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

Location: Munich, Germany

• Employment Type: Full-Time, indefinite term
• Salary Range: € 95.000 - 115.000 per year gross depending on the seniority level
• Office First work setup
• Language Requirement: C1 Level English

• Research, develop, and productionise ML models for distributed energy systems — household-level and portfolio-level forecasting of load, generation, and market dynamics at a scale of 100k+

• Design, calibrate, and backtest probabilistic time-series models that feed dispatch and trading decisions in real-time production

• Establish MLOps practices to monitor production forecasts for drift, bias, and calibration quality as well as their downstream impact

• Identify opportunities to improve forecast quality and the downstream impact of forecasts on dispatch and trading outcomes

• Deliver and monitor high-quality ML solutions while promoting engineering best practices and a data-driven culture.

• Contribute to the data science roadmap and help shape the next generation of algorithms

• Identify new market opportunities and residential flexibility value to shape the data science roadmap and next-gen algorithms

• 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, Statistics, Applied Mathematics, Physics, or similar quantitative discipline)

• 5+ years industry experience in applied data science, with significant time spent in time-series machine learning or applied forecasting (energy domain a strong plus, not strict)

• Hands-on experience with large volumes of time-series data, ideally in streaming settings

• Strong grasp of probabilistic forecasting, calibration, and backtesting methodology

• Proficiency in Python and software engineering practices: testing, code quality, code review, CI/CD, monitoring, and modular code design

• Experience taking models beyond the notebook: from experimentation and validation through to scalable, monitored production deployment

• 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

• Work experience in energy or power markets — load, generation, or price forecasting

• Big-data tooling: Spark, Dask, and ML pipelines handling large volumes of data

• Experience standing up a forecasting capability from scratch in a production environment

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.

• 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.