Woluwe-Saint-Pierre - Sint-Pieters-Woluwe, Brussels-Capital, Belgium · Hybrid
Location: Brussels, Belgium (Hybrid: 2-3 days remote per week) Status: Freelance About Smile Passionate about tech, digital, and innovation? Join the 1,800 employees at Smile, the European leader in open-source integrati…
Skills: Python, LangChain, LlamaIndex, RAG, NLP
Woluwe-Saint-Pierre - Sint-Pieters-Woluwe, Brussels-Capital, Belgium · Hybrid
Location: Brussels, Belgium (Hybrid: 2-3 days remote per week) Status: Freelance About Smile Passionate about tech, digital, and innovation? Join the 1,800 employees at Smile, the European leader in open-source integrati…
Skills: Business Analysis, Technical Analysis, UML Modeling, GDPR Compliance, SOA
Woluwe-Saint-Pierre - Sint-Pieters-Woluwe, Brussels-Capital, Belgium · Hybrid
Location: Brussels, Belgium (Hybrid: 2-3 days remote per week) Status: Freelance / Independent Contractor About Smile Passionate about tech, digital, and innovation? Join the 1,800 employees at Smile, the European leader…
Skills: Oracle Service Bus, Axway API Gateway, IBM DataPower, OBPM, OpenShift 4.x
Woluwe-Saint-Pierre - Sint-Pieters-Woluwe, Brussels-Capital, Belgium · Hybrid
Location: Brussels, Belgium (Hybrid: 2-3 days remote per week) Type: Freelance Contract (Prestation de services) Experience Levels Available: Junior (1+ year of experience) Medior (3+ years of experience) Senior (10+ yea…
Skills: Data Lifecycle Management, Data Governance, GDPR Compliance, Information Security, Business Requirements Gathering
Woluwe-Saint-Pierre - Sint-Pieters-Woluwe, Brussels-Capital, Belgium · Hybrid
Location: Brussels, Belgium (Hybrid: 2-3 days remote / week) Contract Type: Freelance (Independent Contractor) Seniority Levels Available: Junior (1+ year exp.) | Medior (3+ years exp.) | Senior (10+ years exp.) About Sm…
Skills: Product Backlog Management, Agile Governance, Scrum, SAFe, DSDM
Woluwe-Saint-Pierre - Sint-Pieters-Woluwe, Brussels-Capital, Belgium · Hybrid
Location: Brussels, Belgium (Hybrid: 2-3 days remote / week) Contract Type: Freelance (Independent Contractor) Seniority Levels Available: Junior (1+ year exp.) | Medior (3+ years exp.) | Senior (10+ years exp.) About Sm…
Skills: API Design, SOA Principles, REST, SOAP, UML
Woluwe-Saint-Pierre - Sint-Pieters-Woluwe, Brussels-Capital, Belgium · Hybrid
Location: Brussels, Belgium (Hybrid: 2-3 days remote per week) Contract Type: Freelance (Prestation de services) Levels & Experience Required: Junior (1 year exp.) | Medior (3 years exp.) | Senior (10 years exp.) Languag…
Skills: Java, API Development, SOA, REST, Event-Driven Architecture
Woluwe-Saint-Pierre - Sint-Pieters-Woluwe, Brussels-Capital, Belgium · Hybrid
Location: Brussels, Belgium (Hybrid: 2-3 days remote per week) Type: Freelance Contract Levels Available: Medior (approx. 3 years exp.) | Senior (approx. 10 years exp.) | Junior (approx. 1 year exp.) Language Requirement…
Skills: Java, API Design, SOA, REST, SOAP
Woluwe-Saint-Pierre - Sint-Pieters-Woluwe, Brussels-Capital, Belgium · Hybrid
Want to create a positive impact through AI? Founded as one of the first AI companies in Belgium with a mission to create a meaningful impact, we are believers in automation and efficiency. We see Artificial Intelligence…
Skills: AI Engineering, MLOps, LLMs, RAG Pipelines, Python
Woluwe-Saint-Pierre - Sint-Pieters-Woluwe, Brussels-Capital, Belgium · Hybrid
Introduction Our Brussels team brings together curious and impact driven consultants with diverse methodological expertise and skills spanning evaluation, economics and data science. We deliver a broad portfolio of proje…
Skills: Public Policy Evaluation, Project Management, Quantitative Research, Qualitative Research, Stakeholder Consultation
Woluwe-Saint-Pierre - Sint-Pieters-Woluwe, Brussels-Capital, Belgium · Hybrid
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 …
Skills: Python, Scala, Java, SQL, Apache Spark
Woluwe-Saint-Pierre - Sint-Pieters-Woluwe, Brussels-Capital, Belgium · Hybrid
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 …
Skills: SQL, Power BI, Tableau, Looker, Metabase
Woluwe-Saint-Pierre - Sint-Pieters-Woluwe, Brussels-Capital, Belgium · Hybrid
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 …
Skills: Functional Analysis, Requirement Analysis, Functional Specifications, Functional Architecture, User Journey Mapping
Woluwe-Saint-Pierre - Sint-Pieters-Woluwe, Brussels-Capital, Belgium · Hybrid
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 …
Skills: Business Analysis, Functional Specifications, User Stories, Agile Methodologies, Scrum
Woluwe-Saint-Pierre - Sint-Pieters-Woluwe, Brussels-Capital, Belgium • Hybrid
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Design, deploy, and optimize conversational AI systems, LLMs, and RAG architectures for a major client. Responsibilities include developing Python-based AI applications, managing security and GDPR compliance, and collaborating in Agile sprints.
