ApplySarthi

Software Engineer, Mobile (Android)

OKX

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Questions you are likely to be asked

  1. Why do you want to join OKX?
  2. What is your experience with Android? Tell me one thing you learned the hard way.
  3. What changes when an app grows from a thousand users to a million?
  4. How do you keep an app smooth on low-end phones?
  5. Tell me about an app release that went wrong. What happened next?

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OKX will be prioritising applicants who have a current right to work in Singapore, and do not require OKX's sponsorship of a visa.
 

Who We Are

At OKX, we believe that the future will be reshaped by crypto, and ultimately contribute to every individual's freedom.

OKX is a leading crypto exchange, and the developer of OKX Wallet, giving millions access to crypto trading and decentralized crypto applications (dApps). OKX is also a trusted brand by hundreds of large institutions seeking access to crypto markets. We are safe and reliable, backed by our Proof of Reserves.

Across our multiple offices globally, we are united by our core principles: We Before Me, Do the Right Thing, and Get Things Done. These shared values drive our culture, shape our processes, and foster a friendly, rewarding, and diverse environment for every OK-er.

OKX is part of OKG, a group that brings the value of Blockchain to users around the world, through our leading products OKX, OKX Wallet, OKLink and more.

 

About The Opportunity

We are looking for a high-ownership Mobile Engineer to join our team in Singapore. In this role, you will build, optimize, and scale consumer-facing mobile experiences that drive core growth across global markets—from acquisition and activation to trading conversion.

We operate as an AI-native engineering team: we expect engineers to leverage modern agentic workflows (like Claude Code, Codex, and automated developer tooling) to build scalable features rapidly and craft next-generation engineering systems. While deep native Android proficiency is required, you will think holistically about the entire mobile lifecycle, taking end-to-end product ownership and collaborating across platform boundaries.

What You'll Be Doing

  • Drive Growth & User Experience: Design, build, and optimize high-impact mobile features focused on improving user acquisition, activation, trading conversion, and overall mobile user experience across global markets.
  • Take End-to-End Ownership: Partner directly with Product Managers, Designers, Data Analysts, and Backend Engineers to define product requirements, tie technical execution directly to business metrics, and see features through from ideation to production impact.
  • Pioneer AI-Native Workflows: Actively integrate modern AI engineering tools (e.g., Claude Code, Codex) into your daily routine. Help design and institutionalize automated, AI-powered development workflows, testing suites, and internal developer tooling beyond simple code generation.
  • Shape Shared Mobile Architecture: Deliver robust native Android features while thinking beyond a single platform—contributing to shared mobile architectural standards, unified client-side design patterns, and cross-platform infrastructure.
  • Iterate with Data & Rigor: Instrument robust event tracking, execute rigorous A/B experiments, analyze user behavior data, and iterate rapidly to drive sustained conversion improvements.
  • Uphold Engineering Excellence: Write clean, modular, and resilient code. Maintain high standards for automated testing, performance tuning, crash-free session rates, and secure release governance.

 

What We Look For In You

  • Native Android Foundations: Solid software engineering fundamentals with production experience building, optimizing, and maintaining scalable native Android applications (Kotlin, modern Jetpack libraries, Clean Architecture).
  • AI-Native Mindset: Active practitioner of modern AI coding assistants and agents (e.g., Claude Code, Codex, Cursor). A genuine drive to automate repetitive tasks and build AI-augmented developer workflows.
  • Business & Product Ownership: Understanding user needs, business metrics, and taking end-to-end ownership of features and outcomes.
  • Cross-Platform Vision: Ability to think beyond a single platform and contribute to shared mobile architecture.
  • Experimentation & Execution: Hands-on experience or familiarity with mobile analytics, A/B testing methodologies, feature flagging, and rapid conversion optimization.

 

Nice-To-Haves

  • Experience in Fintech, Crypto, high-frequency trading platforms, or high-growth consumer apps.
  • Experience maintaining or contributing to shared mobile frameworks, multiplatform architectures (e.g., Kotlin Multiplatform), or design systems.
  • Experience building or maintaining modern mobile CI/CD pipelines (e.g., Fastlane, GitHub Actions, custom Gradle plugins).
  • Proficiency in speaking, reading, and writing in both English and Mandarin to collaborate seamlessly with distributed product and engineering teams across global offices.

 

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!

#LI-ML1 #LI-ONSITE

Notice:
All official OKX vacancies are published on this website. While roles may appear on selected third-party platforms from time to time, information on other sites may be inaccurate or outdated. If in doubt, please apply directly through our official careers website.
Information collected and processed as part of the recruitment process of any job application you choose to submit is subject to OKX's Candidate Privacy Notice.

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Listed on greenhouse · posted 2026-10-26. ApplySarthi collects openings and links to application pages; the role is advertised by OKX, not by us.