Senior Data Scientist
at Octave in the heart of Brussel

Octave is a cleantech company that gives a second life to used batteries from e-mobility. Instead of treating them as waste, Octave transforms them into a smart and sustainable battery for storing excess wind and solar energy. The system comes with a comprehensive service that includes optimal control and predictive maintenance.

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  • Brussel
  • Werkplek: flexibel
  • Ervaringsniveau: senior

Are you an experienced data scientist? Do you know how to create reliable predictions and optimal decisions based on complex and large datasets? Do you want to put your talent to use and contribute to the energy transition by building innovative battery energy storage systems?

Then join our exciting mission at Octave to bring sustainable and circular energy storage solutions to the market. Have a real impact and become part of a young and dynamic team, in a fast-growing start-up.


Your role


You will be responsible for the development of breakthrough data analytics capabilities enabling sustainable battery energy storage solutions. You will have the opportunity to work with unique and large datasets from our sustainable battery systems. You will be creating breakthrough algorithms for battery state estimation, lifetime prediction and to optimize the energy flow in the batteries. You will work with top-tier research institutes in our research projects.

You will work in close cooperation with the founding team (CTO, Data Chief, CEO) to radically improve our battery monitoring and control algorithms. You are actively encouraged to think with the team for improvements on our products and act as the expert on data science within the company.

What we are looking for:


• Senior experience in developing and deploying control and predictive algorithms in a production environment, with the ability to write top-quality code in python.
• Knowledge and practical experience with machine learning, predictive modelling, optimal control, dynamic programming, reinforcement learning, ... .
• Ability to present complex data in a user-friendly and insightful way in graphs and interactive dashboards.
• Experience in ETL / ELT and in building efficient data pipelines.
• Background in Li-Ion batteries and battery state estimation algorithms.
• Ability to work independently, have a clear sense of ownership and delivering with highest quality.
• Ability to communicate clearly in English.

With some (or all) of the following points, you have a clear plus: Experience in C, C++ or java & Experience in SQL and noSQL database design and optimization.

• Knowledge of stochastic convex and non-convex optimization methods.
• Knowledge of Kalman filters and other online state estimation techniques
• Expertise with AWS, git, docker, Kubernetes, CI/CD, ssh, bash, dbt.
• Experience in building data-intensive web applications.
• Knowledge of HTML, CSS, javascript, and python web frameworks (django, flask,
streamlit, dash).
• Experience with industrial data protocols, such as modbus, canbus, rs485, ... .
• Knowledge of the energy markets.
• Experience with embedded system design and programming.

What’s in it for you

An incredibly interesting and varying job in a dynamic and fast-growing cleantech start-up.

We offer the opportunity to create innovative products and have a real impact, create world-
class innovations and become a driving force in the transition to a sustainable energy system.

We also offer:

• An attractive salary package.
• A nice office at an accessible and central location in Mechelen.
• Flexible working hours with hybrid working, ideally 2-3 days the office and 2-3
days to work flexibly.
• A supportive and collaborative team environment with huge learning and career
development possibilities in a fast-growing start-up.

Why join Octave


Octave was founded in April 2020 with the aim of accelerating the transition to a sustainable
energy system by building smart energy storage systems from used e-mobility batteries.

Since launching, we have developed unique technology and successfully demonstrated
several prototypes. We are now commercializing our solution in Belgium with over 3MWh of
battery capacity sold. Our project pipeline contains several large and exciting projects at the
cutting edge of technology and energy

Octave is backed by Imec, several venture capital funds (SPDG, U2P and SimpliCity) and has
received grants from the European Commission and Innoviris.

How to apply

Are you interested in the role as Senior Data Scientist at Octave? Send your CV and a
motivation letter today to [email protected].
We will reach out as soon as possible.

When applying be sure to reference Creativeskills.be in the subject or body of your email.

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