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Senior Web Developer – AILLM Integration DIGI000571

ITProposal

Job Location:

Brussels - Belgium

Monthly Salary: Not provided by the employer

Posted: 9 September 2026 (Yesterday)

Application Deadline: 7 December 2026

Vacancies: 1 Vacancy

Job Summary

Senior Web Developer AI/LLM Integration

Role Overview

We are looking for a Senior Web Developer to contribute to the development and integration of innovative digital applications within a multidisciplinary Agile team. The role focuses on JavaScript/ React microservices and AI/LLM integration.

Key Responsibilities

Design develop test debug and maintain high-quality web applications.
Develop scalable and maintainable solutions using JavaScript and React.
Design and integrate microservices and distributed applications.
Work with Docker RabbitMQ PostgreSQL and Redis.
Contribute to application architecture and technical solution design.
Support and coach other developers and take a leading role within the development team.
Integrate AI/ML models LLMs VLMs and RAG into applications.
Work on multimodal AI solutions involving text images and video.
Apply Agile/Scrum methodologies throughout the development lifecycle.

Requirements

Minimum 5 years of experience in web/software development.
Strong experience with:
- JavaScript
- React
- CSS
- Microservices
- Docker
- RabbitMQ
- PostgreSQL or another relational database
Strong programming testing and debugging skills.
Experience leading or coaching development teams.
Experience with Agile/Scrum methodologies.
Knowledge of AI/ML LLMs/VLMs prompt engineering and AI model integration is a strong advantage.
Knowledge of vector databases and RAG is an advantage.
Experience with data preprocessing fine-tuning or multimodal applications is a plus.
Knowledge of Elixir is an advantage.
Dutch: CEFR C2/native-level proficiency.