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AI & Tech

Sia Partners

[LETTRIA] - CDI - Data-Scientist NLP H/F

30 Rue de Palestro, 75002 Paris, France

Company description

Lettria is on a mission to help organizations turn unstructured information into smart decisions.

After 3 years of R&D, the team has developed the ultimate NLP (Natural Language Processing) platform, based on a powerful API engine and a range of cool features to help tech teams ship text-related projects in production.

From text mining, to knowledge graph or Machine Learning, Lettria’s platform is becoming the one-stop solution for NLP.

Created in 2019, Lettria has now achieved some key milestones :

  • A team 15 complementary profiles in linguistics, algorithmic, data-science and software engineering.
  • Renowned clients in production (La Poste, Total, Assemblée Nationale, AP-HP)
  • 2 M€ raised from Tier-1 investors and business angels

If you don’t know anything about NLP, no need to worry. You’ll find all the relevant information on our website.

Job description

The API and platform we have built at Lettria benefits from the latest advances in Natural Language Processing. As a Data scientist you will have the opportunity to build models on various tasks to help Lettria achieve its goal of understanding human language.

You'll operate on various topics :

  • Designing and coding state-of-the-art solutions on various topics: dependency parsing, sentiment analysis, coreference resolution, named entity recognition...
  • Participate in clients projects and design adequate solutions to solve various business problems.


Required skills:

  • You have a very good knowledge of Python
  • You are proficient with deep learning frameworks such as Pytorch.
  • You have demonstrable experience implementing ML/DL models from scratch.
  • You have some exposure in Natural Language Processing.
  • You are good at communicating complex ideas.
  • You’re autonomous, rigorous, and a team-player :-)

Preferred skills:

  • You have experience using cutting-edge NLP models such as Transformers (BERT, xlm-r ...)
  • You have experience implementing research papers.

Additional information

  • Location: offices in the inner-Paris
  • Remote friendly
  • Process : you will meet all 3 co-founders and perform a technical test
  • Salary : between 40 000 € and 50 000 € according to experience + benefits


Sia Partners est un employeur qui souscrit au principe de l’égalité d’accès à l’emploi. Tous les aspects de l’emploi, tels que le recrutement, les promotions, la rémunération, ou les sanctions sont basés uniquement sur les performances, les compétences, et le comportement des employés ou les besoins de l’entreprise.