Summary

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Responsibilities

• Develop and maintain software primarily for Apple platforms for our exchange.
• Collaborate with cross-functional teams to define, design, test, and ship features.
• Troubleshoot issues, fix bugs, and improve application performance and reliability.
• This is an individual contributor role.

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Qualifications

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Common:

• Technical ability to design and implement feature intentions into reliable and efficient code.
• Strong programming, design, and development skills in Swift.
• Strong interest in soft/firm real-time applications and their optimizations.
• Enthusiastic Apple user with a keen understanding of what Apple users want, along with proper aesthetic sense and taste.
• Ability to work autonomously in distributed remote teams with asynchronous communication (near Seoul time zone).
• Ability to work in a Korean-speaking environment.
• Ability to communicate in English (at least in written form).
• Interest in learning some Rust.

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For Junior to Intermediate-Level Engineers:

• High energy and passion for iOS native app development to build great iOS apps.
• Experience with production and published commercial apps integrated with backend services.

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For Senior-Level Engineers:

• Exceptional programming, design, and development skills in Swift.
• Experience in production for large-scale published commercial apps.
• Expertise in building apps with complex and high-performance Apple native UI/UX.
• Deep understanding of Apple platforms and technologies.

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Preferred:

• Knowledge of financial derivatives products, exchange and trading platforms, blockchain, and software development.
• Intermediate proficiency in reading and understanding Rust code.

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Our Tech Stacks

• All Swift-based.
• Primarily using SwiftUI.
• Elm-like REPL structure.
• async/await/actor applied where appropriate.
• Modularized with SPM.
• Tested using XCTest (soon transitioning to "Swift Testing").
• Version control with GitHub.
• Packaged in Xcode.
• Built using Bitrise.
• Monitored with DataDog and Sentry.
• Rust is utilized in the backend and for several utilities.

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Hiring Process

1. Resume/CV submission
2. 1st round (Homework)
3. 2–4 technical interviews
4. The interview stages may be subject to change.

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