Stefan Jansen

Stefan Jansen

831 Subscribers

Author, ML for Trading · Founder, Applied AI · Investing since 2013

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Stefan Jansen takes you from idea to deployable trading strategy

Stefan is the author of ML for Trading — the book and open-source companion code (19,000+ GitHub stars) that have become a practitioner reference for applying ML to financial markets. The 2026 third edition expands to nine cross-asset case studies, with a foreword by Antonio Gulli, Senior Director, Google. He maintains the Zipline fork the quant community relies on, and built the six-library stack — data to live — behind the third edition's case studies. Investment partner since 2013, he has built trading platforms and live strategies across asset classes. In 2016 he founded Applied AI, which brings production ML to investment teams and other data-rich verticals. He has taught ML to 110,000+ professionals through DataCamp and General Assembly, incl. at Bloomberg and BlackRock.

Alumni reviews

The course was very well structured and thoughtfully prepared. I particularly appreciated its coverage of current LLM implementation patterns, which made the course highly relevant and practical.
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Atsushi

Cohort 2
Machine Learning Engineer · Open Database Associates BV
Great workshop! I learned how to build and inspect an end-to-end multi-agent forecasting system—from ReAct agents and tools to combining forecasts, calibrating them, and evaluating the results.
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Mark

Cohort 2
developer · *
The insights and expertise Stefan shared in this workshop have really taken my AI coding skills to the next level.

Karry

Cohort 1
R&D Lead · Beifang Investigation, Design & Research Co.,Ltd.
Excellent course for anyone serious about using coding agents in production. Stefan goes beyond basic prompting to build reliable, repeatable engineering workflows with clear planning, verification, and execution practices. I left with practical techniques I can apply immediately to AI-assisted software development—highly recommended for engineers, technical founders, and engineering leaders.
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Amir

Cohort 1
CEO · Ocean Reviver Inc.
This is one of those rare courses that sets you in a direction and gives you tools to cut your own path. The entire field is developing extremely rapidly, so I found no better way to leverage your time learning, separating what's permanent from what's transient and walking away with a high quality working prototype than piggy-bagging on the knowledge of experts. If you have been exposed to Stefan's work, you would know: there is no chaff, the code works, your understanding coming out of it is structured and clear. Don't kid yourself, though. You will not walk away an expert programmer of forecasting agents, no will you have a crystal ball. What you will have is a solid, workable scaffolding and a suite of correct tools to work independently in a focused direction. The code itself is worth the cost of the course. Best, VK.
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Vadim or VK

Cohort 1
Managing Member · Lyndale Investments LLC