LLM Solutions Engineer

Description de la mission

LLM Solutions Engineer
We are looking for an LLM Solutions Engineer to design, develop and deploy application prototypes based on Large Language Models. The role involves building end-to-end LLM workflows, integrating retrieval-augmented generation (RAG), ensuring secure cloud deployment, and collaborating with technical and non-technical stakeholders in a multicultural environment.
Near-site position requiring ability to reach Luxembourg premises within approximately 2 hours.
Occasional on-site presence required for meetings.
Responsibilities
Design the logic, workflow, and architecture of LLM-based application prototypes for various use cases involving multimodal inputs and text-generation outputs.
Develop and maintain prototypes using proprietary LLMs (Azure OpenAI) or locally hosted models (HuggingFace).
Build and maintain vector databases for RAG, including embeddings, vectorisation, chunking, semantic similarity, ranking, and retrieval workflows.
Implement and maintain end-to-end cloud deployments, particularly in Azure.
Ensure implementation of security and data protection best practices.
Perform testing, debugging, and optimisation of prototypes.
Deliver clear, structured technical documentation.
Conduct technology watch on LLMs, cloud technologies, and new frameworks.
Participate in project coordination, operational meetings, and occasional user meetings.
Work collaboratively with cross-functional teams in an international environment.
Understand user needs and ensure solutions meet both technical and functional expectations.
Profile
Bachelor’s degree
Strong knowledge of Large Language Models and LLM-based application architecture.
Proficiency in Python and JavaScript/TypeScript.
Good knowledge of Angular, HTML, CSS, Node.js, and web application design.
Experience with Azure OpenAI (Amazon Bedrock is an asset).
Experience with vector stores/databases and embedding techniques for RAG.
Familiarity with LangChain, LlamaIndex or similar LLM frameworks is an asset.
Knowledge of REST, SOAP, Git, and software architecture best practices.
Ability to troubleshoot efficiently in rapidly evolving cloud and distributed system environments.
Relevant technical certifications (cloud, development, AI/LLM, security) are considered an asset.
Why Cronos Group?
We’ll propose you:
An attractive salary package
A good work-life balance environment
The assurance of working in cutting-edge technologies in an entrepreneurial spirit.
The opportunity to develop your skills thanks to tailor-made training courses according to your needs
A good job in a friendly place
If you wish to integrate a dynamic structure on a human scale while working with the latest technologies, don’t wait anymore and join Cronos!
Description société
Cronos Europa is an IT and digital communications company uniquely dedicated to serving the European institutions, agencies and bodies.
From the European Union to EUROCONTROL, we partner with a range of supranational and interinstitutional authorities.
Our mission is to arm them with the tools they need to thrive in the digital age.
Every aspect of our organisation is designed to complement their capabilities – from our people to our processes and our premises.
Our brand combines the expertise of former companies Cronos International and C-Dev, with the creative skills of Inspiiro and the breadth of capabilities of the Cronos Group.
Today, Cronos Europa employs over 1,000 people in offices across Belgium, Luxembourg and the Netherlands, serving institutions across diverse framework contracts.
Cronos Europa is part of the Cronos Group, one of the largest IT service providers in the Benelux, employing over 8,000 people across 200 competence centres.
By leveraging the Group’s resources, Cronos Europa can help clients extract value from new and emerging technologies, for everything from Artificial intelligence to Zg Quantum.
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