Intraday Trader

About the Role: The electricity market is highly dynamic and fast-growing, driven by the massive renewable asset investments of the last decade. At Sirius Energy, as an Intraday Trader, you will work side by side with senior analysts and traders with more than 10 years of experience. You will learn how to read and interpret the intraday power market, build the quantitative tools that drive our trading decisions, and manage risk in a fast-paced, data-driven environment. Responsibilities: Open, manage, and review positions in the day-ahead and intraday power markets on 24/7 shifts; Maintain and improve our modelling, forecasting and bidding tools; Analyse large datasets — prices, fundamental market factors, grid data, and weather forecasts — to identify and validate trading signals; Design, backtest and monitor systematic optimization strategies, with rigorous attention to data leakage and out-of-sample validity; Discuss and propose new trading ideas in cooperation with senior traders, including statistically based predictive signals; Requirements: Master’s degree in a quantitative field (Mathematics, Physics, Statistics, Computer Science, Engineering, or related); Excellent Python skills across the scientific stack is required (Polars/pandas, NumPy, scikit-learn); Willingness to work rotating shifts as part of the desk’s continuous market coverage; Familiarity with software engineering fundamentals is required (Git, testing, clean production code); familiarity with Linux, CI/CD, cloud platforms, and real-time/event-driven data pipelines is a plus;