Senior Mobile Engineer - Fintech & Crypto Trading Apps

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

Benefits offered by this job

Competitive compensation

Education subsidy

Team events

Wellness and meal allowances

Healthcare for employees and dependets

Job summary

OKX’s mobile engineering team is seeking a talented Mobile Engineer on the Trading squad to design and ship end-to-end mobile experiences across iOS and Android, empowering millions of users to trade, invest, and explore Web3.

You will work with product, design, and business teams, applying AI coding tools to accelerate development and improve quality, while maintaining a strong focus on scalable, maintainable mobile code in a fast-paced, collaborative environment in California.

Qualifications

• BS or MS in Computer Science or equivalent experience.
• Proven mobile apps shipped on iOS or Android.
• Strong knowledge of Swift, Kotlin, or React Native.
• Experience in fintech, crypto, or Web3 environments.
• Experience using AI tools to improve workflows.
• Ability to explain technical concepts to non-technical teammates.

Responsibilities

• Design and implement end-to-end mobile systems for iOS and Android.
• Collaborate with product, design, and business teams.
• Write maintainable, well-documented production code with tests.
• Participate in code reviews and mentor others.
• Apply AI tools to accelerate development and improve quality.
• Contribute to interviewing and onboarding of new team members.

Skills

Mobile development

Swift/Kotlin/React Native

Fintech/Web3

AI tooling

Cross-functional collaboration

Tech communication

Education

CS degree

Tools

Xcode

Android Studio

Git

CI/CD

Job description

OKX’s mobile engineering team is seeking a talented Mobile Engineer on the Trading squad to design and ship end-to-end mobile experiences across iOS and Android, empowering millions of users to trade, invest, and explore Web3.

You will work with product, design, and business teams, applying AI coding tools to accelerate development and improve quality, while maintaining a strong focus on scalable, maintainable mobile code in a fast-paced, collaborative environment in California.