Staff iOS Engineer – Advanced Trading

Who We AreAt OKX, we believe that the future will be reshaped by Crypto, ultimately contributing to every individual's freedom. OKX began as a crypto exchange giving millions of people access to crypto trading and over time becoming among the largest platforms in the world. In recent years, we have developed one of the most connected Web3 wallets used by millions to access decentralized crypto applications (dApps). OKX is a trusted brand by hundreds of large institutions seeking access to crypto markets on a reliable platform that seamlessly connects with global banking and payments. In the last year, OKX has expanded into new markets including Australia, Brazil, Netherlands, Singapore and Turkey, with plans to launch in the US, Belgium and the UAE.We are deeply committed to shaping a fairer, more transparent and accessible society through blockchain technology. This is why we publish proof of reserves monthly, and continue to ship new innovative security features.About the OpportunityAs a Senior iOS Engineer at OKX, you will play a key role in creating an outstanding crypto investment experience for our users. You'll have the opportunity to work on innovative features such as trading markets, enhancing trading experiences, and developing social and Web3 functionalities for crypto enthusiasts. We are hiring at both the Senior and Staff levels, offering you the chance to make a significant impact while working on high-impact projects.What You’ll Be Doing Collaborate as part of our global mobile team to develop and enhance new features for our native iOS app.Focus on performance optimization and work to deliver a seamless user experience that maximizes customer satisfaction.Stay abreast of the latest industry trends and evaluate cutting-edge solutions that address our dynamic and fast-growing business requirements.Partner closely with design and product teams to transform creative design concepts into scalable features, catering to a global audience of millions.Work alongside global development teams to deliver tailored solutions for international users while ensuring consistency with the overall system architecture.Maintain comprehensive technical documentation and improve collaboration efficiency across different offices and time zones.What We Look For In You Experience: 5+ years in iOS mobile development with a strong grasp of Swift, iOS SDK, common design patterns, and a deep understanding of UIKit components.Technical Expertise: Extensive experience with the iOS networking layer, including sockets, TCP/IP, and HTTP protocols. Strong proficiency in Swift/Objective-C programming, coupled with a solid understanding of common data structures and network programming.Development Practices: A firm believer in agile methodologies, including TDD, CI, and Scrum.Passion for Technology: A genuine enthusiasm for mobile technology and a track record of building applications for a large user base.Collaborative Mindset: Proven ability to work effectively with cross-functional teams across different offices and time zones.Location Flexibility: For candidates based in the Bay Area, we offer a hybrid work schedule (2+3 or 3+2 in-office/WFH), with our office located in San Jose.Nice to HavesExperience with performance optimization for scalable mobile applications.A passion for cryptocurrency and a strong interest in the future of digital assets.Perks & Benefits Competitive total compensation packageL&D programs and Education subsidy for employees' growth and developmentVarious team building programs and company eventsOKX StatementThe base salary range for this position is $198,000 to $280,000. The salary offered depends on a variety of factors, including job-related knowledge, skills, experience, and market location. In addition to the salary, a performance bonus and long-term incentives may be provided as part of the compensation package, as well as a full range of medical, financial, and/or other benefits, dependent on the position offered. Applicants should apply via OKX internal or external careers site.OKX is committed to equal employment opportunities regardless of race, color, genetic information, creed, religion, sex, sexual orientation, gender identity, lawful alien status, national origin, age, marital status, and non-job related physical or mental disability, or protected veteran status. Pursuant to the San Francisco Fair Chance Ordinance, we will consider employment-qualified applicants with arrest and conviction records.