About this role

As a Quantitative Trader at Bayse, you will be responsible for trading strategy execution, market making, and liquidity performance across our prediction markets. You will work on pricing, spreads, inventory/risk management, execution logic, and market behavior, helping ensure our markets are liquid, efficient, and reliable.

This is a high-impact role at the core of a trading product. You will be hands-on with live market data, deeply analytical, and comfortable making fast, high-quality decisions under uncertainty. You will also work closely with product and engineering to improve trading infrastructure, execution quality, and market performance over time.

Key Responsibilities

• Market making and liquidity execution: Run and improve trading and market making strategies across prediction markets, with a focus on spreads, depth, fill quality, and continuous liquidity.
• Pricing and quote management: Develop and refine pricing logic and quoting behavior based on market probabilities, volatility, inventory, and event-driven information.
• Risk and inventory management: Manage exposure across markets, monitor inventory risk, and adjust strategies to maintain healthy risk limits and capital efficiency.
• Execution and performance optimization: Monitor execution quality, slippage, adverse selection, and quote performance, and continuously improve strategy performance.
• Market monitoring and response: Track live market activity, identify inefficiencies or abnormal behavior, and respond quickly to protect market quality and trading performance.
• Strategy research and improvement: Backtest and evaluate new trading ideas, execution logic, and parameter changes, and deploy improvements based on data.
• Trading analytics and reporting: Build and maintain dashboards for P&L, spread capture, fill rates, inventory, exposure, and market quality metrics.
• Collaboration with product and engineering: Work with product and engineering to improve trading tools, market infrastructure, monitoring systems, and execution workflows.
• Integrity and anomaly detection: Help identify manipulation patterns, suspicious activity, or market behavior that may distort pricing or execution.
• Documentation and playbooks: Document strategy logic, trading rules, risk limits, and operational procedures to ensure consistency and reliability.

About You

• 2+ years experience in a quantitative trading, market making, or trading-focused quantitative role, ideally in fintech, exchanges, sports/crypto markets, or other market-driven products.
• Strong understanding of market microstructure, execution quality, spreads, inventory risk, and trading performance metrics.