Quant - Risk | Propr.xyz

Propr.xyz is building a new Operating System for prop firms, helping them leverage blockchain technology to make them more efficient. We enable prop firms to leverage perpetual futures on Hyperliquid, prediction markets, and spot assets. We are actively deploying our technologies to the largest prop firms in the world. The pace is intense, but the journey is exciting. We only hire A-players. You need to be exceptional. Responsibilities Support and enhance the real-time risk engine processing 10k+ position updates/second across perpetuals, spots, and prediction markets. Design and implement risk metrics: portfolio VaR, stress VaR, expected shortfall, Greeks aggregation, cross-asset correlations. Build position limit frameworks: notional caps, delta limits, concentration limits, leverage constraints, drawdown thresholds. Develop statistical models for tail-risk scenarios: fat-tailed distributions, regime switching, correlation breakdowns. Implement margin calculation engines: cross-margining logic, liquidation price models, maintenance margin monitoring. Work closely with trading infrastructure team to ensure <50ms P99 latency for risk calculations on critical paths. Create real-time dashboards and alerting systems: exposure heatmaps, PnL attribution, limit breaches, anomaly detection. Backtest risk models against historical liquidation events and high-volatility periods to validate accuracy. Design circuit breakers and kill switches for extreme market conditions or system a