Python Development Engineer M/F

AltenBoulogne-BillancourtJob.bopublished 10/14/2026
Must-have:PythonGitDockerCI/CD
Machine translation — original language: French.Show original

A leader in Engineering and IT Services, present in more than 30 countries, the ALTEN group supports the development strategy of its clients in the fields of innovation, R&D, and technological information systems.

More than just a position, discover the adventure that awaits you within a committed company.

Within the Energy department, we have been supporting our key accounts for more than 35 years. Thanks to our preferential status, we guarantee you access to high value-added projects. Main Missions The project involves the industrialization of software used to optimize the sizing of small-scale photovoltaic installations, batteries, and hydrogen production electrolyzers. This software must provide data on technological choices, sizing, costs, and expected gains at given selling prices, according to market price scenarios. The project language is Python. The team consists of 12 developers. Main Activities: Development of new features Participation in defining the application architecture Implementation of end-to-end test coverage Implementation of log and error management Updating the tutorial and installation process Implementation of a validation process for multiple Python versions and packages Improvement of software quality (measured by SonarQube)

Education / Experience Education: Engineering degree. Experience: Experience in software development, ideally applications in C++ or in the medical field. Technical Skills Expertise in Python Knowledge of software quality / CI-CD Knowledge of MVC architecture and design patterns. Knowledge of Docker and Gitlab would be appreciated. Skills in linear optimization (for example with pulp) would be appreciated.

Personal Qualities Ability to work in a team. Proficiency in English.

What we offer you: A true career plan: Close support by a career mentor with access to a panel of training courses allowing you to grow and thrive sustainably within the Group. 10 RTT Hybrid working environment More than 90% of transport costs covered by ALTEN (80€) or mileage reimbursement depending on the case €10 per day in restaurant vouchers, 60% covered by ALTEN A dynamic CSE: gift and culture vouchers, preferential rates, contests, etc. Numerous sporting and recreational activities