Software Engineer

Gemini is a global crypto and Web3 platform founded by Cameron and Tyler Winklevoss in 2014, offering a wide range of simple, reliable, and secure crypto products and services to individuals and institutions in over 70 countries.

• Build and maintain mobile trading experiences end-to-end: market browsing, order placement, portfolio views, and settlement flows — across React Native and native iOS/Android.
• Architect performant, real-time UI for streaming market data (orderbook, price charts, position P&L), choosing the right mobile approach for the job.
• Extend core trading UI components to web (React/TypeScript) where the platform needs shared or cross-surface functionality.
• Collaborate with backend engineers on gRPC, WebSocket, and FIX integrations that power live trading; take on backend contributions (Go, Java, or Scala) as scope requires.
• Partner with product and design to shape UX for new contract categories (crypto, equities, prediction markets) across mobile and web.
• Scope and implement solutions independently, making informed architecture and platform tradeoffs.
• Own projects end to end — design through delivery — working cross-functionally with product managers and stakeholders.

• 6+ years of software engineering experience, including significant production mobile experience.
• Strong proficiency in TypeScript, and strong proficiency in Swift and/or Kotlin.
• Experience building real-time, data-intensive UIs (trading, dashboards, live feeds).
• Comfort picking up backend work in Go, Java, Scala, or similar as needed — full-stack curiosity over rigid specialization.
• Understanding of communication protocols: FIX, WebSocket, REST, gRPC, or GraphQL.
• Independent decision maker able to act decisively based on domain expertise.

• Comprehensive health plans covered at 100% for employees and dependents
• Long-term incentive in the form of a new hire equity grant
• Paid Parental Leave
• Competitive paid time off
• In Singapore, we have a hybrid work policy.