Senior AI Engineer

About

A propos

Mirakl est le leader des solutions logicielles pour le e-commerce. Nous offrons aux entreprises une suite unique de solutions leur permettant de transformer en profondeur leur e-commerce et de stimuler une croissance durable et rentable.

Depuis 2012, Mirakl accompagne les acteurs B2C et B2B avec une technologie de pointe, sécurisée et évolutive, pour :

Digitaliser leurs activités et élargir leur offre via la marketplace ou le dropship,

Simplifier la gestion des catalogues et des paiements fournisseurs, améliorant ainsi l’efficacité opérationnelle,

Augmenter la rentabilité grâce au retail media.

Nous nous engageons également à créer un environnement inclusif et collaboratif, où chaque collaborateur peut s’épanouir et contribuer pleinement à notre réussite commune.

Chiffres clés

  • Fondée en 2012 et membre du French Tech Next40.

  • +750 collaborateurs représentant plus de 40 nationalités à travers le monde.

  • +450 clients B2C et B2B répartis dans plus de 40 pays, parmi lesquels Airbus, Asos, Carrefour, Decathlon, Galeries Lafayette, H&M, Leroy Merlin, Maisons du Monde et Macy’s.

  • +9 bureaux dans le monde : Paris, Barcelona, Bordeaux, Boston, London, München, New York, Sydney, Tokyo.

Nos valeurs

Travailler chez Mirakl, c’est accélérer votre carrière aux côtés de collègues ambitieux, passionnés et bienveillants. Nous sommes fiers de la diversité des parcours, des perspectives et des expériences qui rendent nos équipes – et Mirakl dans son ensemble – si uniques et dynamiques.

Chez Mirakl, nous adoptons 5 valeurs conçues pour orienter la manière dont nos équipes collaborent et interagissent les unes avec les autres :

💡 Work Hard Together : Nous croyons en l’importance du travail d’équipe et de la collaboration comme fondements de notre succès.

🏆 Get Things Done : Nous privilégions l’action et l’efficacité pour atteindre des résultats impactants.

🚀 Go Above & Beyond : Nous relevons les défis avec proactivité et visons toujours l’excellence.

🎓 Succeed Through Expertise : Le partage des connaissances et l’apprentissage continu sont au cœur de notre culture.

🤝 Satisfy & Empower Clients : Nous sommes engagés à assurer la réussite de nos clients.

Au quotidien, ces valeurs se traduisent par des actions concrètes qui guident notre manière de travailler, de progresser et de nous connecter les uns aux autres.

Job Description

About Mirakl:

Founded in 2012, Mirakl has been at the forefront of marketplace innovation, empowering every business to compete in the platform economy.

Today, Mirakl’s operating system combines an enterprise marketplace solution (Mirakl Platform) that enables retailers and B2B organizations to launch, scale, and operate marketplaces and dropship, AI-powered multichannel selling (Mirakl Connect), retail media (Mirakl Ads) and an agentic commerce infrastructure (Mirakl Nexus).

With dual headquarters in Boston and Paris, Mirakl helps a global ecosystem of 450+ marketplaces (B2C and B2B) and a network of over 100k third-party marketplace sellers. Brands like Macy’s, Decathlon, Carrefour, Asos, and Airbus Helicopters use Mirakl to grow their businesses in new and remarkable ways.

For more information: www.mirakl.com.

Mirakl in Numbers:

  • 🗓️ Founded in 2012 | Member of French Tech Next40
  • 👥 750+ employees in 9 offices worldwide: Paris, Barcelona, Bordeaux, Boston, London, Munich, New York, Sydney, Tokyo
  • 🇫🇷 350+ Mirakl Tech teams members mainly based in France
  • ⚙️ 5 Saas Solutions

Our Values:

Working at Mirakl means accelerating your career alongside ambitious, passionate, and supportive colleagues. We're proud of the diversity of backgrounds, perspectives, and experiences that make our teams unique.

Our 5 values guide how we collaborate:

  • 💡 Work Hard Together: Teamwork and collaboration are the foundation of our success
  • 🏆 Get Things Done: We prioritize action and efficiency for impactful results
  • 🚀 Go Above & Beyond: We tackle challenges proactively and always aim for excellence
  • 🎓 Succeed Through Expertise: Knowledge sharing and continuous learning are core to our culture
  • 🤝 Satisfy & Empower Clients: We're committed to our clients' success

About the job

Design, build, and scale production-grade AI systems that power the next generation of intelligent commerce.

You will work at the intersection of Software Engineering, Machine Learning, and Generative AI to build AI-native products, agentic systems, and platform capabilities used by Mirakl customers and internal teams.

This is a permanent position (CDI) based in Paris or Bordeaux, with 4 days on-site per week.

Why Now, Why Mirakl

Generative AI and AI Agents are fundamentally reshaping commerce software and the way our teams work on a day to day basis.

