases with AI tool support</li><li>Familiarity with WebSocket, MQTT, gRPC, or similar real-time communication protocols</li><li>Understanding of messaging concepts: message delivery, read status, sync, local persistence, offline support, push notifications</li><li>Good understanding of client-side performance optimization, memory management, multithreading, and security best practices</li><li>Familiar with Git, CI/CD pipelines, automated testing, and Agile processes</li><li>Strong debugging, problem-solving, ownership, and communication skills</li></ul><h3>Preferred Qualifications</h3><ul><li>Experience building IM products or communication platforms (WhatsApp, Telegram, WeChat, Discord, Slack, Messenger, etc.)</li><li>iOS development experience (Swift, SwiftUI, Objective-C)</li><li>Web frontend experience (TypeScript, React, Vue, Next.js)</li><li>Cross-platform client or mobile full-stack development experience</li><li>End-to-end encryption, message security, or cryptographic protocols experience</li><li>Voice/video calling or RTC technologies experience</li><li>Large-scale distributed messaging infrastructure experience</li><li>Fintech, payments, or Web3 applications experience</li><li>Open-source contributions or published apps on Google Play/App Store</li></ul><b>Why Binance</b>• Shape the future with the world’s leading blockchain ecosystem• Collaborate with world-class talent in a user-centric global organization with a flat structure• Tackle unique, fast-paced projects with autonomy in an innovative environment• Thrive in a results-driven workplace with opportunities for career growth and continuous learning• Competitive salary and company benefits• Work-from-home arrangement (the arrangement may vary depending on the work nature of the business team)Binance is committed to being an equal opportunity employer. We believe that having a diverse workforce is fundamental to our success.<i>By submitting a job application, you confirm that you have read and agree to our </i><b><a href="https://www.binance.com/en/candidate/privacy/notice" rel="noopener noreferrer nofollow ugc" target="_blank"><i>Candidate Privacy Notice</i></a></b><i>.</i>We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.

Client Full-Stack Engineer — IM Chat Platform, Android Focus

Binance is a leading global blockchain ecosystem behind the world’s largest cryptocurrency exchange by trading volume and registered users. We are trusted by 300+ million people in 100+ countries for our industry-leading security, user fund transparency, trading engine speed, deep liquidity, and an unmatched portfolio of digital-asset products. Binance offerings range from trading and finance to education, research, payments, institutional services, Web3 features, and more. We leverage the power of digital assets and blockchain to build an inclusive financial ecosystem to advance the freedom of money and improve financial access for people around the world.<b>About Binance Square</b>Binance Square aims to be the one-stop social platform for the latest trends in Web3 and crypto. With a vast selection of content from renowned crypto experts, avid enthusiasts, and trusted media sources, the platform serves as a bridge between content creators and their followers, customizing users’ feeds based on their respective engagement history. Join us to be part of a team that is shaping the future of social interaction in the crypto space.<h3>Responsibilities:</h3><ul><ul><li>Be responsible for developing and maintaining Binance Square's modules.</li><li>Collaborate with product, design, and QA teams to deliver a smooth user experience.</li><li>Optimize the app user experience, minimizing latency and improving overall app performance.</li><li>Participate in code reviews, ensuring code quality, maintainability, and deliver high quality work.</li><li>Explore and use AI development tools to boost coding, testing, and debugging efficiency.</li></ul></ul><h3>Requirements:</h3><ul><ul><li><b>3-5 years</b> of Android development experience, proficient in<b> Objective-C, Swift and Flutter. </b></li><li>Good understanding of UI/UX principles and creating intuitive user experiences.</li><li>Solid understanding of mobile app architecture and best practices (MVVM, Clean Architecture, RESTful APIs).</li><li>Experience in Android app performance optimization, covering networking, rendering, and memory management.</li><li>Strong problem-solving and debugging skills, with the ability to operate effectively in fast-paced, cross-functional teams.</li><li>Bilingual English/Mandarin is required to be able to coordinate with overseas partners and stakeholders.</li></ul></ul><b>Why Binance</b>• Shape the future with the world’s leading blockchain ecosystem• Collaborate with world-class talent in a user-centric global organization with a flat structure• Tackle unique, fast-paced projects with autonomy in an innovative environment• Thrive in a results-driven workplace with opportunities for career growth and continuous learning• Competitive salary and company benefits• Work-from-home arrangement (the arrangement may vary depending on the work nature of the business team)Binance is committed to being an equal opportunity employer. We believe that having a diverse workforce is fundamental to our success.<i>By submitting a job application, you confirm that you have read and agree to our </i><b><a href="https://www.binance.com/en/candidate/privacy/notice" rel="noopener noreferrer nofollow ugc" target="_blank"><i>Candidate Privacy Notice</i></a></b><i>.</i>We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.

iOS Engineer (Flutter, Swift)

