Senior Mobile Engineer, Crypto Trading

OKX; San Jose (CA); On-site; USD 224,000 - 322,000; Full time

Benefits offered by this job

Wellness and meal allowances

Comprehensive healthcare schemes

L&D programs and Education subsidy for

Team building programs and company

Job summary

OKX is building a leading crypto exchange with global teams and a focus on innovative mobile experiences. We seek a Mobile Engineer on the Trading team to design and ship end-to-end mobile systems for iOS and Android, aligned with crypto products and market dynamics.

You will drive code quality, maintainability, and cross-functional collaboration. Ideal candidates have production mobile experience (iOS/Android), strong Swift/Kotlin/React Native skills, and a track record of leveraging AI to

Qualifications

• Proven experience shipping production-quality mobile code on iOS and/or Android.
• Experience in fintech, crypto, or Web3 environments.
• Demonstrated ability to integrate AI tools to optimise workflows and drive measurable impact.
• Ongoing AI skill development — prompt engineering, agent orchestration, staying current with emerging AI technologies.

Responsibilities

• Design and build end-to-end mobile systems across iOS and Android, from architecture to launch strategy.
• Understand and apply knowledge of crypto products, blockchain technologies, and market dynamics to deliver solutions at scale.
• Ship production-quality code with an emphasis on long-term maintainability, with relevant documentation and test coverage.
• Break down complex engineering projects into executable tasks and partner with cross-functional teams.

Skills

Swift

Kotlin

React Native

AI tooling

Technical communication

Education

B.S. or M.S. in Computer Science

Job description

OKX is building a leading crypto exchange with global teams and a focus on innovative mobile experiences. We seek a Mobile Engineer on the Trading team to design and ship end-to-end mobile systems for iOS and Android, aligned with crypto products and market dynamics.

You will drive code quality, maintainability, and cross-functional collaboration. Ideal candidates have production mobile experience (iOS/Android), strong Swift/Kotlin/React Native skills, and a track record of leveraging AI to