Senior AI Engineer

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- Company Description

Our client is a Paris-based fintech SaaS company developing proprietary financial data and analytics tools for institutional clients, including analysts, portfolio managers, and research teams.

Operating with a lean team (~15 people), our client combines analytical rigor, strong engineering standards, and fast execution.

The company has recently raised €4 million, enabling them to accelerate product development and significantly expand their technical team.

Their mission: empower financial professionals to extract high-value insights from complex data through cutting-edge technology.

- Role Overview

As a Senior AI Engineer, you will be the go-to expert for all AI-related initiatives within the company.

You will work on high-impact projects, from designing data pipelines to integrating LLM-powered features into production-ready products. This is a highly hands-on role with strong ownership and close collaboration with product and engineering teams.

You will also play a key role in shaping the AI roadmap and laying the foundation for future AI initiatives.

- Key Responsibilities

• Define and lead the AI/ML roadmap (model selection, fine-tuning strategies, RAG architectures, evaluation frameworks)

• Design and deploy LLM-powered features (document understanding, financial data extraction, semantic search, AI-assisted analysis)

• Integrate AI capabilities directly into the product in collaboration with product and engineering teams

• Build and maintain robust data pipelines (training & inference) on a PostgreSQL / GCP stack

• Evaluate tools, frameworks, and models (open-source and proprietary) based on cost-performance trade-offs

• Ensure high data quality standards across AI systems

• Guarantee compliance with GDPR and DORA regulations

• Stay up to date with emerging AI technologies and assess their real business value

• Mentor team members on AI/ML best practices

- Candidate Profile

Must-have

• 5+ years of experience in AI, Machine Learning, or Software Engineering

• Proven experience deploying AI/ML systems in production

• Strong proficiency in Python 🐍

• Experience working with complex and unstructured data (NLP, documents, scraping…)

• Solid skills in feature engineering and data processing

• Ability to design robust, product-oriented systems

• Strong autonomy, analytical mindset, and results-driven attitude

• Excellent communication and collaboration skills

➕ Nice-to-have

• Experience with LLMs, RAG, or conversational systems

• Background in fintech or data-intensive environments

• Familiarity with cloud platforms (AWS, GCP, Azure)

• Experience with MLOps, data quality, or monitoring

• Previous experience in startups or fast-paced environments

- Practical Information

• 📍 Location: Paris

• 🏢 Work setup: Hybrid (3–4 days/week in the office)

• 📅 Start date: ASAP

• 📄 Contract: Permanent (CDI equivalent)

- Compensation & Benefits

• 💰 Salary: Depending on experience ( + stock options )

• 🚀 High-impact role with strong ownership on AI strategy

• 🧠 Cutting-edge technical environment

• 📈 Fast-growing startup environment