Binance is the global blockchain company behind the world’s largest digital asset exchange by trading volume and users, serving a greater mission to accelerate cryptocurrency adoption and increase the freedom of money.Are you looking to be a part of the most influential company in the blockchain industry and contribute to the crypto-currency revolution that is changing the world?<h3>Job Responsibilities:</h3><ul><ul><li>Assist the Android development team in the design, development, and testing of mobile applications;</li><li>Write maintainable and high-performance code in Kotlin or Java;</li><li>Participate in product requirement reviews and provide feasible technical solutions;</li><li>Collaborate with UI/UX designers to deliver high-quality user interfaces and interactive experiences;</li><li>Troubleshoot and fix bugs, while continuously optimizing app performance;</li><li>Learn and apply mainstream Android development frameworks such as Android Jetpack, MVVM architecture, and Material Design;</li><li>Write technical documentation and support the release and deployment process.</li></ul></ul><h3>Requirements:</h3><ul><ul><li>Proficiency in Java or Kotlin with a foundational understanding of Android development;</li><li>Familiar with Android Studio and basic layout components such as Activity, Fragment, RecyclerView, etc.;</li><li>Understanding of RESTful APIs and network communication using libraries like Retrofit and OkHttp;</li><li>Basic knowledge of Git version control;</li><li>Strong learning ability and a collaborative team player;</li><li>Personal projects or GitHub contributions are a strong plus.</li><li>Currently enrolled in a university program, majoring in Computer Science, Software Engineering, Information Technology, or a related field.</li></ul></ul><h3>Preferred Qualifications:</h3><ul><ul><li>Familiarity with Jetpack components (LiveData, ViewModel, Room, etc.);</li><li>Experience using Firebase, Google Maps, or third-party SDKs;</li><li>Experience with cross-platform development tools like Flutter or React Native.</li></ul></ul>

Binance Accelerator Program - Android Engineer

Binance is a leading global blockchain ecosystem behind the world’s largest cryptocurrency exchange by trading volume and registered users. We are trusted by over 300 million people in 100+ countries for our industry-leading security, user fund transparency, trading engine speed, deep liquidity, and an unmatched portfolio of digital-asset products. Binance offerings range from trading and finance to education, research, payments, institutional services, Web3 features, and more. We leverage the power of digital assets and blockchain to build an inclusive financial ecosystem to advance the freedom of money and improve financial access for people around the world.<b>About Binance Square</b>Binance Square aims to be the one-stop social platform for the latest trends in Web3 and crypto. With a vast selection of content from renowned crypto experts, avid enthusiasts, and trusted media sources, the platform serves as a bridge between content creators and their followers, customizing users’ feeds based on their respective engagement history. Join us to be part of a team that is shaping the future of social interaction in the crypto space.<h3>Responsibilities</h3><ul><ul><li>Own the development and evolution of key <b>Binance Square</b> mobile modules, ensuring scalable, high-quality implementation.</li><li>Work closely with Product, Design, and QA to deliver a smooth and consistent user experience.</li><li>Lead performance optimization efforts, reducing latency and improving app stability and responsiveness.</li><li>Uphold engineering excellence through code reviews, technical best practices, and high standards of code quality.</li><li>Leverage AI-assisted development tools to improve coding efficiency, testing, and debugging.</li></ul></ul><h3>Requirements</h3><ul><ul><li><b>5+ years</b> of mobile development experience with strong proficiency in <b>native iOS, native Android, and Flutter</b>.</li><li>Strong grasp of mobile UI/UX principles, with a track record of building intuitive, user-centric experiences.</li><li>Solid experience in mobile app architecture and best practices (e.g. MVVM, Clean Architecture, RESTful APIs).</li><li>Proven ability to optimize Android app performance, including networking, rendering, and memory management.</li><li>Strong problem-solving and debugging skills, with the ability to operate effectively in fast-paced, cross-functional teams.</li><li>Bilingual English/Mandarin <b>is required to be able to coordinate with overseas partners and stakeholders.</b></li></ul></ul><b>Why Binance</b>• Shape the future with the world’s leading blockchain ecosystem• Collaborate with world-class talent in a user-centric global organization with a flat structure• Tackle unique, fast-paced projects with autonomy in an innovative environment• Thrive in a results-driven workplace with opportunities for career growth and continuous learning• Competitive salary and company benefits• Work-from-home arrangement (the arrangement may vary depending on the work nature of the business team)Binance is committed to being an equal opportunity employer. We believe that having a diverse workforce is fundamental to our success.<i>By submitting a job application, you confirm that you have read and agree to our </i><b><a href="https://www.binance.com/en/candidate/privacy/notice" rel="noopener noreferrer nofollow ugc" target="_blank"><i>Candidate Privacy Notice</i></a></b><i>.</i>We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.

