Software Engineer, Mobile

About the Company

Kalshi has defined a new category: prediction markets. Kalshi allows people to trade on the outcome of any events and turn any question about the future into a financial asset. Kalshi is currently the fastest growing financial market in America, with thousands of markets across politics, economics, financials, weather, tech, AI, culture and more.

Responsibilities

• Own the development and evolution of Kalshi’s mobile application, including quality, performance, and user experience
• Design, build, test, and ship customer-facing mobile features end to end
• Build and maintain a production-grade mobile application using Flutter
• Collaborate with product and design partners to translate business needs into technical solutions
• Architect user interfaces, manage application state, and integrate with backend APIs
• Make software architecture decisions that support long-term scalability and reliability
• Mentor and support other mobile engineers as the team grows

Requirements

• 5+ years of industry experience building customer-facing software
• Strong mastery of Flutter and experience shipping production-grade mobile applications
• Hands-on experience with push notifications, biometric authentication, and device-level integrations
• Strong technical fundamentals in application architecture, state management, and API-driven systems
• Ability to own work end to end from design through deployment
• Comfort operating in a fast-paced, scaling environment

Preferred Qualifications

• Experience with React or React Native