In the fast-evolving world of cryptocurrency and mobile technology, building a seamless, high-performance user experience is more critical than ever. As a Senior/Staff Software Engineer (Android) focused on Mobile Infrastructure, you’ll play a pivotal role in shaping the core architecture of the OKX app — a platform trusted by millions of users worldwide for crypto trading, asset management, and decentralized application (dApp) access.
This role isn’t just about writing code — it’s about engineering excellence, innovation, and scalability. You’ll be responsible for building foundational systems that empower teams across the organization to deliver cutting-edge features quickly and reliably.
👉 Discover how your Android engineering skills can shape the future of crypto apps.
The Vision Behind OKX
OKX is more than a leading cryptocurrency exchange — it's a gateway to financial freedom powered by blockchain innovation. With products like the OKX Wallet, OKLink blockchain explorer, and a globally accessible trading platform, OKX empowers both retail users and institutional investors to participate in the decentralized economy.
Security, transparency, and performance are at the heart of everything we do. Our Proof of Reserves system ensures trust at scale, while our global team operates under shared values: We Before Me, Do the Right Thing, and Get Things Done. These principles foster a collaborative, results-driven culture where engineers thrive.
Building the Backbone of a Global Mobile App
The OKX mobile app serves millions of daily active users who rely on fast, stable, and intuitive access to crypto markets. Behind this experience lies a robust mobile infrastructure engineered for performance, modularity, and long-term maintainability.
As a key member of the Mobile Infrastructure team, you will:
- Design and implement scalable Android frameworks used across multiple product verticals
- Optimize app startup time, memory usage, and APK size to enhance user experience
- Develop reusable UI components and libraries that accelerate feature development
- Refactor and modernize legacy codebases using best-in-class architectural patterns
- Integrate advanced tooling for monitoring, testing, and continuous delivery
Your work will directly impact how quickly new features ship, how smoothly the app runs, and how confidently teams can innovate.
Core Responsibilities
- Build mobile infrastructure and tools to boost engineering efficiency across Android teams
- Analyze and optimize UI rendering pipelines and backend integration layers for peak performance
- Develop modular, reusable Android components that promote consistency and reduce technical debt
- Collaborate cross-functionally with product, design, and backend engineering teams to define scalable technical solutions
- Refine project structure and CI/CD workflows to improve code quality, test coverage, and release velocity
- Lead architectural initiatives that support next-generation mobile capabilities in trading, wallet functionality, and dApp integration
What We’re Looking For
To succeed in this role, you need deep expertise in Android development and a passion for building systems that last. We value engineers who think beyond individual features and focus on long-term platform health.
Essential Qualifications
- Bachelor’s degree in Computer Science or equivalent practical experience
- 5+ years of professional Android development experience
- Proven track record of shipping complex, business-critical Android applications with frequent updates
- Strong command of Android SDK, Kotlin/Java, and modern UI frameworks
- Expertise in performance optimization — including memory management, battery efficiency, and network calls
- Solid understanding of architectural patterns such as MVVM, MVI, or Clean Architecture
- Proficiency with Jetpack components (ViewModel, LiveData, Navigation, etc.) and popular libraries like Retrofit, RxJava, or Coroutines
- Experience working with modularized app architectures and dynamic feature delivery
Preferred Skills
- Experience in mobile infrastructure or platform engineering teams
- Background in performance monitoring tools, profiling techniques, or build optimization
- Familiarity with automated testing strategies (unit, integration, UI tests) and CI pipelines
- Knowledge of cross-platform solutions or interoperability with native modules
- Strong communication skills with the ability to influence technical direction across teams
👉 See how infrastructure engineering drives innovation in crypto mobile apps.
Why This Role Matters
Mobile infrastructure may not always be visible to users, but it’s what makes everything else possible. Every trade executed, every wallet connected, every chart rendered — they all depend on the stability and speed of the underlying system.
By joining OKX as a Senior/Staff Android Engineer, you’re not just maintaining an app — you’re helping build the foundation for the next generation of blockchain-powered financial tools.
You’ll have the opportunity to:
- Work on one of the most widely used crypto applications in the world
- Solve challenging problems in performance, scalability, and security
- Mentor other engineers and drive technical excellence across teams
- Influence product direction through deep technical insights
Frequently Asked Questions
Q: Is prior experience in fintech or crypto required?
A: While experience in financial technology or blockchain is beneficial, it’s not mandatory. We value strong engineering fundamentals and a willingness to learn. Our team provides onboarding resources to help you get up to speed with crypto concepts.
Q: What does “mobile infrastructure” mean in practice?
A: It means building shared libraries, tooling, and architectural frameworks that other engineers use daily. Examples include crash reporting integrations, modular navigation systems, performance tracking SDKs, or automated release pipelines.
Q: How does OKX support career growth for engineers?
A: We offer clear technical career paths, regular feedback cycles, access to learning platforms, and opportunities to lead high-impact projects. Senior engineers are encouraged to mentor others and contribute to cross-team initiatives.
Q: Is this role remote or office-based?
A: OKX supports flexible working arrangements, including remote options depending on location. We have offices in several global hubs for those who prefer in-person collaboration.
Q: How large is the Android engineering team?
A: We have a growing team of specialized Android engineers working across different domains — from trading interfaces to wallet integration and infrastructure. This role sits at the intersection of multiple product areas.
👉 Explore career opportunities where Android engineering meets blockchain innovation.
Keywords & SEO Optimization
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- Senior Software Engineer Android
- Staff Android Engineer
- Mobile Infrastructure Engineer
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- Crypto mobile app development
- Android architecture patterns
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These terms reflect real user searches related to senior-level Android roles in high-scale environments, particularly within fintech and crypto sectors.
Final Thoughts
If you're passionate about building rock-solid mobile foundations that serve millions — and want to be part of a mission-driven company shaping the future of finance — this role offers a unique blend of technical challenge and global impact.
From optimizing startup latency to designing scalable module boundaries, your contributions will ensure the OKX app remains a leader in performance, reliability, and innovation.
Whether you're advancing your career as a Staff Engineer or looking to make a meaningful impact in mobile infrastructure, OKX provides the platform, resources, and culture to help you grow — technically and professionally.