Senior/Staff iOS Developer

OKX; Singapore; On-site; SGD 60,000 - 90,000; Full time

Job summary

A leading cryptocurrency exchange is seeking a Mobile Software Engineer to build and maintain core applications with millions of daily active users. You will collaborate with cross-functional teams to deliver high-quality features while optimizing performance and addressing customer needs. This role offers the opportunity to explore mobile technology in a fast-growing financial ecosystem.

Qualifications

• Experience in native iOS/Android development or cross-platform solutions.
• Fluent in one of Java, Objective-C, Swift, Kotlin, or JavaScript.
• Understanding of data structures and algorithms.

Responsibilities

• Develop new features for iOS and Android apps as part of a global mobile team.
• Optimize performance and maximize customer satisfaction.
• Collaborate with design and product teams to implement scalable features.

Skills

iOS development

Android development

ReactNative

Flutter

Java

Objective-C

Swift

Kotlin

JavaScript

data structures

algorithms

Job description

About OKX:

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.

About the team:

As a mobile software engineer, you will build and maintain a core OKX app with millions of daily active users. You will work cross-functionally with design, product and other engineering teams to identify customer needs, and ship high-quality new features through fast iterations. This is an opportunity to learn the full life cycle of crypto mobile applications including pro/retail trading, asset management and wallet.

Responsibilities:

• Part of a global mobile team, developing new features for the all-in-one iOS and Android apps.
• Strive for performance optimization and maximize customer satisfaction.
• Stay on top of industry trends, and evaluate new solutions to address our unique and fast-growing business needs.
• Work closely with design and product teams, and turn design ideas into quality features that scale to millions of users.
• Collaborate with global development teams, and deliver customized solutions targeting international users while maintaining consistency with the overall architecture.
• Maintain high-quality technical documentation and improve efficiency in cross-office/timezone cooperation.

Requirements:

• Experience in either native iOS/Android development, or cross-platform solutions like ReactNative/Flutter/Lua.
• Fluent with at least one of the following languages: Java/Objective-C/Swift/Kotlin/JavaScript.
• Understanding of common data structures and algorithms.
• Embrace agile development process including TDD, CI and Scrum.
• Passionate about mobile technology and building applications for a large user base