Python Quant Developer

4 days ago

London, United Kingdom Selby Jennings Full time

We are working with a leading traditional and digital asset trading firm whose mission is to build a global financial institution designed for market integrity and efficiency. They apply a disciplined, first-principles approach to everything they do, delivering services such as institutional liquidity provision, trading solutions, OTC execution, and treasury management. The firm is seeking a Python Quant Developer to join its high-frequency trading team. This role involves owning and expanding the Python research and analytics stack that supports strategy research, backtesting, and live trading in crypto markets. Collaborate with traders and researchers to develop quantitative trading models.
Build research tooling for simulations, post-trade analysis, and visualizations.
Design and maintain data pipelines for high-frequency and alternative data.
Implement data validation, monitoring, and access layers for research and production.
Implement performance attribution and diagnostic tools.
Create dashboards and visualizations for order book and strategy monitoring.

5+ years of professional Python development experience.
~ Strong ability to write clean, modern Python code.
~ Experience building and documenting APIs.
~ Deep knowledge of Python ecosystem (Pandas, Numpy, Bokeh, PyArrow, Matplotlib, IPyWidgets, Jupyter, etc.).
~ Proven experience with large-scale data pipelines and ETL workflows.
~ Understanding of crypto or traditional financial markets.


Familiarity with ML frameworks (JAX, PyTorch, TensorFlow, XGBoost).
International environment (English as the main language).
Pension scheme.
Comprehensive health coverage.

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