Senior Software Engineer, Money

Gemini seeks Senior Software Engineer, Money. Salary $140,000–200,000. New York / Miami / Remote (USA). Own ledger, payments, and reconciliation infrastructure.

Gemini is a global crypto and Web3 platform founded by Cameron and Tyler Winklevoss in 2014, offering simple, reliable, and secure crypto products and services to individuals and institutions in over 70 countries. The Money Team owns the financial infrastructure that underpins every dollar and crypto asset that moves through Gemini — the ledger platform (system of record for all crypto and fiat balances, settlements, fees, rewards), the payments services, and the reconciliation pipelines that connect Gemini to banks, payment rails, and external partners. Responsibilities: - Design, develop, deploy, and support ledger and payments services that accurately record all crypto and fiat money movement across the platform - Build and evolve bank settlement and reconciliation pipelines that connect Gemini to external payment rails and banking partners - Apply sound engineering principles to identify correctness, consistency, and operational risks — and implement safeguards in software before they become incidents - Partner with finance, reconciliation, and treasury teams to understand real-world workflows and translate them into robust, auditable system behavior - Design scalable APIs and data models that support new transaction types, products, and regulatory requirements without increasing operational burden - Write well-tested, production-grade code that other critical systems depend on - Monitor and communicate the health of ledger and payment systems, proactively identify issues, and participate in incident response and remediation - Mentor teammates; participate in on-call rotations as needed

Minimum Qualifications: - 5+ years of experience building backend systems in a production environment - Strong experience designing and operating distributed, stateful systems where data integrity is critical - Proficiency in at least one backend language — we primarily use Scala and Go, but are open to candidates willing to learn - Experience with unit testing, integration testing, and CI/CD pipelines - Familiarity with cloud-based infrastructure (AWS, GCP, or Azure) - Ability to reason about and debug complex system behavior across services and data stores - Strong communication skills and the ability to work effectively with cross-functional partners

Salary: $140,000–200,000 per year. Locations: New York / Miami / Remote (USA).