Senior Flutter Engineer (iOS, Android)

Binance is a leading global blockchain ecosystem behind the world’s largest cryptocurrency exchange by trading volume and registered users. We are trusted by over 300 million people in 100+ countries for our industry-leading security, user fund transparency, trading engine speed, deep liquidity, and an unmatched portfolio of digital-asset products. Binance offerings range from trading and finance to education, research, payments, institutional services, Web3 features, and more. We leverage the power of digital assets and blockchain to build an inclusive financial ecosystem to advance the freedom of money and improve financial access for people around the world.<b>About Binance Square</b>Binance Square aims to be the one-stop social platform for the latest trends in Web3 and crypto. With a vast selection of content from renowned crypto experts, avid enthusiasts, and trusted media sources, the platform serves as a bridge between content creators and their followers, customizing users’ feeds based on their respective engagement history. Join us to be part of a team that is shaping the future of social interaction in the crypto space.<h3>Responsibilities</h3><ul><ul><li>Be responsible for developing and maintaining Binance Square's modules. </li><li>Collaborate with product, design, and QA teams to deliver a smooth user experience.</li><li>Optimize the app user experience, minimizing latency and improving overall app performance.</li><li>Participate in code reviews, ensuring code quality, maintainability, and deliver high quality work.</li><li>Explore and use AI development tools to boost coding, testing, and debugging efficiency.</li></ul></ul><h3>Requirements</h3><ul><ul><li><b>3-5 years</b> of Android development experience, proficient in <b>Kotlin, Java and Flutter. </b></li><li>Good understanding of UI/UX principles and creating intuitive user experiences.</li><li>Solid understanding of mobile app architecture and best practices (MVVM, Clean Architecture, RESTful APIs).</li><li>Experience in Android app performance optimization, covering networking, rendering, and memory management.</li><li>Strong problem-solving and debugging skills, with the ability to operate effectively in fast-paced, cross-functional teams.</li><li>Bilingual English/Mandarin is required to be able to coordinate with overseas partners and stakeholders.</li></ul></ul><b>Why Binance</b>• Shape the future with the world’s leading blockchain ecosystem• Collaborate with world-class talent in a user-centric global organization with a flat structure• Tackle unique, fast-paced projects with autonomy in an innovative environment• Thrive in a results-driven workplace with opportunities for career growth and continuous learning• Competitive salary and company benefits• Work-from-home arrangement (the arrangement may vary depending on the work nature of the business team)Binance is committed to being an equal opportunity employer. We believe that having a diverse workforce is fundamental to our success.<i>By submitting a job application, you confirm that you have read and agree to our </i><b><a href="https://www.binance.com/en/candidate/privacy/notice" rel="noopener noreferrer nofollow ugc" target="_blank"><i>Candidate Privacy Notice</i></a></b><i>.</i>We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.

Android Engineer (Flutter, Kotlin)

10 link clicks.

DFNS

<p>Join a team of engineers and cryptographers building the infrastructure behind the next generation of financial systems. We’re hiring a Lead Mobile Engineer to build the mobile experience of our platform. You’ll design and ship iOS and Android applications, improve our cross-platform architecture, and build interfaces that are fast, intuitive, and reliable. We’re looking for strong expertise in React Native and a sharp eye for product and UX details. You have experience shipping production mobile apps in fintech, blockchain, or other high-reliability environments. You’ll work closely with product, security, and backend teams to turn complex requirements into simple mobile workflows for both administrators and end users. This role includes owning projects end to end, contributing to mobile architecture decisions, and ensuring the mobile stack remains secure, reliable, and easy to build on.</p>

Lead Mobile Engineer

Paris, New York

Web3 Android Mobile jobs Earn 💰 $120k-$220k salary with theseDFNS and other crypto companies

Browse 1+ Web3 Android Mobile jobs paying $120k-$220k/year. Hiring at DFNS. Apply now! Updated November 2026

Job Title	Company Name	Salary	Location	Tags
Lead Mobile Engineer	DFNS	120k-220k/year	📍 Paris, New York, France, USA	MobileReact NativeIOSAndroid
Past and filled jobs:
Client Full-Stack Engineer — IM Chat Platform, Android Focus	Binance		📍 Hong Kong · 3 other locations	AndroidMobileFull StackReact
iOS Engineer (Flutter, Swift)	Binance		📍 Hong Kong · 2 other locations	Web3ResearchDeveloperTrading
Binance Accelerator Program - Android Engineer	Binance	25k-35k/year	📍 Taiwan, Taipei · 2 other locations	Web3DeveloperTradingEngineering
Senior Flutter Engineer (iOS, Android)	Binance		📍 Hong Kong · 2 other locations	Web3ResearchDeveloperTrading
Android Engineer (Flutter, Kotlin)	Binance		📍 Taiwan, Taipei · 2 other locations	Web3ResearchDeveloperTrading

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Lead Mobile Engineer

DFNS

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