Responsibilities:
AI
& Agentic Application Development
· Design, develop, and deploy AI-powered applications using
LLMs and Agentic AI architectures.
· Build reliable AI workflows utilizing tool/function calling,
structured outputs, memory management, state handling, and error recovery.
· Implement and maintain production AI systems with strong
focus on scalability, observability, security, and reliability.
· Leverage AI-assisted development tools for coding, code
review, testing, and validation.
· Define and execute AI evaluation frameworks, including
experimentation, model assessment, performance measurement, and statistical
analysis.
Python
Engineering & API Development
- Develop high-quality,
maintainable Python applications following software engineering best
practices.
- Build and maintain RESTful
APIs using FastAPI.
- Implement API contracts,
request/response validation using Pydantic, and streaming responses.
- Develop automated test
suites and maintain CI/CD pipelines.
- Apply asynchronous
programming techniques to improve application performance and
scalability.
RAG,
LLMs & Machine Learning
- Design and implement
Retrieval-Augmented Generation (RAG) solutions.
- Optimize chunking
strategies, embeddings, hybrid retrieval, reranking, and retrieval
quality.
- Evaluate and improve AI
system performance using quantitative metrics.
- Apply machine learning
techniques to predictive and prescriptive business problems.
- Demonstrate strong
understanding of LLM architecture, tokenization, embeddings,
transformers, attention mechanisms, and model limitations.
Data
& Business Translation
- Translate business
requirements into measurable technical solutions and acceptance
criteria.
- Design and optimize data
models for SQL and NoSQL databases.
- Work with Cosmos DB and
other scalable data platforms.
- Collaborate with product,
business, and engineering teams to deliver end-to-end solutions.
Azure
AI & Cloud Solutions
- Design AI solutions
utilizing:
- Azure AI Foundry
- Azure AI Search
- Azure OpenAI / LLM
Services
- Azure Functions
- Azure Cosmos DB
- Azure Blob Storage
- Deploy, monitor,
troubleshoot, and optimize AI applications on Azure.
Profile Description:
- 10+ years of software
engineering experience, with 5-6+ years focused on AI, GenAI, LLMs, and
cloud-native application development.
- Strong Python expertise
with proven experience in building scalable, maintainable, and
well-tested applications.
- Hands-on experience
developing APIs using FastAPI, Pydantic, asynchronous programming, and
streaming responses.
- Proven track record
delivering production-grade AI solutions, including deployment,
monitoring, troubleshooting, and operational support.
- Experience building
Agentic AI applications using tool/function calling, structured outputs,
workflow orchestration, memory, and state management.
- Strong understanding of
RAG architectures, embeddings, hybrid search, reranking, and retrieval
evaluation.
- Solid foundation in
machine learning, statistics, experimentation, and AI model evaluation.
- Deep understanding of LLM
concepts, including tokenization, embeddings, transformers, attention
mechanisms, and model limitations.
- Experience implementing AI
safety, observability, prompt-injection protection, and data governance
practices.
- Hands-on experience with
LangGraph or similar orchestration frameworks.
- Strong knowledge of SQL
and NoSQL databases, including Cosmos DB and data modeling best
practices.
- Experience working with
Azure AI Foundry, Azure AI Search, Azure OpenAI, Azure Functions, Blob
Storage, and related Azure services.
- Ability to translate
business requirements into measurable outcomes and scalable technical
solutions.
- Familiarity with CI/CD,
Agile/Scrum methodologies, and modern software engineering practices.
- Strong problem-solving,
communication, stakeholder management, and collaboration skills.
- Demonstrates ownership,
continuous learning, knowledge sharing, and a passion for engineering
excellence.
- Exposure to Polars, Kedro,
Grafana, advanced data engineering, and advanced machine learning
techniques is a plus.
Nice to have
Competencies:
- Working experience in a SAFe
environment is a plus.
- Experience working with European
clients
Skills Required
- 10+ years of software engineering experience
- 5–6+ years focused on AI, generative AI, LLMs, and cloud-native application development
- Strong Python expertise building scalable, maintainable, and tested applications
- Hands-on experience with FastAPI, Pydantic, asynchronous programming, and streaming responses
- Experience delivering production-grade AI solutions, including deployment, monitoring, troubleshooting, and operational support
- Experience building agentic AI applications with tool or function calling, structured outputs, workflow orchestration, memory, and state management
- Strong understanding of RAG architectures, embeddings, hybrid search, reranking, and retrieval evaluation
- Foundation in machine learning, statistics, experimentation, and AI model evaluation
- Deep understanding of LLM concepts, including tokenization, embeddings, transformers, attention mechanisms, and model limitations
- Experience implementing AI safety, observability, prompt-injection protection, and data governance practices
- Hands-on experience with LangGraph or a similar orchestration framework
- Knowledge of SQL and NoSQL databases, including Cosmos DB and data modeling
- Experience with Azure AI Foundry, Azure AI Search, Azure OpenAI, Azure Functions, Blob Storage, and related Azure services
- Ability to translate business requirements into measurable outcomes and scalable technical solutions
- Familiarity with CI/CD, Agile/Scrum methodologies, and modern software engineering practices
- Strong problem-solving, communication, stakeholder management, and collaboration skills
- Exposure to Polars, Kedro, Grafana, advanced data engineering, and advanced machine learning techniques
- Experience working in a SAFe environment
- Experience working with European clients
What We Do
Colruyt Group operates in the food and non-food distribution sector in Belgium, France and Luxembourg with more than 700 own stores and over 1.000 affiliated stores. In Belgium, this includes Colruyt Lowest Prices, Okay, Comarkt, Bio-Planet, Cru, Bike Republic, Zeb, PointCarré, The Fashion Store and the affiliated stores Spar and PointCarré. In France, in addition to Colruyt stores and DATS 24 filling stations, there are also affiliated Coccinelle, Coccimarket, Panier Sympa, Épi Service, VivÉco and PointCarré stores. Jims operates fitness clubs in Belgium and Luxembourg. Newpharma is the Belgian online pharmacy of Colruyt Group. Solucious and Culinoa deliver foodservice and retail products to professional customers in Belgium (hospitals, SMEs, hospitality industry, etc). The activities of Colruyt Group also comprise printing and document management solutions (Symeta Hybrid). Colruyt Group also holds interests, including in Virya Energy (to which DATS 24 belongs since June 2023), Dreamland and Smartmat (known from Foodbag). The group employs more than 33.000 employees and recorded a EUR 10,8 billion revenue in 2023/24. Colruyt Group NV is listed on Euronext Brussels (COLR) under ISIN code BE0974256852. Company No. 0880.364.278 [email protected]







