Real job — pulled straight from OKX’s careers page · Verified July 14, 2026 · No reposts.
Job description
OKX is hiring a Senior Software Engineer, Mobile — a full-time, based in Hong Kong, Hong Kong SAR role. Apply directly on OKX's careers page below.
Senior Software Engineer, Mobile, Core
Location: Hong Kong, Hong Kong SAR
Department: Engineering
Who We Are
About The Team
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.
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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.
- 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.
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Solid understanding of LLM fundamentals, Prompt Engineering, RAG, and core Agent concepts; proven practical experience delivering AI engineering solutions, including building complete AI workflows/pipelines from the ground up.
Nice-To-Haves
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Familiar with crypto trading / Web3 industry.
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Experience in leading a project team independently.
Perks & Benefits
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Competitive total compensation package
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L&D programs and Education subsidy for employees' growth and development
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Various team building programs and company events
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Wellness and meal allowances
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Comprehensive healthcare schemes for employees and dependants
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More that we love to tell you along the process!
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Frequently asked questions
What skills are required for Senior Software Engineer, Mobile at OKX?
The required skills for Senior Software Engineer, Mobile at OKX include: iOS, Android, Flutter, Java, Objective-C, Swift, Kotlin, JavaScript, Agile, Scrum, LLM, RAG.
What is the seniority level for Senior Software Engineer, Mobile at OKX?
Senior Software Engineer, Mobile at OKX is a Senior level position.
How do I apply for Senior Software Engineer, Mobile at OKX?
You can view the full description and apply for Senior Software Engineer, Mobile at OKX on EchoJobs: https://echojobs.io/job/okx-senior-software-engineer-mobile-core-q8xp0.