-
Uni Systems

NLP Machine Learning Engineer

Uni Systems
Belgium · Full-time · Mid-Senior

At Uni Systems, we are working towards turning digital visions into reality. We are continuously growing and we are looking for a professional NLP Machine Learning Engineer to join our Brussels, Belgium UniQue team

What will you be bringing to the team?

  • Design, implement and optimise advanced AI, NLP, and ML models. Use LLMs, RAG frameworks, and other state-of-the-art approaches.
  • Create methods for tokenisation, part-of-speech tagging, named entity recognition, classification, clustering and other text mining-related tasks.
  • Fine-tune pre-trained models on domain-specific tasks.
  • Conduct thorough research and stay updated on the latest trends and advancements in NLP, ML, and AI technologies.
  • Develop and maintain robust, scalable, and efficient code using Python.
  • Collaborate with cross-functional teams to integrate AI/ML solutions into existing products and services.
  • Perform rigorous analysis and experimentation to improve model accuracy, efficiency, and scalability.
  • Participate in peer reviews and contribute to the continuous improvement of AI solutions.
  • Contribute to the design and implementation of ML application architecture and its solution stack.
  • Develop comprehensive reports and visualisations to communicate insights and findings to stakeholders.

Requirements

What do you need to succeed in this position?

  • Master + 13 years of relevant experience
  • Experience in Machine Learning and Natural Language Processing.
  • Excellent knowledge of Python and libraries (e.g. Pandas, SpaCy, NLTK, Hugging Face).
  • Experience with deep learning frameworks for complex model architecture such as TensorFlow or PyTorch.
  • Experience with AI-powered code assistants (e.g., Amazon Q, Github Copilot), staying updated with advancements in AI-driven code technologies.
  • Good knowledge of SQL tooling (Oracle, PostgreSQL).
  • Knowledge of NoSQL databases (Elasticsearch, MongoDB).
  • Knowledge of architectural design of scalable ML solutions such as model servers, GPU resource optimisation.
  • Experience with A/B testing and experimental design of ML models.
  • Experience with pre-trained models and LLMs like GPT, and other Transformer-based architectures.
  • Experience with tools like Matplotlib and Seaborn for creating data visualizations.
  • Strong understanding of linguistics and text processing techniques.
  • Proficient in continuous code delivery and unit testing.
  • Understanding of bias in ML applications and bias mitigation techniques.
  • Knowledge in one of the following areas: predictive (forecasting, recommendation), prescriptive (simulation), topic detection, plagiarism detection, trends/anomalies detection in datasets, recommendation systems.
  • Proficiency in understanding and applying statistical concepts and models.
  • Ability to formulate problems and develop solutions using data-driven approaches.
  • Effectively communicating complex data insights to non-technical stakeholders.
  • Ability to write clear and well-structured documentation
  • Good communication skills in English, both orally and in written form.

At Uni Systems, we are providing equal employment opportunities and banning any form of discrimination on grounds of gender, religion, race, color, nationality, disability, social class, political beliefs, age, marital status, sexual orientation or any other characteristics. Take a look at our Diversity, Equality & Inclusion Policy for more information. 

Key Skills

Ranked by relevance

ai machine learning elasticsearch deep learning simulation tensorflow matplotlib seaborn python oracle pandas nosql sql
Login to Apply
Posted
Jan 19, 2026
Type
Full-time
Level
Mid-Senior
Location
Brussels

Industries

IT Services IT Consulting

Categories

Information Technology

Related Jobs

3 roles aligned with this opportunity

View all jobs
View Job Details
Uni Systems
Related

Cyber Security Engineer

2026-05-08

Full-time
Mid-Senior
Belgium
IT Services
Information Technology
View Job Details
Jobgether
Related

AI Research Engineer (Multi-Modal Reinforcement Learning)

2026-05-28

Full-time
Not Applicable
Belgium
Internet Marketplace Platforms
Engineering
View Job Details
Uni Systems
Related

Data Scientist

2026-05-07

Full-time
Mid-Senior
Belgium
IT Services
Information Technology