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# Senior iOS Engineer, Futures

- **Company:** Flex Technologies, Inc.
- **Location:** United States (Remote available)
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Flutter, Clean Code Principles, Application Programming Interfaces (APIs), IOS Applications, Apple IOS, Computing Platforms, Software Design Patterns, Digital Architecture, Digital Assets, Memory Management, Blockchain, Software Engineering, Uikit, Multithreading, Ios Frameworks, Binance, Kotlin, Web3.js, Multiplatform
- **Published:** September 5, 2026
- **Apply:** https://arc.dev/remote-jobs/j/redirect/pho6hbc1xe

## About the Role

Binance seeks an experienced iOS Developer to create and maintain advanced applications for its leading cryptocurrency exchange. Key responsibilities include designing app architecture, developing core features, optimizing user experience, and collaborating with cross-functional teams. Essential qualifications are 5-15 years of iOS development experience, proficiency in Swift and UIKit, and a strong understanding of iOS UI architecture, memory management, and multi-threading. Additional skills in cross-platform technologies and experience with payment/finance apps are advantageous. Candidates should possess excellent communication, teamwork, and problem-solving abilities. Join Binance to shape the future of blockchain, work with top talent, and enjoy a results-driven environment with career growth opportunities., * 5 to 15 years of experience in iOS app development, with proficiency in Swift and UIKit.

 * Comprehensive understanding of iOS UI architecture, UIKit, iOS system, memory management, multi-threading, and app launch flow.
 * Strong understanding of common design patterns and good coding practices.
 * Experience with cross-platform development technologies (e.g., mini programs, Flutter, Kotlin Multiplatform) is a plus.
 * Significant experience in software development, including third-party libraries and APIs.
 * Excellent communication, teamwork, and problem-solving skills.
 * Interest in cryptocurrency and experience with payment/finance-related apps is a plus.

## Description

* Trusted by over 300 million people in 100+ countries for security, transparency, speed, liquidity, and a diverse portfolio of digital-asset products.
 * Offers services in trading, finance, education, research, payments, institutional services, Web3, and more.
 * Aims to build an inclusive financial ecosystem using digital assets and blockchain to enhance financial freedom and access globally.

Key Responsibilities

 * Create and maintain advanced applications for the Binance exchange on the iOS platform.
 * Design architecture and develop features for core app modules.
 * Optimize the app user experience on iOS.
 * Balance high response, stable, and efficient code with attractive and functional aesthetics.
 * Collaborate with cross-functional teams to define, design, and ship new features.
 * Promote robust, maintainable code, clear documentation, and deliver high-quality work.


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