Lead QA for trading and analytics products: design and run functional, integration, API, UI, regression, and end-to-end tests; validate trading logic (orders, PnL, margin, fees, liquidations); test real-time data/WebSockets, dashboards, and data consistency; create test plans and automation, investigate production incidents, and improve QA processes.

Lead product development for payment and custody aggregation: design aggregator architecture, define integration and transaction flows, manage provider onboarding/configuration, ensure observability and operational readiness, define compliance/risk requirements, produce product docs, and coordinate cross-functional delivery.

The Senior .NET Backend Developer will design and develop backend services for a cryptocurrency exchange, focusing on high-frequency trading and secure transaction processing.