Job details

Python Developer

Our Company

3E is a leading technology company active in renewable energy with 20 years of history. Our HQ office is situated in the center of Brussels and our colleagues operate internationally from our offices in Paris, Toulouse, Barcelona, Istanbul, Chennai and Cape Town.

As an innovative company, we believe in a world where renewable energy will be affordable and available for all, at any time, at any place. Our mission is to maximize the value and enhance the performance of renewable energy assets through data intelligence, digital solutions and expert services. We have an extensive track record in providing solutions to corporate and public clients and combine in-house innovation, partnerships with leading R&D centers, and a thorough understanding of practical industry needs.

After 20 years of driving the energy market transformation through innovation, 3E is prepared to continue leading an energy future where digitalisation and data intelligence will pave the way to reach the world’s ambitious targets for renewable and sustainable energy. In this new paradigm, 3E has set a determined strategic plan for the upcoming years to further expand our market position, accelerate growth and reinforce 3E as the leading brand in the renewable energy sector.

What you will be doing

3E’s R&D department, ‘iLab’ works on the productization of R&D results in the domains of solar and wind energy. Our different products and services include, among others: satellite-derived solar irradiation data, wind resource data & modelling, solar and wind forecasting services, and artificial intelligence for the automatic fault detection on solar PV parks and wind farms.

Our daily operations involve scientific computing, big data processing & storage, deployment and maintenance of products and services.

You join a team of engineers, scientists, DevOps and product managers that develop, operate, and commercialize innovative solutions in the renewable energy domain worldwide.

We are looking for a talented Python developer to support us on the development, testing, documentation, and operation of services dealing with high-volumes of data while keeping an efficient use of our infrastructure.

Your day-to-day tasks will include:

  • Developing reliable and scalable applications, by writing clean and tested code
  • Working with domain experts to productize new research results or maintain existing applications
  • Operating applications throughout their life-cycle on Kubernetes with our automated CI/CD pipeline
  • Monitoring and troubleshoot operational or data issues.

Our ideal candidate

Starter pack :

  • Degree in computer science, engineering, data science, or related.
  • Minimum 3 years of first relevant professional experience as a developer
  • Strong Python programming skills
  • Demonstrated ability to operate effectively in a multi-tasking environment
  • Strong analytical skills
  • Team player with good communication skills
  • Fluent in English

Bonus points for :

  • Experience working with Docker and Kubernetes
  • Experience with testing, clean code and coding best practices
  • Experience developing REST APIs (Flask is a plus)
  • Experience with AWS or other cloud technologies
  • Experience in one or more data engineering and data science tools (pandas, dask, numpy, etc.)
  • Experience in the sector of renewable energy, modelling and GIS technologies
  • Experience with web technologies (js, css, html)

What we offer in return

Our offices are hidden in the centre of Brussels with a view on a pond, with ducks and a heron bringing a regular visit. In addition to a stimulating atmosphere in a highly motivated group of people, 3E offers:

  • Attractive salary package in line with your level of experience, including group insurance, hospital insurance, meal vouchers (8 euros), representation allowance, company mobile phone & subscription, laptop, 32 days of vacation, a flex income plan.
  • Sustainable transport: easy access with public transport, 100% reimbursement of public transport fare or bicycle allowance (no company car)
  • Flexibility, open-minded company.
  • Home working
  • An international environment: projects in over 40 countries worldwide, colleagues of 20 nationalities.

For this role we are currently interviewing. Response to your application can thus be delayed, apologies!

  • Location: Brussels - Belgium


Kalkkaai 6 Quai à la Chaux
1000 Brussels

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