Software Engineer, Mobile, Web3

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

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 optimisation and maximise 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 customised 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!

Notice

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.

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