ApplySarthiSoftware Engineer, Mobile
OKX
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14,267 open software roles across 1,170 companies are on ApplySarthi right now, most of them in Bengaluru (894), Hyderabad (287), Pune (177).
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What software roles keep asking for: Python (37%), Java (31%), AWS (29%), System design (26%), C++ (25%), CI/CD (23%), Observability (23%), Kubernetes (20%) — counted across their open postings here.
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Preparing for this interview
Interviews for software roles keep coming back to Python, Java, AWS, System design. Practise those questions before you sit with OKX.
Questions you are likely to be asked
- Why do you want to join OKX?
- What is your experience with Android? Tell me one thing you learned the hard way.
- What changes when an app grows from a thousand users to a million?
- How do you keep an app smooth on low-end phones?
- Tell me about an app release that went wrong. What happened next?
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Practise the Software Engineer, Mobile at OKX interview free →Who We Are
About The Opportunity
We are looking for talented, impact-driven Mobile Engineers to join our engineering organization in Hong Kong. In this role, you will build and scale high-performance, resilient native mobile applications that power OKX’s core product ecosystems—ranging from high-concurrency payment and trading engines to user acquisition, engagement, and product growth systems. You will work on cross-functional engineering challenges at global scale, partnering closely with product design, backend architecture, security, and regional teams.
What You'll Be Doing
- Build & Scale Native Mobile Apps: Design, develop, and maintain modular, reliable native mobile features (iOS or Android) used by millions of global users.
- Architect Core Systems: Drive technical decision-making on mobile architecture, API design, performance optimization, and offline/network resiliency.
- Collaborate Cross-Functionally: Partner closely with Product Management, Design, and Backend Engineering to translate complex user and commercial requirements into intuitive, reliable mobile experiences.
- Ensure Quality & Rigor: Write clean, testable, and maintainable code while maintaining high engineering standards for code reviews, testing, security, and monitoring.
- Integrate AI Workflows: Apply AI coding tools actively in your workflow—not only for code generation, but also to build and maintain repeatable personal AI development workflows.
- Modernize Engineering Tooling: Leverage modern development tools, automated CI/CD pipelines, and productivity workflows to maintain rapid iteration speeds.
What We Look For In You
- Solid software engineering fundamentals with hands-on experience building, shipping, or maintaining production native mobile applications (iOS with Swift/Objective-C or Android with Kotlin/Java).
- Strong understanding of mobile system design, clean architecture, memory management, testing, and performance tuning.
- Ability to actively apply AI coding tools in your workflow and continuously optimize personal engineering productivity.
- Problem-solving mindset with the ability to take ownership of end-to-end features and drive execution independently.
Nice-To-Haves
- Experience in fintech, crypto, digital payments, high-concurrency consumer apps, or growth systems.
- Familiarity with mobile architecture patterns, CI/CD pipelines, experimentation frameworks, or attribution tools.
Perks & Benefits
- Competitive total compensation package
- L&D programs and Education subsidy for employees' growth and development
- Various team building programs and company events
- Wellness and meal allowances
- Comprehensive healthcare schemes for employees and dependants
- More that we love to tell you along the process!
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Listed on greenhouse · posted 2026-09-24. ApplySarthi collects openings and links to application pages; the role is advertised by OKX, not by us.