Key Skills

Job Description

About The Company At Zonneplan, we are committed to shaping a sustainable future by eliminating reliance on fossil fuels and promoting renewable energy sources. Our mission, known as plan Zero, aims to create a Netherlands without fossil energy by leveraging innovative solutions in energy trading, battery optimization, and AI-driven forecasting. We believe in making a tangible difference through technological advancements and dedicated teamwork. Our organization fosters a collaborative environment where expertise, innovation, and impact are at the forefront, enabling us to contribute significantly to a cleaner, greener energy landscape. About The Role As a Data Scientist within our Trading & Optimization team, you will operate at the intersection of energy and artificial intelligence. Your work will have a direct and measurable impact on the energy grid, enabling smarter energy trading and management. You will develop integrated models that combine probabilistic forecasting, optimization, and control systems, ensuring real-time decision-making and operational efficiency. The role requires close collaboration with data scientists, engineers, and traders in a flat organizational structure that encourages initiative and ownership. Your models will be deployed live, and you will be responsible for maintaining, optimizing, and troubleshooting them proactively. The position offers an exciting opportunity to contribute to plan Zero by enhancing the efficiency and sustainability of energy consumption and distribution through advanced AI tools and innovative modeling techniques. Qualifications Minimum of 3 years of experience as a data scientist with a strong foundation in statistics and machine learning. Proven experience in forecasting or time series analysis. Proficiency in Python at a production level, including deploying and monitoring models in live environments. Experience with or interest in AI-assisted development tools such as Claude Code, GitHub Copilot, or similar. Ability to translate models into measurable business impact and financial outcomes. Ownership mentality with the capacity to manage models from development to operational deployment. Curiosity and proactive approach to following developments in AI and machine learning, translating innovations into practical experiments. Fluent in Dutch at a professional level, with excellent communication skills. Responsibilities Develop, deploy, and maintain probabilistic forecasting models for energy trading and grid management. Integrate forecasting, optimization, and control models to support real-time decision-making processes. Work closely with engineers and traders to ensure models are operationally effective and aligned with business goals. Monitor model performance, troubleshoot issues, and implement improvements proactively. Leverage AI tools such as Claude Code to accelerate development and enhance model capabilities. Contribute to the continuous improvement of forecasting accuracy and operational efficiency. Translate complex data insights into actionable recommendations for stakeholders. Participate in team discussions and initiatives to innovate and optimize energy trading strategies. Benefits Competitive salary ranging from €4,000 to €6,000 gross per month, based on experience and seniority. 25 vacation days with options to purchase additional days. Reiskostenvergoeding (travel allowance). Claude Code Max 20x subscription as a secondary benefit, usable for work and personal projects. Personalized keuzebudget for sports, groceries, or other personal needs. Investment in your professional growth through the Zonneplan Academy, with opportunities for career advancement to senior roles. Access to modern tools and a collaborative, no-nonsense work environment. Engagement in meaningful projects that contribute directly to sustainability and energy transition. Equal Opportunity At Zonneplan, we are committed to fostering an inclusive and diverse workplace. We believe that a variety of perspectives and backgrounds enhances our innovation and effectiveness. We welcome applications from all qualified candidates regardless of race, gender, age, religion, sexual orientation, disability, or other protected characteristics. Our hiring practices are designed to ensure equal opportunity and to promote a respectful, supportive environment for everyone.

Core Responsibilities

Develop, deploy, and maintain probabilistic forecasting models and integrate them with optimization and control systems for energy trading and grid management. Collaborate with engineers and traders to monitor and improve live models, support real-time decisions, and turn data insights into actionable recommendations.

Requirements

Applicants need at least three years of data science experience, a strong foundation in statistics and machine learning, and proven forecasting or time series experience. They must be proficient in production-level Python, able to own models through deployment and monitoring, communicate fluently in Dutch, and translate modeling work into measurable business outcomes.

Benefits

• 25 Vacation Days
• Option to Purchase Additional Vacation Days
• Travel Allowance
• Claude Code Max 20x Subscription
• Personalized Benefits Budget
• Professional Development Through the Zonneplan Academy
• Career Advancement Opportunities
• Modern Tools
• Collaborative Work Environment
• Meaningful Sustainability Projects