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At Trax, our people are at the core of our business, as we create technology and services that are changing the world of retail. Get to know us.

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Trax is a rapidly growing
company with start-up values

We started out with the daring mission of solving long-standing problems for our CPG and retail customers. Today, we are proud to be market makers, and our journey is streaked with perseverance, team work and a whole lot of fun.

Unleash your potential by joining a powerhouse of brilliant minds from diverse backgrounds, in an environment that is learning-friendly - and often filled with food!


Research Engineer

Paris · Full-time · Experienced

About The Position

Trax is the world leader in computer vision solutions for retail. At Trax, we leverage cutting-edge technologies to help our clients in the retail industry, match in-store reality with their expectations. To do so, we use image recognition to check shelf compliance based on photos taken in stores. Our current platform is processing 1G photos every year from all over the world against a database of 1M products with an error rate lower than 1%.

Now, we are looking for a Research Engineer to join our Research and Innovation Team based in Paris and build the system of tomorrow.

Your role will include:

  • Implementation, evaluation and testing state of the art solutions to solve relevant issues related to computer vision and NLP
  • Tracking latest technological advancements and maintaining an up-to-date knowledge of related scientific research
  • Working with a cross-functional team on various advanced “Proof of Concepts” and innovative projects
  • Contributing to the creation of a cutting-edge machine learning framework, following your project from the proof of concept to the late stages, including integration and maintenance
  • Contributing to the Innovation Unit as a whole through working together collaboratively, including performing code reviews, mentoring each other and giving technical presentations
  • Foster innovation everywhere in the company

Your profile:

  • MSc in computer vision, machine learning, computer science, computer engineering and/or 2+ years work experience related to Machine Learning research topics
  • Experience in designing, implementing and deploying machine learning models to solve real issues in a variety of environments
  • Strong understanding of data structures and algorithms
  • Strong programming skills in Python, Java, JavaScript or C/C++ including ML frameworks for the respective language
  • Practice of agile development: unit testing, continuous build integration and deployment (Git, Jenkins), and agile methodologies
  • Knowledge of one of the major cloud environments (AWS, GCP,…) and commonly used tools (MongoDB, queuing system, Docker,…)
  • Fluent English is a must
  • A strong desire to learn and adapt new technologies and challenges
  • Communication and teamwork skills to collaborate with other teams


  • Previous experience with mobile (iOS and/or Android native) development

What we offer:

  • A competitive compensation package
  • Very strong focus on personal development, strong mentoring
  • A young and dynamic team
  • Few hierarchical levels
  • Exciting technical landscape
  • An international environment
  • Opportunity to be part of a fast-growing company journey


  • Contract: Permanent Contract/Full time
  • Primary location: Paris 75011

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