Digitalization and energy transition in one sentence? That’s what we do at Green Fusion!Our software holistically optimizes energy systems in the real estate sector, helping to combat climate change through digitalization and automation. We reduce emissions and energy consumption, actively advancing the energy transition.<h2>Tasks</h2>As an ML Engineer, you’ll support our Sector Coupling team building the next generation of intelligent Energy Management Systems (EMS). You will enable high-accuracy model predictions and optimizations through long-term learning from our data to save energy every single day.<ul><li>You will design and improve machine learning models for time-series forecasting and nonlinear optimization, taking them from concept to deployment.</li><li>By working alongside data scientists and energy engineers, you will bring forecasting and optimization models into our EMS production environment (Cloud and Edge).</li><li>Maintain and improve ML pipelines (using tools like Prefect and MLFlow) to support the full model lifecycle—from experiment tracking to training and validation.</li><li>Act as the guardian of our data. You ensure feature engineering for time-series, asset telemetry, and market data is robust. You also lead the monitoring of model quality, handling concept drift and performance evaluation.</li><li>Lead the development of digital twins and simulation environments to safely test how our EMS interacts with components before they touch real hardware.</li><li>You will collaborate with embedded and platform teams to integrate your work into the GreenBox edge device and backend services.</li></ul><h2>Requirements</h2>We know that nobody fits a job description 100%. If you see yourself in most of these points and are passionate about our mission, we’d love to hear from you! <ul><li>You bring a strong background in Python and machine learning engineering, with hands-on experience developing, testing, and maintaining models in containerized production environments (e.g., Docker, AWS).</li><li>You are familiar with the full machine-learning lifecycle, from training to deployment and monitoring, and you have experience using MLOps tools such as Prefect, MLflow, or similar platforms.</li><li>You have experience in time-series forecasting and nonlinear optimization, and ideally you’ve worked with stochastic model predictive control or probabilistic forecasting techniques.</li><li>You are curious about how physical and energy systems work, from heat pumps to power markets, and you recognize the importance of validating algorithms that control real-world hardware.</li><li>You enjoy collaborating with cross-functional teams (Energy, Backend, Embedded) and can clearly communicate technical concepts to diverse stakeholders.</li><li>Bonus Points: You bring experience with Reinforcement Learning, IoT/Edge deployments, or energy management systems (EMS)—a plus, but not a must.</li></ul><h2>Benefits</h2>🏠 Flexible working hour models, home office, and remote work.💡 Ongoing training opportunities – whether through job challenges, our open feedback culture, or sponsored training programs, there are always opportunities to learn and grow.💼 Employee benefits such as Urban Sports Club or Become1.🌱 Direct impact through your job – with us, you can actively contribute to the energy transition and fight against climate change every day.💚 We value our team – that's why regular team events are very important to us.🙌 The best team that Berlin has to offer – and maybe even beyond. Don’t believe it? Then find out for yourself and apply now!---While we are still considered pioneers today, we can soon dominate the market with you! First in the DACH region, then throughout Europe.You can expect a motivated, open-minded, and dynamic environment that is passionate and ambitious about actively shaping the energy transition – a goal that can only be achieved together!We look forward to your application – Fernanda will get in touch with you!

The energy-saving pilot for all boiler rooms.
We don't just digitize your boiler rooms, we automate and optimize the entire operation of your portfolio and ensure a smooth transition to regenerative systems. For maximum efficiency and sustainability in the housing industry.
Want to operate your systems intelligently? Save money, energy and CO₂? With our software, your systems optimize, control, analyze and monitor themselves: * Analysis &amp; optimization - continuous and holistic * Semi-automated or fully automated operations management - sit back and save * For conventional existing systems, complex new energy systems and a smooth transition

Machine Learning Engineer (m/f/d)New

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Green Fusion

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