Gemini Trust Company, LLC logoGemini Trust Company, LLC logo

Senior Mobile Software Engineer - Predictions Team

Gemini Trust Company, LLCNew York, New York
Hybrid Full-time $140K/yr - $200K/yr

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Experience Level

Senior

Qualifications

Key Responsibilities:Develop and maintain the complete mobile trading experience for Predictions, including market exploration, order execution, portfolio displays, and settlement processes. Design and implement a high-performance, real-time user interface for streaming market data (order book, price charts, position P&L) utilizing advanced React Native techniques (TurboModules, JSI, native navigator integration). Work alongside backend developers to integrate gRPC and WebSocket functionalities that support live trading platforms. Create and maintain reusable, well-tested UI components utilized across Predictions and the broader Gemini mobile ecosystem. Collaborate with product and design teams to define mobile-specific user experiences for new contract categories (weather, economics, crypto, sports) and innovative features like combo and range contracts. Independently assess and implement solutions, making informed architectural choices and trade-offs.

About the job

About Gemini

Founded in 2014 by Cameron and Tyler Winklevoss, Gemini is a leading global platform in the cryptocurrency and Web3 space. Our offerings range from user-friendly crypto products to sophisticated services catering to both individuals and institutions across more than 70 countries. We are dedicated to unlocking a new era of financial, creative, and personal freedom by providing secure and reliable access to the decentralized future. Our vision is to reshape the global financial system and the internet through cryptocurrency, fostering greater choice, independence, and opportunity for everyone. As a publicly traded entity, Gemini is well-positioned to expand our impact and reach.

The Predictions Department

The Role: Senior Mobile Software Engineer

Join our Predictions team as a Senior Mobile Engineer, where you will take charge of enhancing the mobile interface for Gemini’s CFTC-regulated prediction markets exchange. Your responsibilities will include developing and deploying trading interfaces for event contracts within Gemini's React Native application. You will collaborate closely with product managers, designers, backend engineers, and compliance teams to introduce new contract types (including binary, range, and combo contracts) on mobile, while driving user activation and retention for our expanding product line.

This position requires you to be present in our New York City office two times a week.

About Gemini Trust Company, LLC

Gemini is a pioneering company in the cryptocurrency sector, dedicated to creating a trustworthy and secure environment for trading digital assets. With a commitment to compliance and customer protection, Gemini provides a user-friendly platform that bridges the gap between traditional finance and the emerging cryptoeconomy.

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