O
RWA Job

Software Engineer, Mobile, Web3

OKX
Hong Kong, Hong Kong SARPosted 2mo ago

About this role

RWA Signal Brief

This role involves developing and scaling mobile features for the OKX exchange and wallet app, which serves millions of users globally. You will collaborate across departments to build interfaces for trading, asset management, and dApp interaction. The position emphasizes integrating AI-driven workflows into the mobile engineering lifecycle to maintain high-performance, cross-platform applications.

  • Current right to work in Hong Kong without visa sponsorship
  • Proficiency in Java, Objective-C, Swift, Kotlin, or JavaScript
  • Experience with native iOS/Android or cross-platform frameworks like ReactNative
  • Proven ability to build AI-leveraged engineering workflows for production work
  • Strong grasp of common data structures and algorithms
Mobile DevelopmentWeb3AI EngineeringDeFiAgile DevelopmentBlockchain

Summary written by RWA Signal. The employer’s own description follows below.

About the role (from employer)

OKX will be prioritising applicants who have a current right to work in Hong Kong, and do not require OKX's sponsorship of a visa.

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 mobile software engineer, you will build and maintain a core OKX app with millions of daily active users. You will work cross-functionally with design, product and other engineering teams to identify customer needs, and ship high-quality new features through fast iterations. This is an opportunity to learn the full life cycle of crypto mobile applications including pro/retail trading, asset management and wallet. Join us in building the next generation of mobile-first Web3 experiences, empowering millions of users to seamlessly interact with digital assets, decentralized applications, and blockchain-powered services through secure and intuitive products.

What You’ll Be Doing 

  • Part of a global mobile team, developing new features for the all-in-one iOS and Android apps.
  • Strive for performance optimization and maximize customer satisfaction.
  • Stay on top of industry trends, and evaluate new solutions to address our unique and fast-growing business needs.
  • Work closely with design and product teams, and turn design ideas into quality features that scale to millions of users.
  • Collaborate with global development teams, and deliver customized solutions targeting international users while maintaining consistency with the overall architecture.
  • Maintain high-quality technical documentation and improve efficiency in cross-office/timezone cooperation.
  • Actively uses AI tools as a core part of your engineering workflow — not just for code generation, but for building repeatable workflows and bridging across stacks.

What We Look For In You 

  • Experience in either native iOS/Android development, or cross-platform solutions like ReactNative/Flutter/Lua.
  • Builds AI-leveraged engineering workflows, curating domain knowledge bases, harnessing context, and codifying repeatable agent skills/workflows, with AI tools like Claude Code/Codex deliver reliably on real production work.
  • Fluent with at least one of the following languages: Java/Objective-C/Swift/Kotlin/JavaScript.
  • Understanding of common data structures and algorithms.
  • Embrace agile development process including TDD, CI and Scrum.
  • Passionate about mobile technology and building applications for a large user base.

Nice-To-Haves 

  • Strong understanding of blockchain fundamentals, including wallets, smart contracts, tokens (ERC-20, ERC-721, ERC-1155), and decentralized applications (dApps).
  • Experience building or maintaining production-grade Web3, DeFi, NFT, GameFi, or digital asset applications.

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!


Please note that Hong Kong is a group-level service hub, and OKX does not carry on a business of operating a virtual asset trading platform in Hong Kong.

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.
Source & provenanceThis job is published by OKX on their own careers site (22 June 2026) and aggregated by RWA Signal.View original posting
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