At Mirakl, AI is becoming a core part of our product strategy. From Catalog Transformer and content generation to AI Agents and Agentic Commerce, we are building the next generation of commerce software. And we have the same ambition for our teams around AI products and adoption.

We are looking for a Senior AI Engineer to transform the way our internal teams work, and to have a significant impact on the agentic side of our Saas products.

You won't be joining a company that's thinking about AI. You'll be joining one that's already building it.


What You’ll Do

1. Design & Build AI Systems

  • Design, build, and deploy production-grade AI systems for both Mirakl internal operations.
  • Develop solutions leveraging: LLMs, RAG, AI Agents, Multimodal AI and Evaluation frameworks.
  • Architect complex agentic workflows including tools, memory, retrieval, planning, and guardrails.
  • Rapidly prototype new capabilities and evolve them into scalable, reliable AI production systems.

2. Integrate Across the Stack

  • Connect AI systems to internal platforms, business applications, and data sources across the company.
  • Enable AI agents to interact with systems such as CRM, data platform, Drive, Jira, support tools, and internal knowledge bases.
  • Design robust orchestration layers between models, APIs, tools, retrieval systems, and business workflows.
  • Ensure reliability, observability, scalability, and maintainability across the entire AI stack.

3. Iterate for Impact

  • Partner with end users, business teams, Product Managers, and Engineers to identify high-value opportunities for AI.
  • Run pilots and experiments, gather qualitative and quantitative feedback, and measure business impact.
  • Analyze usage patterns, failure modes, costs, latency, and performance metrics.
  • Continuously improve accuracy, reliability, adoption, and user experience through data-driven iteration.

4. Ensure Quality, Security & Reliability

  • Implement evaluation frameworks, guardrails, validation layers, and monitoring systems.
  • Design AI systems that are secure, explainable, and production-ready.
  • Ensure compliance with data security, governance, and access control requirements.
  • Document architectures, capabilities, limitations, KPIs, and operational best practices.

5. Drive Adoption & Enablement

  • Build a scalable ecosystem of AI systems and agents that empower both internal teams and customers.
  • Support teams in adopting AI-powered workflows and integrating AI into their daily operations.
  • Contribute to AI engineering standards, reusable frameworks, and best practices across the company.
  • Act as a champion for AI-driven ways of working and help shape Mirakl's transition toward Agentic Commerce.



Our stack and tools

  • Languages: Python and SQL

  • AI Stack: OpenAI, Anthropic, Gemini, Mistral and Open-source models

  • Agentic & Retrieval: LangGraph, LangChain, LlamaIndex, MCP and Vector Databases

  • Infrastructure: AWS or GCP, Docker and Kubernetes

What Makes You Successful

  • Strong engineering mindset: able to design reliable and scalable systems
  • Strong AI expertise: able to translate the latest AI capabilities into production products
  • Strong product mindset: able to balance technical excellence with business impact
  • Focus on measurable outcomes, not technical complexity

Success Metrics

  • Product adoption and business impact
  • Performance and reliability of AI systems
  • Quality of AI outputs and evaluation metrics

You'll Love This Job If you have

  • 5+ years of experience in Software Engineering, ML Engineering, Applied AI, or related fields
  • Strong Python and software engineering fundamentals
  • Hands-on experience building production AI systems using LLMs, RAG, and AI Agents
  • Experience designing multi-step agentic workflows and retrieval systems
  • Experience evaluating AI systems and improving model performance
  • Experience deploying and operating production services in cloud environments
  • Strong communication skills in English
  • Curiosity, pragmatism, and passion for building AI products

Feel free to add a link to your GitHub in your CV so we can understand what you have worked on!

Want to join us? Here is our process


  • A 30-40 min phone conversation with one of our Tech recruiters. This will be an opportunity to discuss your background, expectations, and discover what Mirakl can offer you in return.

  • An initial 1 hour technical discussion with a member of the Data Science team and Engineering Team, which will allow you to delve into the more specific aspects of your expertise and discover how your skills can be integrated into our projects.

  • 2 x 45-minute "STAR" interviews with future Mirakl colleagues to discuss our values and company culture.

We welcome collaborators with their diverse perspectives and experiences to power us forward. These often far exceed conventional job requirements and help us create a culture of continuous learning. If you’re ready to join a global leader powering digital transformation for 450+ of the world’s most innovative retailers and B2B organizations.

As part of our recruitment process, Mirakl processes your personal data to review and manage your application and, where appropriate, to consider your profile for future opportunities. You can exercise your data protection rights at any time, and as further detailed in our policies. For more information about how we process your personal data and your rights, please consult our Recruitment Privacy Notice, here in English and here in French.

We may use Artificial Intelligence (AI) solutions to help streamline our hiring process, including screening applications, analyzing resumes, and assessing responses. While AI helps us work efficiently, all final hiring decisions are made by humans. For more information, visit our AI Guidelines for Candidates and Interviews.

Additional Information

  • Contract Type: Full-Time
  • Location: Paris
  • Possible partial remote