Senior AI/NLP/Machine Learning Expert (hybrid in Belgium) - EU Institution
Confidential
Posted: March 17, 2026
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Quick Summary
We are looking for a Senior AI/NLP/Machine Learning Expert with expertise in hybrid AI/ML applications, with experience in EU institutions in Brussels, Belgium, who can contribute to the growth and success of our clients.
Required Skills
Job Description
Who are we?
Trasys International is a dynamic global organization that takes pride in being the trusted partner of EU Institutions. With strong commitment to excellence and a 30-years track record of delivering high-quality solutions, we are dedicated to supporting the growth and success of our clients. Our Mission is to help our clients keep up with the challenges of digital transformation by providing the right talent at the right time for the right job. To this end, we are constantly looking for talented professionals who are interested in working on challenging international projects and able to deliver high-quality results within multicultural environments. Our services include (but are not limited to) modernization of solutions, digital workspaces, cloud technologies and IT security. Our Headquarters are in Brussels and we have active accounts and offices across Europe (i.e. Luxembourg, Amsterdam, Athens, Stockholm, Geneva).
Is this YOU?
For one of our main clients based in Brussels - an European Institution, we are looking for a Senior AI/NLP/Machine Learning Engineer to join our team in the area of legislation, policy and HR for different DGs of the EU Institutions’ network. In this regard, you will be part of the provision of corporate solutions, as an example: HR solutions - SYSPER, e-Sire, NDP; Financial rights solutions: NAP, Assmal2, MiPS, Sermed, PABS; Personal selection solutions: Talent Suite, Candidate portal; Document management solutions: ARES, HAN; Decision making process solutions: DECIDE, LEOS/EdiT, ECI, and others. The solution assignment may change over time, according to the portfolio/project/service needs. You will play a crucial role in supporting the innovation policies and decisions, enabling the successful implementation of the client's digital transformation and EU policies.
For the needs of the client, you must be based in Belgium and work on hybrid mode (office time 1-2 times per week) and have full rights to work in Belgium as a freelancer/contractor on B2B basis.
As AI/NLP/ML Expert, you will perform the following tasks:
• Development and maintenance of software applications in the field of Natural Language Processing (NLP), Machine Learning (ML) and/or Artificial Intelligence (AI);
• Training of custom machine learning / deep learning models based on structured and unstructured data;
• Selecting features, building and optimizing classifiers using machine learning techniques;
• Performing studies and developments aiming at improving the quality of machine translation (MT) engines for each installed language pair, addressing the specific needs of customers of the service concerning MT quality and contributing to a general strategy for the systematic evaluation and long-term improvement of MT quality;
• Interacting with data stewards and other IT stakeholders to define the data rules;
• Processing, cleansing, and verifying the integrity of data used for analysis;
• Designing the IT architecture for solutions in the NLP / ML / AI fields, and coordinate its implementation considering master- and meta-data management concepts;
• Interacting with the business analysts, customer, users, project leaders and the developers.
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