Careers
Careers
A1X is a future-facing principal trading firm where exceptional people get autonomy, ownership, and rewards tied directly to performance.
We are always looking for individuals driven by curiosity, precision, and excellence — people who want their work to make a visible impact on firm-wide PnL.
Our strength comes from a cohesive team of domain leaders with the freedom to experiment, the tools to execute, and the discipline to perform at the highest level.
A1X is a future-facing principal trading firm where exceptional people get autonomy, ownership, and rewards tied directly to performance.
We are always looking for individuals driven by curiosity, precision, and excellence — people who want their work to make a visible impact on firm-wide PnL.
Our strength comes from a cohesive team of domain leaders with the freedom to experiment, the tools to execute, and the discipline to perform at the highest level.
Why Join Us?
Working here means being part of a flat organisation and tackling challenging questions.
We foster a collaborative, intellectually vibrant culture while recognising the importance of space to recharge.
We strive to create an environment people want to belong to - one that empowers and inspires pride.
We hire only a handful of high-performing people - individuals motivated to grow and see their work come to life.
Come and work with a company who value innovation, autonomy and creative thinking. We work hard to support our team with forward thinking approaches to business and employment, with generous employment packages including:
Why Join Us?
Working here means being part of a flat organisation and tackling challenging questions.
We foster a collaborative, intellectually vibrant culture while recognising the importance of space to recharge.
We strive to create an environment people want to belong to - one that empowers and inspires pride.
We hire only a handful of high-performing people - individuals motivated to grow and see their work come to life.
Come and work with a company who value innovation, autonomy and creative thinking. We work hard to support our team with forward thinking approaches to business and employment, with generous employment packages including:
Benefits & Perks
This is a defining time to join — early enough to shape our trajectory, yet well-capitalized and positioned for long-term growth.
We offer the technology, data, stability, and resources expected at top firms, with the agility to move faster.
Equity Participation
Flexible work arrangements,
including up to 3 months abroad
Training & Development Budget
Comprehensive Health & Dental Insurance
Wellness Program
Generous Paid Leave
Benefits & Perks
This is a defining time to join — early enough to shape our trajectory, yet well-capitalized and positioned for long-term growth.
We offer the technology, data, stability, and resources expected at top firms, with the agility to move faster.
Equity Participation
Flexible work arrangements,
including up to 3 months abroad
Training & Development Budget
Comprehensive Health & Dental Insurance
Wellness Program
Generous Paid Leave
Open Positions
Options Market Maker (Quant Trader)
Trading
•
London, UK
We’re seeking an experienced Digital Asset Options Market Maker to join our trading team and play a key role in shaping our options trading operation.
You’ll be responsible for actively quoting, managing risk, and refining the trading logic across our systems. This is a hands-on role for someone who can combine execution skill with quantitative insight — and who wants to influence both the trading stack and the firm’s strategic direction in the options space.
Junior Quantitative Researcher | PhD
Research
•
London, UK
We are looking for a Junior Quantitative Researcher with a PhD (or currently enrolled in a PhD programme) in a quantitative field to help advance our modelling and research efforts.
This role offers the chance to work in a dynamic, intellectually stimulating environment while growing your expertise in advanced quantitative finance. You will contribute to developing and validating mathematical models, analysing large datasets, designing backtests and simulations, and collaborating with quantitative developers to bring research into production.
