Prediction Markets Quant Trader & Builder, Systematic Desk

Mondrian Alpha; New York (NY); On-site; USD 150,000 - 280,000; Full time

Job summary

Mondrian Alpha is building a new trading desk focused on prediction markets, pricing events, and executing live trades on platforms such as Polymarket and Kalshi. You will help shape which markets are traded, how models are built, and who joins the desk.

The role suits individuals with 1–10 years of experience, a strong math or CS background, and an interest in prop or systematic trading. You’ll contribute to a small team with significant ownership and influence over the desk’s future.

Qualifications

• 1 to 10 years of experience, flexible for the right person.
• Trading prediction markets or building models to price them.
• Strong math or computer science foundation.
• Prop trading or systematic background is a big plus.
• Wants ownership and a say in how the desk is built, and is comfortable in a small team.

Responsibilities

• Price the outcome of events and trade them live on platforms like Polymarket, Kalshi, and others.
• Depending on strengths, build pricing models, execution and risk tooling, or run the book.

Skills

Mathematics

Computer Science

Pricing models

Quantitative analysis

Prop trading

Education

BSc in Mathematics/CS

Job description

Mondrian Alpha is building a new trading desk focused on prediction markets, pricing events, and executing live trades on platforms such as Polymarket and Kalshi. You will help shape which markets are traded, how models are built, and who joins the desk.

The role suits individuals with 1–10 years of experience, a strong math or CS background, and an interest in prop or systematic trading. You’ll contribute to a small team with significant ownership and influence over the desk’s future.