Senior Frontend Engineer - Mobile

Hashflow • Full-time • Remote (Remote) • 5d ago

About Hashflow Hashflow powers one of DeFi’s largest RFQ liquidity sources, facilitating over $25 billion in volume through professional market makers to ensure guaranteed pricing and protection against MEV exploits. Hashflow is building the next generation interface for trading: AI-native, mobile-native, and asset-agnostic from day one. Whether it's crypto, equities, or beyond, Hashflow will simplify the entire trading experience into a single intelligent conversation — setting a new standard for human-market interaction. If you can say it, you can trade it.

Role Overview We’re looking for a Senior Mobile Engineer to help bring this next-generation trading experience to life. This role is ideal for someone excited about building elegant, high-performance mobile apps — translating cutting-edge financial technology into a user experience that feels intuitive, fast, and seamless. You’ll work closely with product, design, and backend teams to build and ship native mobile applications across iOS and Android.

Key Responsibilities

Develop iOS / Android apps powering the next generation of financial software
Work cross-functionally with stakeholders in order to architect the best-in-class user experience.
Leverage world class security best practices
Instrument observability in order to ensure a high level of product quality

Requirements

5+ years of experience developing native mobile apps
3+ years of experience with React Native
Experience with Expo
Experience with Swift
Experience with Android Studio
Experience deploying and shipping iOS and Android apps to customers
High computer science problem solving skills

Bonus:

Experience with interacting with blockchains
Experience designing APIs
Experience with scripting

Tech Stack

React Native
Expo

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