About us
We are a mission-driven green startup building technology to help households better understand and reduce their energy footprint. Using energy disaggregation and advanced data science, we turn raw consumption data into meaningful, engaging insights that drive real impact on sustainability.
We’re looking for a Senior Data Scientist to lead the development of user-facing analytics and insights at scale. This is a hands-on role with a strong product focus, where your work will directly shape how users interact with their energy data.
Responsibilities
- Lead large-scale analyses of household energy data to derive actionable insights.
- Collaborate with business and engineering teams to translate analyses into user-facing features.
- Develop and maintain internal tools to support data annotation, evaluation, and benchmarking of algorithms.
- Take ownership of the products and features you deliver, serving as a main driving force behind our user insights.
- Bring a fresh perspective and help build new products from the ground up.
- Thrive in a small, autonomous team where members are expected to own their work end to end.
Requirements
- 3+ years of proven experience building user-facing data science solutions.
- Strong programming skills in Python and proficiency with SQL.
- Hands-on experience with popular data science libraries (pandas, numpy, scikit-learn, PyTorch/TensorFlow).
- Expertise in time series data and developing forecasting/predictive models.
- Experience with clustering/segmentation and methods for peer ranking/comparison.
Nice to have
- Cloud skills (AWS or equivalent).
- Background in electrical engineering, energy data, or energy disaggregation.
- Experience with Docker and GitLab CI for development and deployment workflows.
Why join us?
- Build innovative, data-driven features that help households take control of their energy consumption.
- Work with unique, high-resolution datasets that have real-world sustainability impact.
- Join a fast-growing, small, mission-driven team where autonomy, creativity, and ownership are central.
- Flexible, remote-first working environment.
- Salary: £30,000 – £40,000 (depending on experience)
- Location: Hybrid – circa 2 days/week in our London office
- Must have right to work in U.K
The Interview Process
- Screening Call (15 mins): A relaxed chat with our existing Product Owner to explore your background and gauge fit for the role;
- Panel Interview (45–60 mins): A deeper dive with our COO and Tech Lead, focusing on your product thinking and previous experience;
- In-Person Conversation (1 hour): A more informal meeting with our COO. We’ll talk through the product vision, company culture, and answer your questions.
Why Join Voltaware?
- Be part of a mission-driven company helping households lower energy costs and carbon footprints;
- Work on meaningful, user-facing products (both B2C & B2B);
- Join a small, collaborative team where your contributions directly shape product direction.
