Join Our Team as a Machine Learning Engineer in London

At Jane Street, we are excited to offer a unique opportunity for a skilled Machine Learning Engineer to become a cornerstone of our dynamic ML team in London. This role is perfect for anyone with a robust background in machine learning and a strong foundation in mathematics who is eager to impact the future direction of our ML platform.

About Your New Role

Your main responsibilities will include enhancing our machine learning system which serves as a foundational pillar for Jane Street’s global operations. Our trading environment provides a perfect platform for ML experimentation and innovation, allowing for the incorporation of new ideas with ease. You will leverage your in-depth knowledge of various ML ecosystems, from neural networks and random forests to gradient-boosted trees and sophisticated ensemble methods. Your insights will critically aid in decision-making processes, ensuring the appropriate application of these technologies to solve complex problems efficiently.

Additionally, you will work on improving research workflows to shorten feedback cycles, essential for our fast-paced trading activities. It is crucial that our ML engineers not only understand the mechanics behind various modeling techniques but also possess the ability to deconstruct and explain the underlying mathematics.

Who We Believe Will be a Great Fit

We are looking for someone who is deeply passionate about machine learning and enjoys staying ahead of the curve, whether that means diving into the latest academic research, experimenting with cutting-edge hardware, or exploring new ML packages. You should have experience:

• Building and maintaining training and inference infra, with the know-how to transition from concept to production seamlessly.
• With a strong mathematical background, excited about topics such as optimization theory, regularization techniques, and linear algebra.
• In maintaining an organized, robust, and reproducible research codebase.
• Using ML frameworks such as PyTorch, Jax, TensorFlow; we're eager to learn from your experiences with any of these tools.
• An inventive mindset and a readiness to challenge the status quo, evaluating if we are using the best tools and approaches.

The position requires fluency in English and a curious mind passionate about solving complex and intriguing problems. Prior experience in finance is not necessary; many of our team members have joined from different sectors with similar initial perspectives.

Ready to Apply?

If you are excited about pushing the boundaries of machine learning applications in trading and finance, Jane Street offers the perfect environment for you to expand your skills and drive significant projects. Don’t miss out on this opportunity to build a transformative career in one of the most dynamic areas of global finance.

For recruitment agencies interested in partnering with us, please contact .

We can’t wait to see what you’ll bring to our team!

How to Apply

Submit your application today and take the first step towards an exciting new chapter in your career as a Machine Learning Engineer with Jane Street in London.