Senior Data Scientist - Trading (d/f/m)

About the role

Location: Munich, Germany Employment Type: Full-Time, indefinite term Salary Range: € 95,000 - 115,000 per year gross, depending on seniority level Office First work setup Language Requirement: C1 Level English Research, develop, and productionise algorithms and models that optimise financial returns from trading the flexibility of Flexa's residential battery portfolio Drive the delivery of complex, trading strategy projects from research to production deployment and monitoring - anticipating dependencies and resolving them early Contribute to the technical vision for how Flexa trades flexibility across energy markets and hardware assets, and help make it a reality Identify new market opportunities and residential flexibility value to shape the data science roadmap and next-gen algorithms Champion engineering rigor and ML best practices to foster an open, data-driven engineering culture. Implement, deliver, and monitor well-engineered, data-driven solutions in our real-time production systems Opportunity to guide and develop more junior colleagues through design review, code review, and structured feedback Be part of a cross-functional team of data scientists, software engineers, and other teams across Flexa's partner ecosystem Mandatory Requirements: University degree in a data-driven or analytical field (Computer Science, Mathematics, Physics, Statistics, or a related quantitative discipline) 5+ years applied data science, with significant time spent developing trading algorithms in the energy or financial sectors Deep understanding of trading mechanics: price formation, market microstructure, risk, and the constraints that turn a backtest into a live strategy Strong knowledge of probability and statistics, incl. time-series data processing, analysis, and forecasting, with a focus on streaming settings Proficiency in Python and software engineering practices: testing, code quality, code review, CI/CD, monitoring, and modular code design Excellent English communication and interpersonal skills Cross-functional collaboration mindset across data scientists, software engineers, and partner-company stakeholders Independent research experience, excellent analytical skills with strong attention to detail, and the ability to manage multiple tasks in a fast-paced team environment are essential. Skills to Set You Apart Direct experience with energy trading, especially for the flexibility of battery storage systems Expertise in designing algorithmic trading strategies and modelling market impact within intraday continuous markets Substantial background in forecasting intraday price movements, modelling order book dynamics, and market microstructure Experience with both Machine Learning and mathematical optimization development Experience designing or owning real-time or near-real-time analytics workflows Proven track record of taking models from research into reliable production on AWS (or comparable cloud) At Flexa, we are committed to diversity - of backgrounds and experiences. You don't need 100% of the listed requirements to apply. Virtual Share Options: We offer virtual share options to all our employees Professional Development: Annual development budget of 3,000 € for coachings, trainings, books, etc Health & Sport Subsidy: Company subsidised sports facilities membership or Public Transportation Subsidy: Monthly subsidy for your public transport ticket Lunch/Dinner Allowance Vouchers: Allowance for meals on working days as digital meal vouchers Work Equipment: MacBook, an ergonomic workplace setup, and company-funded access to leading AI development tools so you always have the best tools available Regular Team Events: Knowledge Sessions, Afterwork, Sports, Offsites, Halloween, Pride Month, etc. Sébastien Schikora - Chief Technology Officer Hi there! I'm Sebastien Schikora, serving as the CTO at Flexa since the beginning. My diverse career journey has provided me with a range of experiences with a deep dive in the energy industry and the functioning of the grid specifically. In the last years, I was: CTO at KONUX from September 2018 to April 2022, where I played a pivotal role in shaping the company's tech landscape and products. Sr. Manager at Tesla from November 2015 to July 2018, leading the development of energy storage systems and mobile apps. Vice President of Product Development at Networked Energy Services (NES) Corporation from October 2014 to November 2015, launching a new company and product line in the grid digitalization space. At Echelon Corporation, I held various roles over six years, including Director of Product Management and Development in the Grid Modernization Division. Before my endeavors in the Energy Industry I was working for Hewlett Packard in the Enterprise Software group for a little over 10 years. I'm all about pushing the boundaries of technology and driving progress in our industry. I spent the majority of my career in the Silicon Valley in California and apply a lot of the met

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