Key Skills

Job Description

Trader – ETFs Nine Mile Amsterdam, Netherlands Nine Mile is an electronic principal trading firm focused on market-making and arbitrage opportunities globally. Technology is at the forefront of our business, powering Nine Mile’s unified global trading platform and the micro-decisions required for successful trading. Nine Mile’s scale and efficiency allow us to be nimble, responding quickly to market opportunities and regulatory changes, whilst operating within a robust operational risk management framework. At our heart, it’s our people that power Nine Mile – our strategy, technology, and relationships. We are proud to have a team of highly motivated, intelligent individuals who strive to solve complex problems through creative, sophisticated technology in an open, meritocratic environment. The Role Join Nine Mile as a Trader and help establish our Amsterdam office. This is an early hire into a new location, with scope to shape the desk and drive the firm’s growth and expansion from the ground up. We are looking for smart, driven traders with ETF experience. Key responsibilities include: Developing and executing ETF market-making and arbitrage strategies Applying advanced ETF pricing models, fair value calculation, and NAV estimation Managing basket risk and tracking error, factoring in dividends, index rebalances, corporate actions, and underlying liquidity Identifying and exploiting arbitrage opportunities between ETFs, their underlying baskets, futures, and related instruments Researching and developing new systematic trading opportunities across ETF markets Helping establish and scale the Amsterdam trading desk as the office grows Collaborating closely with the broader market-making team across offices Designing, implementing, and enhancing algorithmic trading strategies and execution tools Proactively engaging with regulators, issuers, exchanges, and brokers What You Will Bring 2+ years of relevant trading experience at a High-Frequency Trading or Market Making firm, with ETF trading experience Strong knowledge of ETF mechanics, pricing, NAV calculation, index replication, creation/redemption flows, and arbitrage strategies Proficiency in Python Highly advanced capability in probability and statistics Excellent numerical, analytical, and problem-solving skills A genuine passion for financial markets, particularly systematic and quantitative trading Strong academic record in Mathematics, Engineering, Physics, Econometrics, Computer Science, or a related discipline Appetite to help build something from the ground up in a new office Our Culture At Nine Mile, we operate in a highly competitive and dynamic environment. Our success depends not only on our vision, technology, and strategies, but on the people who bring them to life every day. We foster a culture that rewards open interaction, rigorous problem-solving, creativity, and teamwork. We believe helping others succeed is as important as individual achievement. Challenge your ideas. Work with us.

Core Responsibilities

Develop and execute ETF market-making, arbitrage, and systematic trading strategies, using pricing models and managing basket risk and tracking error. Help establish and grow the Amsterdam trading desk while collaborating across offices and engaging with regulators, issuers, exchanges, and brokers.

Requirements

Candidates need at least two years of relevant trading experience at a high-frequency trading or market-making firm, including ETF trading, and strong knowledge of ETF mechanics and arbitrage. Requirements also include Python proficiency, advanced probability and statistics skills, strong analytical abilities, a relevant quantitative academic background, and an interest in building a new office.