About the Position

Location: Brussels, Belgium (Hybrid: 2-3 days remote per week)

Status: Freelance

Join Smile Group as a Conversational LLM AI Expert in Brussels, Belgium. Work on cutting-edge AI projects with a hybrid work model.

About the Company

Passionate about tech, digital, and innovation? Join the 1,800 employees at Smile, the European leader in open-source integration, spread across 20 agencies in 9 countries. Collaborative spirit and knowledge sharing are at the heart of our DNA. Our experts push the boundaries of open source every day to build a smarter, more efficient, and more responsible digital world. Here, we don't just follow trends, we create them! 🌟 Join Smile in Brussels and take part in projects that truly matter! 🏆

Responsibilities

LLM Integration & Python Development: Develop and integrate robust LLM applications leveraging frameworks such as LangChain, LlamaIndex, and Python.
RAG & NLP Architecture: Design and optimize Retrieval-Augmented Generation (RAG) pipelines, vector databases, and advanced Natural Language Processing (NLP) systems.
Prompt Engineering & Conversational Design: Craft highly effective prompt strategies and design intuitive, multi-turn conversational experiences using tools like Botpress or Rasa.
Full-Stack & DevOps Delivery: Build clean Frontend/Backend integrations to support AI agents, and manage automated deployments using CI/CD and DevOps best practices.
AI Security & GDPR Compliance: Implement enterprise-grade security protocols for LLMs (handling prompt injection, data leakage) and ensure strict alignment with GDPR and data privacy regulations.
Agile Collaboration: Actively participate in Agile/Scrum sprints, translating ambitious business requirements into production-ready AI solutions.

Requirements

Experience Requirements:

Junior (J): 1+ year of experience working on NLP, chatbot development, or initial LLM projects.
Medior (M): 3+ years of proven experience building and deploying generative AI pipelines, RAG systems, and integrations in production.
Senior (S): 5+ years of extensive experience in NLP/AI engineering, architectural design of enterprise LLM agents, and leading complex AI security and scaling initiatives.

Technical Skills:

GenAI & LLM Stack: LangChain, Python, Prompt Engineering, RAG frameworks, Vector Stores.
NLP & Conversational Platforms: Natural Language Processing, Botpress, Rasa, or similar conversational design tooling.
Engineering & Deployment: Full-stack development skills (Frontend & Backend), DevOps practices, CI/CD pipelines.
Security & Governance: AI Security controls, GDPR compliance, data anonymization.
Frameworks: Agile/Scrum methodologies.

Language Skills:

Fluent in either Dutch (NL) or French (FR) (Minimum 3/4 - Professional Working Proficiency)
AND Fluent in English (EN) (Minimum 3/4 - Professional Working Proficiency)

We Offer

Proximity management by peers fosters dialogue and the implementation of a tailored career path.
Comprehensive training offer: access to an e-learning platform, financing of certifications, knowledge-sharing tools...
Year animated by group and agency events: annual convention, participation in trade fairs, summer party, formal & informal afterworks.

The Next Steps 🚀

First contact: A phone call to discuss your aspirations and what we can offer you.
Meeting: An opportunity to get to know each other and explore your professional background.
Business interview: A discussion with one of our experts to assess your skills and define your goals.

Location: Brussels

Remote status: Hybrid

Contract type: Freelance

Contact:

Sofia DANHIEZ

Talent Acquisition Specialist

Smile

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Conversational LLM AI Expert (Freelance)

Job description