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Join OKX as a Senior Staff Mobile Engineer to develop and scale the OKX app for millions of users. Collaborate with global teams to deliver high-quality features and optimize performance in a fast-paced environment.
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.
- Develop new features for the OKX all-in-one iOS and Android app as part of a global mobile team.
- Design and build scalable mobile systems from architecture decisions through to production launch.
- Drive performance optimisation across the app, with a relentless focus on user experience and reliability at scale.
- Work closely with product and design teams to translate ideas into high-quality, user-facing features.
- Collaborate with international development teams to deliver localised solutions while maintaining architectural consistency.
- Apply AI coding tools to accelerate development, improve code quality, and cross-translate solutions across iOS and Android platforms.
- Stay current with mobile industry trends and evaluate new technologies to address fast-evolving business needs.
- Maintain high-quality technical documentation and contribute to efficient cross-office and cross-timezone collaboration.
- Mentor engineers across the team and contribute to a culture of technical excellence and ownership.
- 8+ years of native iOS or Android development experience, with a strong track record of shipping production-quality mobile code at scale.
- Deep expertise in either iOS (Swift/Objective-C) or Android (Kotlin/Java), with confidence contributing across both platforms.
- Actively uses AI tools in your engineering workflow — including building AI-leveraged workflows, curating domain knowledge bases, and codifying repeatable agent skills so tools like Claude Code or Codex deliver reliably on real production work.
- Solid understanding of common data structures, algorithms, and mobile performance optimisation techniques.
- Comfortable with agile development practices including TDD, CI/CD, and Scrum.
- Strong communication skills — able to collaborate effectively across global, cross-functional teams and articulate technical trade-offs clearly.
- Passionate about mobile technology and motivated by building experiences for a large, global user base.
- 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!
3 DeFi teams messaged me in 5 days
AI profile matched me perfectly
2 interviews in my first week
Hired in 9 days, no cold apps
Best web3 board, period
3 DeFi teams messaged me in 5 days
AI profile matched me perfectly
2 interviews in my first week
Hired in 9 days, no cold apps
Best web3 board, period
CV to offer in 11 days
DAO found me, not the other way
Passive search actually works here
Got 5 messages in first week
Only board I recommend now
CV to offer in 11 days
DAO found me, not the other way
Passive search actually works here
Got 5 messages in first week
Only board I recommend now
