
Junior AI Engineer
- Paris
- CDI
- Temps-plein
- Contribute to the development and optimization of post-processing pipelines that clean, structure, and validate AI-generated content
- Support the design and execution of model evaluation workflows, including automated metrics and human-in-the-loop assessments
- Help build and maintain internal tools used by business teams (Sales, Customer Success, Support) to monitor and explain AI output quality
- Participate in ground truth data curation, annotation quality control, and preparation of datasets for fine-tuning
- Collaborate with AI Engineers, Data Scientists, and Product Managers to deliver high-quality, production-ready features
- Continuously learn about GenAI models, evaluation techniques, and software/data engineering practices
- Up to 2 years of experience in AI/ML, data science, or software engineering
- Solid Python skills and knowledge of data tools (SQL, pandas, etc.); experience with ML or LLMs is a plus
- Interest in GenAI evaluation, model quality, and post-processing
- Curiosity, attention to detail, and a hands-on mindset
- Strong communication skills in English (French is a plus) and ability to work cross-functionally
- Eagerness to learn and grow in a fast-paced AI team
- Work on one of Mirakl's most strategic GenAI products
- Learn from senior AI engineers and contribute to meaningful production use cases
- Build a foundation in GenAI evaluation, annotation systems, and product-centric AI
- Collaborate with a multidisciplinary team bridging AI, product, and customer impact