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ML Engineer

France, Paris · Job Posted January 24, 2026
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Job Description

At Wiremind, the Data Science team is responsible for the development, monitoring and evolution of all ML-powered forecasting and optimization algorithms in use in our Revenue Management systems. Our algorithms are divided in 2 parts: A modelling of the unconstrained demand using ML models (e.g. deep learning, boosted trees) trained on historical data in the form of time-series; Constrained optimizations problems solved using linear programming techniques. You will be joining a team shaped to have all profiles necessary to constitute an autonomous department (devops, software and data engineering, data science, AIML, operational research). There, you will leverage state-of-the-art AI/ML methods and ironclad validation processes to deliver robust, interpretable prediction systems. As a ML Engineer, with support from a Lead Data Scientist, you will take part in the development and improvement of new features and algorithms for our SaaS applications, using a mixture of proven traditional model-based methods as well as recent breakthroughs in Deep Learning for regression problems.

Job Responsibility

  • Develop, maintain, and propose improvements for our training framework via Argo + MLFlow
  • Deploy and monitor of models in production
  • Oversee implementations of new clients from the data analysis phase, modeling, deployment, and hyper-supervision of the first optimization runs in production
  • Develop analytics and AB testing tools to help us continuously improving our models

Requirements

  • At least 2 or 3 years of experience working in Data Science, Applied Mathematics, Computer Science or similar field
  • Worked on at least one deep learning framework such as tensorflow or pytorch
  • Pragmatic approach to ML where testing and frequent deliveries of small incremental gains supported by validation / alerting processes to avoid regression is preferred to a long tunneled research process
  • Passionate about addressing business challenges through innovative technological solutions
  • Committed to maintaining high-quality standards in all aspects of your work

Nice to have

Experience modelling time series and/or price elasticity

What we offer

  • Beautiful 800 m² offices in the heart of Paris (Bd Poissonnière)
  • Attractive remuneration indexed on performance
  • A caring and stimulating team that encourages skills development through initiative and autonomy
  • A learning environment with opportunities for evolution
  • A hybrid policy: 2 days of remote work per week and the possibility to work occasionally from abroad
  • Access to WellPass at a preferential rate to maintain your well-being
  • A great company culture (monthly afterworks, regular meetings on technology and products, annual off-site seminars, team-building…)

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