Kotlin Jobs in Web3

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

As a Business engineer on our 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. 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

What You’ll Be Doing 

Understand and apply knowledge of crypto products, blockchain technologies, and market dynamics to deliver solutions at scale Independently identify stakeholders and align cross-functional partners toward completion of project goals Break down complex engineering projects into executable tasks and partner with all applicable teams Design and build end-to-end mobile systems, from architecture to launch strategy Ship production-quality code with an emphasis on long-term maintainability, in partnership with reviewers, with relevant documentation and test coverage Conduct code reviews and provide constructive feedback; action feedback from reviews of your own code promptly Build relationships with internal stakeholders; share project updates and influence decision-making through data-driven insights Serve as a subject matter expert within the mobile engineering team and provide consultation on domain-level projects 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 Experience working in fintech, crypto, or Web3 environments Experience communicating technical concepts to non-technical audiences Demonstrated ability to integrate AI tools to optimize 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

Nice to Haves

Proven experience shipping production-quality mobile code (iOS and/or Android) Strong proficiency in Swift, Kotlin, or React Native 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: 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.  

The salary range for this position is $180,000 to $320,000.

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. Applicants should apply via OKX internal or external careers site.

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.