Senior Software Engineer, AI Trading San Jose, California, United States

About the Opportunity

Our engineering team is comprised of creative problem solvers and strategic software engineers who collaborate closely with product, design, and business teams. We sit at the intersection of finance and technology, building mobile experiences that help millions of users worldwide trade, invest, and explore Web3.

As a Mobile Engineer on our Trading team, you will help grow the crypto ecosystem by identifying new features, product opportunities, and scalable solutions — enabling users and partner businesses to unlock the full potential of OKX's platform.

What You’ll Be Doing

• 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 applicable cross-functional teams.
• Independently identify stakeholders and align cross-functional partners toward project completion.
• Conduct code reviews and provide constructive feedback; action feedback from reviews of your own code promptly.
• Apply AI coding tools to accelerate development, improve code quality, and optimise engineering workflows.
• Serve as a subject matter expert within the mobile engineering team and provide consultation on domain-level projects.
• Build relationships with internal stakeholders; share project updates and influence decision-making through data-driven insights.
• Participate in interviewing and onboarding of new team members.

What We Look For In You

• B.S. or M.S. in Computer Science or equivalent degree/experience.
• Proven experience shipping production-quality mobile code on iOS and/or Android.
• Strong proficiency in Swift, Kotlin, or React Native.
• Experience working in fintech, crypto, or Web3 environments.
• Demonstrated ability to integrate AI tools to optimise workflows and drive measurable impact — e.g. efficiency gains, quality improvements.
• Ongoing AI skill development — prompt engineering, agent orchestration, staying current with emerging AI technologies.
• Experience communicating technical concepts to non-technical audiences.

Nice to Haves

• Familiarity with DeFi protocols, wallet integrations, or on-chain data.
• Experience contributing to open source projects or shared code repositories.
• Active participation in the developer community (blogs, GitHub, Stack Overflow, etc.).
• Experience in highly collaborative, fast-paced environments.
• Experience adhering to responsible, ethical AI practices (e.g. risk assessment, bias mitigation).

Benefits

• L&D programs and Education subsidy for employees' growth and development.
• Wellness and meal allowances.
• Comprehensive healthcare schemes for employees and dependants.

Salary

The salary range for this position is $223,611.00 to $268,333.00.

Equal Opportunity Employment

OKX is committed to equal employment opportunities regardless of race, color, genetic information, creed, religion, sex, sexual orientation, gender identity, lawful alien status, national origin, age, marital status, and non-job related physical or mental disability, or protected veteran status. Pursuant to the San Francisco Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records.