Experience

Building market making infrastructure for prediction markets, supporting high-frequency order flow, liquidity provisioning, and position management across active contracts.

• Building market making infrastructure for prediction markets: high-frequency order flow, liquidity provisioning, and position management across active contracts
• Built a cross-platform arbitrage signal engine ingesting real-time pricing from Polymarket, Kalshi, and Gemini to detect and surface actionable mispricings

Shipped backend features in Go and Scala across Gemini's crypto exchange and credit card ecosystem, serving a global user base across multiple regions.

• Owned credit card delivery tracking end-to-end, building a Scala REST API client and configuring Webhook listeners to stream real-time shipment status into the platform
• Engineered third-party merchant card-switcher integration in Scala (SDK + REST API handlers + Webhook support), driving a 30% lift in card spend

Delivered full-stack analytics dashboards with React, Node.js, and Python for real-time executive decision-making. Optimized backend services and built automated test coverage.

• Reduced API response times 25% and server costs 15% under peak load
• Cut production bugs 30% via automated testing with Jest and Selenium

Built a high-throughput logging microservice in Java and AWS Lambda processing 20M+ events/day, cutting debugging time across multiple engineering teams.

• Processed 20M+ events/day, reducing internal debugging time 35%
• Improved log retrieval latency 60% under peak load via DynamoDB and S3 integration