Senior Android Developer - Cryptographic

Binance
Hong Kong +1 more
Remote

Who this role is best for

Best suited to experienced Android developers with a focus on cryptographic security working in blockchain and financial-grade product environments.

Best fit for

  • Candidates who can independently build complex UIs and optimize performance across Android platforms
    — “capable of independently building complex UI”
  • Individuals with a track record of delivering commercial products and strong code review habits
    — “Good code review habits; familiar with Git workflows (feature branching, PR review)”

Things to consider

  • The role necessitates a deep knowledge of Android security mechanisms and cryptographic concepts
    — “Familiar with Android security mechanisms: KeyStore, encrypted storage, certificate pinning, code obfuscation / hardening”
  • Candidates should be prepared to work with multiple teams across platforms for consistency
    — “Align interfaces (API/Proto) with iOS, backend, and Web teams”

How to stand out

  • Highlight experience in building secure, high-performance Android applications with cryptographic features
    — “Responsible for feature development and architecture optimization of the MPC Wallet Android client”
  • Showcase a history of shipping end-to-end commercial products and collaborative code review practices
    — “5+ years of native Android development experience, with a track record of shipping commercial products end-to-end”
  • Emphasize familiarity with cryptographic concepts like MPC, TSS, and key derivation protocols
    — “Cryptography Fundamentals: Understanding of symmetric/asymmetric encryption, digital signatures, key derivation (BIP-32/39/44), MPC/TSS concepts”
  • Demonstrate experience integrating AI-assisted tools into daily development workflows
    — “Adept at using AI-assisted tools (e.g., GitHub Copilot, Cursor, ChatGPT) to boost development efficiency”
Pace · Fast PacedCollaboration · HighAutonomy · MediumDecision Impact · Team

Derived from job-description analysis by Serendipath's career intelligence engine.

What success looks like

  • develop and optimize the MPC Wallet Android client
Typical background
5+ years of native Android development experience

Skills & requirements

Required

Native Android DevelopmentKotlinAndroid SDKJetpack ComponentsSecurity ImplementationPerformance OptimizationCode Review

Preferred

BlockchainCryptographyJavaScriptGo Integration

Stack & domain

Android DevelopmentKotlinJavaAndroid SDKJetpack ComponentsJetpack ComposeMVVMMVIClean ArchitectureOkhttpRetrofitProtobufJSONHiltKoinKeystoreEncrypted StorageCertificate PinningCode ObfuscationAi-assisted ToolsGithub CopilotCursorChatgptGit WorkflowsFeature BranchingPR ReviewBlockchainWeb3BTCETHSolanaWallet AppsDappsSymmetric/asymmetric EncryptionDigital SignaturesKey DerivationMpc/tssReact NativeWebview BridgingJS BridgeTypeScriptGomobileGo LibrariesCross-language BindingDebugCommunicationCollaborationProblem-solvingTeamworkSelf-motivationCryptocurrency

About the role

Original posting from Binance via Greenhouse

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, and more. Our mission is to increase the freedom of money and financial access for people around the world.

Binance platform provides a large range of different cryptocurrency services to retail users, high net vault individuals, institutions, and enterprise customers. As a platform frontend developer, you must be active in designing and building efficient web applications. You should be self-motivated, and be able to proactively push from the start to finish of each feature.

Responsibilities:

Core Development: Responsible for feature development and architecture optimization of the MPC Wallet Android client, ensuring code quality and maintainability.

Security Implementation: Participate in client-side implementation of security-related modules including key management, MPC signing flows, and device binding.

Cross-Platform Collaboration: Align interfaces (API/Proto) with iOS, backend, and Web teams to ensure multi-platform consistency and compatibility.

Performance Optimization: Continuously optimize app startup speed, memory usage, network requests, and UI rendering performance.

Quality Assurance: Write unit and integration tests, participate in code reviews, and drive engineering standards and CI/CD pipeline development.

Technical Research: Track new technologies in the Android ecosystem, evaluate and introduce suitable tools and frameworks for the team.

Requirements:

5+ years of native Android development experience, with a track record of shipping commercial products end-to-end.

Proficient in Kotlin (primary language), familiar with Java.

Solid command of Android SDK and Jetpack components (Lifecycle, ViewModel, Navigation, Room, WorkManager, etc.).

Familiar with Jetpack Compose or traditional View system; capable of independently building complex UI.

Familiar with common architecture patterns: MVVM / MVI / Clean Architecture.

Familiar with networking frameworks (OkHttp, Retrofit), serialization (Protobuf / JSON), and dependency injection (Hilt / Koin).

Familiar with Android security mechanisms: KeyStore, encrypted storage, certificate pinning, code obfuscation / hardening.

Good code review habits; familiar with Git workflows (feature branching, PR review).

Adept at using AI-assisted tools (e.g., GitHub Copilot, Cursor, ChatGPT) to boost development efficiency; demonstrates an AI-augmented development mindset.

Strong communication skills; able to collaborate effectively with multi-platform teams.

Nice to Have(Preferred)

Blockchain / Web3 Experience: Understanding of major blockchains (BTC, ETH, Solana); experience with wallet apps or DApps.

Cryptography Fundamentals: Understanding of symmetric/asymmetric encryption, digital signatures, key derivation (BIP-32/39/44), MPC/TSS concepts.

JavaScript / Cross-Platform Experience: React Native, WebView bridging, JS Bridge development, or familiarity with TypeScript.

Gomobile / Go Integration Experience: Experience integrating Go libraries via gomobile (e.g., Go-based MPC core library); understanding of cross-language binding and debugging.

Security-Sensitive Product Experience: Experience with financial-grade / custody-grade products; understanding of compliance, audit, and risk control requirements.

Android Reverse Engineering & Security Protection: Knowledge of Android cracking, reverse analysis, Hook, Root/Jailbreak detection, anti-debugging, memory protection, and data leak prevention; ability to enhance sensitive data and memory security on rooted or high-risk runtime environments.

CI/CD Pipeline Experience: GitHub Actions, Fastlane, automated testing.

AI-Assisted Development Practice: Experience integrating LLM / AI Agents into daily development workflows (code generation, code review, automated testing, documentation), or understanding of prompt engineering.

Why Binance

Shape the future of finance 

Collaborate with world-class talent in a user-centric global organization with a flat structure

Tackle challenging projects in a fast-paced and innovative enviornment with autonomy

Thrive in a results-driven workplace with opportunities for career growth and continuous learning

Competitive salary and company benefits

Remote-first, work-from-home arrangement (may vary depending on the nature of the role and team)

Binance is committed to being an equal opportunity employer. We believe that having a diverse workforce is fundamental to our success.

By submitting a job application, you acknowledge that you have read our Candidate Privacy Notice.

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.

Source: Binance careers (Greenhouse)

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