Software Engineer, Mobile(iOS)

Okx

Singapore

Who this role is best for

Strong fit for iOS developers who build and maintain native mobile apps in a collaborative, high-performance environment.

Best fit for

iOS developers with a track record of delivering scalable, high-performance apps for global audiences
— “design, develop, and maintain modular, reliable native mobile features (iOS) used by millions of global users”
Candidates who can independently drive technical decisions and optimize engineering productivity
— “Ability to actively apply AI coding tools in your workflow and continuously optimize personal engineering productivity”
Engineers comfortable with cross-functional collaboration and translating complex requirements into user experiences
— “Partner closely with Product Management, Design, and Backend Engineering to translate complex user and commercial requirements into intuitive, reliable mobile experiences”

Things to consider

Visa sponsorship is not available, so candidates must already have the right to work in Singapore
— “OKX will be prioritising applicants who have a current right to work in Singapore”
The role requires proficiency in English and Mandarin for effective global team collaboration
— “Proficiency in speaking, reading and writing in both English and Mandarin to collaborate effectively with global and cross-functional team members”

How to stand out

Highlight experience with performance optimization and offline/network resilience in mobile apps
— “Architect Core Systems: Drive technical decision-making on mobile architecture, API design, performance optimization, and offline/network resiliency”
Demonstrate a history of writing clean, testable, and maintainable iOS code
— “Write clean, testable, and maintainable code while maintaining high engineering standards”
Showcase integration of AI tools into your development workflow and productivity practices
— “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”
Emphasize your ability to take ownership of end-to-end features and deliver independently
— “Problem-solving mindset with the ability to take ownership of end-to-end features and drive execution independently”

Pace · Fast PacedCollaboration · HighAutonomy · MediumDecision Impact · Team

Derived from job-description analysis by Serendipath's career intelligence engine.

What success looks like

design, develop, and maintain high-performance native ios applications
drive technical decision-making on mobile architecture
collaborate with cross-functional teams to solve technical challenges
write clean, testable, and maintainable code
integrate ai workflows

Typical background

production native ios application experiencemobile system designclean architecture

Skills & requirements

Required

Ios DevelopmentNative Mobile FeaturesMobile ArchitectureApi DesignPerformance OptimizationOffline/network ResiliencyClean CodeCode ReviewsTestingSecurityMonitoringAi Coding Tools

Preferred

Ci/cd PipelinesAnalyticsFeature FlaggingExperimentation/a/b TestingShared Mobile FrameworksDesign SystemsMandarin

Stack & domain

Ios DevelopmentMobile System DesignClean ArchitectureMemory ManagementTestingPerformance TuningAI Coding ToolsProblem-solvingCollaborationCommunicationCryptoFinance

About the role

Original posting from Okx via Greenhouse

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.
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!
#LI-ML1 #LI-ONSITE
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: Okx careers (Greenhouse)