Software Engineer, Mobile(iOS)

OKX; Singapore; On-site; SGD 90,000 - 180,000; Full time

Benefits offered by this job

L&D subsidy

Wellness and meal allowances

Healthcare coverage for employees and/

Team events and company-wide programs

Job summary

OKX is seeking a talented Mobile Engineer to design, build, and maintain high-performance native iOS applications powering core user experiences. You will collaborate with cross-functional teams to solve technical challenges at scale.

You will drive architectural decisions, ensure code quality, and apply AI coding tools to streamline development while improving performance and reliability across global users. This role is onsite in Singapore with strong growth potential.

Qualifications

• Proven track record building production native iOS apps.
• Strong knowledge of mobile system design and performance.
• Ability to apply AI coding tools in workflows for productivity.
• Own end-to-end features from concept to delivery.

Responsibilities

• Build & scale native iOS features used by millions of users.
• Architect core mobile systems including API design and performance.
• Collaborate with Product, Design and Backend to translate requirements.
• Ensure code quality, testing, security and monitoring standards.
• Integrate AI tools to create repeatable development workflows.
• Modernize engineering tooling with CI/CD and automation.

Skills

iOS development

Mobile architecture

AI tooling in workflow

End-to-end ownership

Tools

Fastlane

GitHub Actions

Xcode Cloud

Job description

OKX will be prioritising applicants who have a current right to work in Singapore, 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

We are looking for a talented Mobile Engineer to join our engineering team. In this role, you will design, build, and maintain high-performance native iOS applications that power core user experiences. You will collaborate with cross-functional teams to solve technical challenges at scale, write resilient code, and help maintain high engineering standards.

What You'll Be Doing

• Build & Scale Native Mobile Apps: Design, develop, and maintain modular, reliable native mobile features (iOS) used by millions of global users.
• Architect Core Systems: Drive technical decision-making on mobile architecture, API design, performance optimization, and offline/network resiliency.
• Collaborate Cross-Functionally: Partner closely with Product Management, Design, and Backend Engineering to translate complex user and commercial requirements into intuitive, reliable mobile experiences.
• Ensure Quality & Rigor: Write clean, testable, and maintainable code while maintaining high engineering standards for code reviews, testing, security, and monitoring.
• Integrate AI Workflows: Apply AI coding tools actively in your workflow—not only for code generation, but also to build and maintain repeatable personal AI development workflows.
• Modernize Engineering Tooling: Leverage modern development tools, automated CI/CD pipelines, and productivity workflows to maintain rapid iteration speeds.

What We Look For In You

• Solid software engineering fundamentals with hands-on experience building, shipping, or maintaining production native iOS applications
• Strong understanding of mobile system design, clean architecture, memory management, testing, and performance tuning.
• Ability to actively apply AI coding tools in your workflow and continuously optimize personal engineering productivity.
• Problem-solving mindset with the ability to take ownership of end-to-end features and drive execution independently.

Nice-To-Haves

• Experience with CI/CD pipelines for mobile delivery (e.g., Fastlane, GitHub Actions, Xcode Cloud).
• Familiarity with analytics, feature flagging, and experimentation/A/B testing frameworks.
• Experience maintaining or contributing to shared mobile frameworks or design systems.
• Proficiency in speaking, reading and writing in both English and Mandarin to collaborate effectively with global and cross-functional team members.

Benefits

• 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!

#LI-ML1 #LI-ONSITE

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 .