Evolution Energie's success relies on attracting the best talents willing to deal with exciting challenges.

We promote and encourage diversity and creativity with a constant focus on quality that both appears in our quality labels (ISO 9001, 14001, 26000) and in our customers' satisfaction.


Job Offer : C# desktop client Developper (Ref Dev-D-1807-Flex)

As a member of the Desktop Team, you will design the desktop part of the company's products and implement functionalities. You will:

  • Scope, spec, and design new features.
  • Maintain and extend Flexinergy, the main commodities management system of the company
  • Code using the .Net Framework (C#, WPF)
    • Develop functionalities and integrate them in the product (mutualization, refactoring and optimization)
    • Display and analyze customer data (contracts, energy consumption, market transactions…)
    • Develop algorithms for energy optimization
    • Implement and run tests (unit testing, validation, functional, integration) 

Job Offer : C# backend Developper (Ref Dev-B-1807-Flex)

As a member of the Backend Team, you will store the customer data and make them accessible in a reliable and efficient way. You will:

  • Scope, spec, and design new features.
  • Maintain and extend Flexinergy, the main commodities management system of the company:
    • Manage an SQL Database
    • Code using the .Net Framework (C#, WCF, WIF)
    • Store customer data (contracts, energy consumption, market transactions…)
    • Automatize heavy backend treatments and the generation of reports
    • Write APIs to send the data to the frontend part
    • Interface between the customer automatic systems and Flexinergy database
    • Implement and run tests (unit testing, validation, functional, integration)

Technical Requirements for IT positions

  • You have good programing skills (specific knowledge of C# is not required).
  • You have extensive scientific skills (mathematics, modeling, numerical computation, energy, environment…).
  • You know how to summarize information and have good written communication skills.
  • You speak French and English fluently.
  • A good knowledge of algorithmics is a bonus point (calculations of average complexity, classical algorithms…).
  • You are curious and have excellent learning skills.
  • You want to explore and find meaning in complex and interrelated problems.
  • You can explain complex ideas and algorithms in a simple and understandable way.
  • You want to work in a fast-paced startup environment and thrive on autonomy.
  • You are a great community ambassador and can drive hard technical conversations towards a good solution.

Specific knowledge of the energy field is not required, but an interest for the challenges of this field is a bonus point.


As part of any of these teams, you will as well:

  • Engage in the various R&D projects of the company (energy optimization, blockchain, big data, machine learning…)
  • Talk to highly technical customers about their energy management, listen to their needs, and work with the team to solve their problems.
  • Contribute to the writing of the requirements specification with the customer.

These job openings are located in Paris. You will be required to travel occasionally across Europe, USA and Asia (China, Japan, Singapore). A good level in English is mandatory.
Attractive salary based on profile and experience.