Senior/Staff Software Engineer, Mobile Trading

Okx; San Jose (CA); Sur place; USD 224 000 - 322 000; Plein temps

Avantages offerts par ce poste

Competitive total compensation package

L&D programs and Education subsidy

Team events and wellness support

Healthcare schemes for employees and/’

Résumé du poste

OKX is seeking a Mobile Engineer for the Trading team to design and build end-to-end mobile systems for iOS and Android, delivering scalable crypto trading experiences. You will work at the intersection of finance and technology, applying AI tools to accelerate development and improve quality.

The role requires strong Swift/Kotlin/React Native skills and prior production mobile code shipping in fintech or crypto contexts, with a focus on maintainability and cross-functional collaboration.

Qualifications

• Proven experience shipping production mobile code on iOS/Android.
• Strong proficiency in Swift, Kotlin, or React Native.
• Experience in fintech, crypto, or Web3 environments.
• Experience integrating AI tools to optimize workflows.
• Ongoing AI skill development and prompt engineering.
• Ability to communicate technical concepts to non-technical audiences.

Responsabilités

• 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.

Connaissances

Swift

Kotlin

React Native

Fintech experience

AI workflow optimization

Prompt engineering

Communication

Formation

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

Description du poste

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:

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

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).

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!

OKX Statement

• The salary range for this position is $223,611.00 to $321,999.00.
• The salary offered depends on a variety of factors, including job-related knowledge, skills, experience, and market location. In addition to the salary, a performance bonus and long-term incentives may be provided as part of the compensation package, as well as a full range of medical, financial, and/or other benefits, dependent on the position offered.

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.

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.