Voltaware is a UK-based energy technology company that uses AI to turn smart meter data into appliance-level insights. Our non-intrusive load monitoring (NILM) technology helps utilities and energy retailers reduce customer churn, increase app engagement, and create new revenue opportunities.
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About the RoleWe're looking for a hands-on Data Scientist to join our Machine Learning team. You'll build and improve the models that power our energy disaggregation product, working across the full lifecycle from research and prototyping to production deployment.
This role suits someone who wants to grow their ML career while working with large-scale, real-world energy data on a product with meaningful environmental impact.
Key Responsibilities
- Develop and improve ML models for energy disaggregation and related use cases.
- Take ML models and capabilities from research and prototyping through to production deployment,
working closely with data engineers and software developers.
- Help define and improve the KPIs and validation frameworks used to evaluate model performance.
- Monitor deployed models, troubleshoot performance issues, and iterate based on real-world results.
- Collaborate with product managers to shape the roadmap for ML initiatives.
- Use AI-assisted development tools and agentic workflows to support research, coding, debugging, experiment design, and model evaluation.
- Design iterative ML experimentation loops to test hypotheses, compare results, analyse errors, and move validated improvements into production.
Qualifications and Experience
- Degree in Computer Science, Machine Learning, Statistics, or a related field, or equivalent practical experience.
- 3-5 years of hands-on experience developing, deploying, and improving ML models in production.
- Strong production Python skills, with experience turning research code a
📌 Mid-Level Data Scientist (Madrid)
🏢 Voltaware
📍 Madrid
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