ITproposal

Senior Web Developer – AI/LLM Integration DIGI000571

ITproposal  •  Brussels, BE (Onsite)  •  7 hours ago
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Job Description

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/Node.js, 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, Node.js, 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
  • Node.js
  • 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.

Assignment

  • Start: 28 September 2026
  • End: 15 July 2027
  • Workload: Full-time (100%)
  • Location: Belgium
  • Remote work: Possible
  • Positions: 1
ITproposal

About ITproposal

As ITproposal we have a very large network of engineers (with our own employees) where we support our Partners all over the world. We combine our experience and knowledge to deliver the best IT solutions. When creating or obtaining projects, we focus on the client and understanding their needs and expectations. We have the competences which allow us to offer a wide range of IT services.

Industry
IT & Software
Company Size
11-50 employees
Headquarters
Amsterdam, NL
Year Founded
2019
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