Principal Mobile Engineer (iOS)

Posted 9 Days Ago
Be an Early Applicant
San Jose, CA
Senior level
Financial Services
The Role
Drive the development of iOS features for the OKX mobile app, focusing on performance, security, and maintainability. Lead architecture decisions and collaborate with backend, design, and product teams. Enhance social trading experiences and work on fintech payment solutions. Advocate for agile methodologies and maintain high-quality documentation.
Summary Generated by Built In

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 MeDo 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.

About The Opportunity 

Join us in shaping the future of crypto investing! You'll be at the forefront of building innovative features that enhance the trading experience, from market insights and seamless transactions to social trading and cutting-edge Web3 integrations. If you're passionate about creating the best investment journey for crypto users, this is the place for you.

What You’ll Be Doing

  • Drive iOS feature development (Swift/Objective-C) for our native mobile app, ensuring performance, security, and maintainability.
  • Lead architecture decisions and cross-functional collaborations spanning backend, design, product, and security teams.
  • Work on fintech payment channels (on-/off-ramp solutions) with global reach, ensuring compliance and user-friendly flows.
  • Enhance our social trading experience, integrating user feedback, real-time analytics, and social engagement insights.
  • Collaborate with distributed global engineering teams to deliver high-quality, scalable software solutions.
  • Advocate for agile methodologies (TDD, CI/CD, Scrum) and continually refine our engineering best practices.
  • Maintain high-quality technical documentation and improve efficiency in cross-office/timezone cooperation. 

What We Look For In You 

  • 6+ years in iOS development (Swift, Objective-C) with a deep grasp of iOS SDK, networking layers, MVVM architecture and clear design patterns.
  • 10+ total years in software engineering, preferably leading complex, high-scale consumer apps.
  • Experience building solutions for global user bases, focusing on performance optimization and reliability.
  • Familiarity with financial or crypto platforms (high concurrency, security, compliance) is a big plus.
  • Ability to thrive in a collaborative, global environment with cross-time-zone communication.
  • Open to hybrid in-office/remote schedules if based in the Bay Area (San Jose).

Nice to Haves

  • Expertise in performance tuning for large-scale mobile applications.
  • Tech Lead experience driving engineering initiatives and mentoring teams.
  • Passion for crypto, blockchains, and the future of decentralized finance.
Perks & Benefits
  • Competitive total compensation package

  • L&D programs and Education subsidy for employees' growth and development

  • Various team building programs and company events

OKX Statement

The salary range for this position $278,000 to $328,708. 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 Okcoin and 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 for employment qualified applicants with arrest and conviction records.


 

Top Skills

Objective-C
Swift
The Company
Dublin, Dublin
1,073 Employees
Remote Workplace
Year Founded: 2017

What We Do

Founded in 2017, OKX is one of the world’s leading cryptocurrency spot and derivatives exchanges. OKX innovatively adopted blockchain technology to reshape the financial ecosystem by offering some of the most diverse and sophisticated products, solutions, and trading tools on the market. Trusted by more than 20 million users in over 180 regions globally, OKX strives to provide an engaging platform that empowers every individual to explore the world of crypto.

In addition to its world-class DeFi exchange, OKX serves its users with OKX Insights, a research arm that is at the cutting edge of the latest trends in the cryptocurrency industry. With its extensive range of crypto products and services, and unwavering commitment to innovation, OKX’s vision is a world of financial access backed by blockchain and the power of decentralized finance.

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