Principle Flutter Engineer

About Us

Established in 2018, Bybit is one of the world’s leading cryptocurrency exchanges and digital financial platforms, serving over 80 million users across more than 200 countries and regions. Powered by world-class technology and a user-first mindset, Bybit delivers a seamless ecosystem across trading, payments, wealth management, custody, institutional services, and Web3 — connecting users to the future of digital finance.   Our core values define how we build. We listen, care and improve to create products and experiences that put users first. Backed by a global team of ambitious builders, problem-solvers, and innovators, we foster a high-performance and fast-moving environment where talent is empowered to drive real impact at the global scale. Supported by 24/7 multilingual customer service and a strong commitment to innovation, we are shaping the future of finance through technology, collaboration, and bold execution.   Today, Bybit is recognized as one of the most trusted and transparent platforms in the digital asset industry, continuing to expand its global presence while building the infrastructure for the next generation of financial services.

Key Responsibilities

• Design architecture and drive business feature development and iteration for our core mobile applications (iOS & Android), ensuring high-quality product delivery.
• Work closely with Product Managers and UI/UX designers to accurately implement design mockups and deliver a premium, smooth user interaction experience.
• Lead Flutter-side performance optimization initiatives (e.g., rendering frame rate improvement, app size reduction, memory leak troubleshooting) to enhance overall app stability and loading speed.
• Independently handles hybrid development between Flutter and Native (iOS/Android) for specific business scenarios, and packages and maintains custom Plugins.
• Participate in code reviews, write high-quality, maintainable code, and drive mobile engineering best practices.

Requirements

• Deep understanding of Dart language features; proficiency in Flutter UI rendering mechanisms, Widget lifecycle, and various UI components.
• Solid experience with mainstream Flutter state management solutions (e.g., Provider, BLoC, Riverpod, or GetX).
• Familiar with Android (Java/Kotlin) or iOS (Objective-C/Swift) native development, with the ability to write Platform Channels effectively.
• Proficient with version control tools such as Git. Strong communication skills, a collaborative team player, and a strong curiosity for emerging technologies.

Why Join Us
At Bybit, we are committed to fostering a supportive and enriching work environment. 
Our benefits include:
- Study Growth Fund: We support your professional development and continuous learning.
- Internal Events: Participate in regular team-building activities, workshops, and events designed to promote collaboration and innovation.
- Global Collaboration: Be part of a diverse, international team, working alongside colleagues from around the world.
- Career Advancement: Access opportunities for growth and advancement within a rapidly expanding global company.
- Internal Mobility: Grow with us- Your long-term development is important to us. We offer internal job opportunities to help build your career path.