Senior Data Scientist - AI Lab

Sendinblue; Paris; Hybride; EUR 60 000 - 80 000; Plein temps

Résumé du poste

A leading CRM solution provider in Paris seeks a skilled Machine Learning Engineer with expertise in Python and LLMs. You will build personalization systems and optimize AI architectures, collaborating with product teams. The ideal candidate has over 5 years of experience, particularly in production environments. This role offers a remote-friendly setup and practical perks including meal vouchers and healthcare.

Prestations

RTT days off

50% public transport reimbursement

Daily meal vouchers (€12.50 / day)

Access to English classes

Private healthcare (70% covered)

Qualifications

• 5+ years of Python experience in production environments.
• Strong experience with LLMs and RAG systems.
• Proven track record deploying and monitoring ML models at scale.
• Ability to work with diverse data types.

Responsabilités

• Build personalization systems for customers.
• Optimize RAG architectures.
• Deploy ML models using Kubernetes.
• Collaborate with product teams on new AI capabilities.

Connaissances

Python

LLMs

Kubernetes

Machine Learning

Data processing

Outils

GCP

FastAPI

MongoDB

PostgreSQL

Neo4j

Description du poste

Overview

Brevo is the leading and fast-growing Customer Relationship Management (CRM) suite designed to enable millions of organizations to connect with people using technology for their success. Our platform gives businesses a unified view of the entire customer journey, empowering them to grow with intuitive marketing and sales tools, including Marketing Automation, Email, Push, SMS, WhatsApp, Chat, and much more. As a proud B Corp certified company, we are committed not only to performance but also to purpose—meeting high standards of social and environmental impact. Today, more than 500,000 businesses across 180 countries, including Louis Vuitton, Carrefour, eBay, and Michelin, trust Brevo’s reliable technology and 75+ integrations to deliver unparalleled customer experiences, reduce costs, and drive sales. Brevo reached €179M ARR in 2024 (35% growth year on year) and has close to 1,000 employees globally. Our AI Lab is transforming how businesses interact with their customers through cutting-edge AI technologies. In just 6 months, we\'ve shipped AI features that are used daily by thousands of customers. We move fast, ship quality, and push boundaries. The team consists of : - VP AI and AI Director providing leadership- Senior Data Scientists and Engineers- Product Managers driving AI product strategy

Your Impact at Brevo

• Build personalization systems that adapt our platform to each customer\'s unique context and needs
• Optimize RAG architectures for knowledge retrieval, embedding strategies, and multi-modal data processing
• Deploy ML models to production using Kubernetes and modern MLOps practices on GCP
• Create intelligent targeting models for audience selection and content optimization
• Monitor and measure impact of AI features, ensuring ROI and performance standards
• Collaborate with product teams to identify and prototype new AI capabilities

Who you are

• 5+ years of Python experience in production environments
• Strong experience with LLMs and RAG systems (vector databases, embeddings, retrieval optimization)
• Proven track record deploying and monitoring ML models at scale
• Experience with cloud platforms (GCP preferred) and Kubernetes
• Ability to work with diverse data types (text, web content, structured data)

If you don’t meet all the requirements below but believe this opportunity matches your expectations and experience, we still encourage you to apply!

Nice to have

• Experience with Langchain, LangGraph, or similar LLM frameworks
• Knowledge of CRM or marketing automation platforms
• MLOps tools experience (ZenML, MLflow)
• Background in personalization or recommendation systems

What you\'ll accomplish

• Drive the success of a product used by 500,000+ businesses worldwide
• Build with state-of-the-art AI technologies
• Shape key AI initiatives in a flat structure, working directly with the AI Director

Our Technical Stack

• Python
• GCP (BigQuery, Vertex AI)
• Kubernetes
• FastAPI
• Langchain
• MongoDB
• PostgreSQL
• Neo4j

Why people love working at Brevo

• A place to grow, together: Join an international team in a bright, collaborative office located in a vibrant neighbourhood.
• Practical perks for everyday balance: RTT days off, 50% public transport reimbursement, Sustainable Mobility Package, and daily Swile meal vouchers (€12.50 / day).
• Learning, every step of the way: Access to English classes and 155,000+ courses on Udemy, plus a strong internal culture of knowledge-sharing and support.
• Flexible for life: A remote-friendly setup, budget to support your home workspace, and relocation assistance for international talents.
• Wellbeing that works: Private healthcare (70% covered), 6-week second-parent leave, extra time off if your child is sick, and wellbeing services on Welii platform.
• A culture that cares: Inter-office trips, regular team events, active social, green, and LGBTQIA+ communities, plus Work Council benefits via Leeto.

Our candidate journey

• HR screening (30 min)
• Technical discussion with AI Director and the VP AI meeting (1 hour)
• Meet the AI Team for a!
• Reference check

Brevo puts diversity and inclusion at the heart of its values. We examine all applications with treatment based on equal skills and applying the principles of non-discrimination. Brevo values work-life balance and offers flexible working hours and remote work. This policy is based on a mutual understanding between the Head of, Managers, and Team Members.