Candidates need experience in NLP and LLM development, ranging from 1 to 5+ years depending on seniority. Proficiency in Python, GenAI frameworks, and fluency in English plus either Dutch or French is required.
Location: Brussels, Belgium (Hybrid: 2-3 days remote per week)
Status: Freelance
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! 🏆
We are actively looking for highly skilled Conversational LLM AI Experts at Junior, Medior, and Senior levels to join our team on behalf of one of our major clients. In this role, you will be at the forefront of AI innovation, designing, deploying, and optimizing cutting-edge conversational systems, Large Language Models (LLMs), and retrieval-augmented generation (RAG) architectures.
Depending on your seniority level, you will either help build and test conversational flows or drive the end-to-end AI architecture, leading security, scalability, and performance strategies.
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.
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.
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.
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)
Our proximity management by peers fosters dialogue and the implementation of a tailored career path.
Because the digital sector is in constant motion, Smile is committed to making you an expert in your field, thanks to a comprehensive training offer: access to an e-learning platform, financing of certifications, knowledge-sharing tools...
Your year will be animated by group and agency events: annual convention, participation in trade fairs, summer party, formal & informal afterworks.
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.
Creating Impact Together
We are Technology experts & Business partners. AI powered. Enabling digital autonomy. Smile is a European digital services group operating in 7 countries and bringing together 1,500 people. Our value proposition is built around three accelerators across all our areas of expertise: - Digital Autonomy : we provide solutions built on open source or European sovereign software, designed to keep full control over data, infrastructure and technology choices. - Agentic AI : native and integrated from day one, in every project, every team, every method, it accelerates transformation, optimises operations and unlocks new sources of business value. It is the backbone of everything we deliver. - The Factory : our factories bring together multidisciplinary teams, experienced in agile methods, capable of delivering exactly what they have promised. We operate across five domains: AI & Data, Customer Experience, Business Applications, Cloud Transformation & Management and Product & Industrial Systems. Smile relies on a network of highly specialised brands: Alter Way for cloud and hosting, UX-Republic for UX design and CRO, SensioLabs for Symfony, Neopixl for mobile and wearables, Synotis for data strategy in Switzerland, Creative Style for e-commerce in Germany.
Offices: 20 rue des jardins, Asnières sur seine, Ile de France 92600, FR · 7, Boulevard Louis XIV, Lille, Hauts-de-France 59800, FR · 10-12 rue Nicolas Appert, Nantes, 44000, FR · 2, Boulevard Jean-Jacques Bosc, Bordeaux, Nouvelle-Aquitaine 33130, FR · 107 boulevard de Stalingrad, Lyon, 69000, FR
There are currently 14 open data & analytics positions in Woluwe-Saint-Pierre - Sint-Pieters-Woluwe, Belgium listed on Clera. New openings are added daily as companies post roles.
Companies currently hiring include Smile, Sagacify, Technopolis Group, among others. Browse the listings above to see every active employer.
Yes — 14 of the 14 open data & analytics positions offer remote or hybrid work (0 remote, 14 hybrid).
Each listing links directly to the employer's application page. Apply early — fresh listings get the most recruiter attention in the first two weeks.
