Senior Full-Stack AI Developer – LLMs & Multimodal AI

Alsinova; Brussel Hoofdstad; Sur place; EUR 80 000 - 120 000; Plein temps

Avantages offerts par ce poste

Company car

Petrol card

Meal vouchers

Group insurance

Hospitalization

Résumé du poste

Astek Belgium is seeking a Senior Full-Stack AI Developer to join a cutting-edge project in the public sector, focused on digitalising operational interrogation and interview processes. You will work on full-stack applications using React/Node.js, integrating AI models and handling multimodal data in production environments.

The role requires 5+ years in AI app development, strong Node.js/React skills, Dutch at C2 level and good English.

Qualifications

• 5+ years of experience in AI application development.
• Strong experience with Node.js and React.
• At least 1 year of experience with Python.
• Hands-on experience with LLMs and/or VLMs such as GPT, Claude, LLaMA, CLIP or similar technologies.
• Experience integrating AI models through APIs.
• Solid knowledge of prompt engineering and AI model fine-tuning.
• Experience working with text, image and/or multimodal datasets.
• Experience developing multimodal AI applications.
• Native or C2-level Dutch and good English.
• Strong software engineering skills and a hands-on mindset.

Responsabilités

• Develop and maintain modern Full-Stack applications using React and Node.js.
• Integrate AI/ML models through APIs into existing and new applications.
• Build solutions leveraging LLMs and Vision Language Models (VLMs).
• Work on prompt engineering and model fine-tuning.
• Develop AI solutions combining text, image and video data.
• Design and manage data preprocessing and multimodal data pipelines; contribute to technical architecture and code quality.
• Collaborate with Data Scientists and AI specialists to bring innovative solutions into production.
• Take ownership of complex technical challenges and share knowledge with other developers.

Connaissances

Node.js

React

Python

LLMs

VLMs

API integration

Prompt engineering

Multimodal data

Multimodal apps

Dutch (C2)

English

AI software engineering

Outils

Docker

PostgreSQL

PyTorch/TensorFlow

OpenCV/YOLO/Detectron2

CUDA/NVIDIA tech

Description du poste

Astek Belgium is seeking a Senior Full-Stack AI Developer to join a cutting-edge project in the public sector, focused on digitalising operational interrogation and interview processes. You will work on full-stack applications using React/Node.js, integrating AI models and handling multimodal data in production environments.

The role requires 5+ years in AI app development, strong Node.js/React skills, Dutch at C2 level and good English.