Data Science Intern - GenAI

Brussels-Capital, Belgium March 7, 2026 Internship Greenhouse

 

Join Effixis, an Artefact Company: Shape the Future of Generative AI and Large Language Models (LLMs)

Are you passionate about generative AI and excited by the potential of Large Language Models ? Effixis, an Artefact company, is seeking an LLM Engineer Intern to join our innovative team. If you've already explored the world of LLMs or have a strong interest in generative AI, this is your chance to contribute to cutting-edge projects and gain hands-on experience in a dynamic, forward-thinking environment.

Who You Are

  • A student or recent graduate with experience experimenting with LLMs or a strong interest in generative AI and NLP.
  • Enthusiastic about applying theoretical knowledge to real-world challenges in AI.
  • Able to thrive in both collaborative and independent projects.
  • Eager to learn, adapt, and grow in a fast-paced, innovative setting.

Who We Are

Effixis is part of the Artefact Group, a leading Data & AI consulting firm operating at the forefront of NLP and LLM-driven innovation. With offices worldwide, we help clients across industries, including public health, manufacturing, and media, harness the power of generative AI. At Artefact, we value innovation, collaboration, and continuous learning, and we are committed to fostering an inclusive and supportive workplace.

What You Will Do

  • Collaborate with our data science team to experiment with LLMs and explore innovative generative AI use cases.
  • Contribute to the development and optimization of NLP and LLM-powered tools and products.
  • Assist in deploying and maintaining AI systems, including models, APIs, and related infrastructure.
  • Participate in brainstorming sessions and technical decision-making to shape cutting-edge solutions.

What You Bring

  • Hands-on experience with LLMs or a strong interest in generative AI.
  • Currently pursuing or holding a degree in computer science, mathematics, physics, or a related field.
  • Familiarity with Python and a willingness to learn NLP and AI frameworks (e.g., Hugging Face, OpenAI, Cohere).
  • Strong analytical and problem-solving skills.
  • Good communication skills in English or French (other languages are a plus).

What We Offer

  • Competitive internship compensation.
  • A chance to work with state-of-the-art LLM technology and contribute to groundbreaking projects.
  • A dynamic, supportive work environment that values creativity and professional growth.
  • Dedicated resources for training and development.

This position is based in Brussels.

Don’t worry if you don’t meet all the criteria! We value motivation and potential above all else. We’d love to hear from you and learn more about your passion for generative AI.

 

Apply on company site

How to Get Hired at Artefact

  • Tailor every application to the specific Artefact role by mirroring the exact technical terms, tools, and frameworks mentioned in the job description — Greenhouse will parse and match these keywords directly
  • Frame every resume bullet point as a business impact story: connect your technical work (the model, the pipeline, the dashboard) to a client or organizational outcome (revenue increase, cost reduction, time saved)
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