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Kalshi

Software Engineer, Mobile

New York Office$180k–$250kfulltimemidAdded 1 month ago

About this role

Kalshi seeks an experienced Mobile Engineer to lead the development and scaling of its Flutter-based trading application. You'll own the full lifecycle of mobile features—from architecture and design through deployment—while collaborating with product teams to deliver high-quality user experiences in a fast-growing financial technology platform.

What you'll do

  • Own development, quality, performance, and user experience of Kalshi's mobile application
  • Design, build, test, and ship customer-facing mobile features end to end
  • Build and maintain production-grade Flutter app with notifications and biometric authentication
  • Make software architecture decisions supporting scalability and reliability
  • Collaborate with product and design to translate business needs into technical solutions
  • Mentor other mobile engineers as the team grows and establish engineering standards

What they're looking for

  • Flutter development (5+ years production experience)
  • Mobile platform features (push notifications, biometric auth, device integrations)
  • Application architecture and state management
  • API-driven systems and backend integration
  • End-to-end ownership from design through deployment
  • Technical fundamentals and code quality discipline
  • Product-oriented mindset and collaboration
  • React/React Native (bonus)

Benefits

  • Base salary: $180,000–$250,000
  • Opportunity to scale impact as company grows
  • Meritocratic culture with deep ownership
  • Work on pioneering prediction markets technology
  • Collaborative environment with minimal hierarchy
  • Located in New York office
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Kalshi

Kalshi builds a prediction market trading platform and exchange infrastructure. The company is hiring frontend engineers, backend engineers, site reliability engineers, infrastructure engineers, and mobile engineers to scale its rapidly growing financial trading systems.

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Likely interview questions

  • Walk us through a production Flutter application you've built from scratch. How did you approach state management, and what architectural decisions would you make differently today?
  • Describe your experience implementing push notifications and biometric authentication in a mobile app. What challenges did you encounter and how did you solve them?
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