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Maciej Z.MZ

Maciej Z.

Supermalter

Expert NLP & AI Data scientist

€767/day
Brussels, BE
15+ years

Average response time: 1 hour

About Maciej

I help organizations harness cutting-edge AI and NLP technologies to solve complex real-world problems, delivering scalable, production-ready solutions that enhance user experience and operational efficiency. With over a decade of experience leading AI research and development across diverse industries and multinational teams, I bring deep expertise in Natural Language Processing, computer vision, and signal processing to build impactful tools like plagiarism detectors, recommendation systems, advanced summarization engines, and dialogue management solutions.

My added value lies in translating state-of-the-art AI research into practical applications that serve tens of thousands of users globally. I specialize in driving innovation through continuous research, designing highly efficient models for multilingual and multi-domain challenges, and leading cross-functional teams to deliver robust AI-driven products.

Typical projects I lead include:

Designing and deploying AI-powered plagiarism detection and expert recommendation tools for a European Institution.

Leading NLP research and implementation for map search and input denoising across multiple languages at Huawei.

Developing compressive text summarization, sentiment analysis, text labeling, and quality assessment solutions at Trivago.

Architecting natural language generation and domain-specific speech recognition correction tools for Samsung’s dialogue systems and IoT services.

This blend of hands-on development, research leadership, and cross-industry application ensures effective AI solutions tailored for both commercial impact and technical excellence.
  • Polish

    Native or bilingual

  • English

    Fluent

  • German

    Conversational

  • Spanish

    Basic

  • Dutch

    Basic

Can work on-site
Brussels (up to 10km), Amsterdam (up to 10km), Tilburg (up to 50km), The Hague (up to 10km), Rotterdam (up to 10km)

Experience

  • European Commission,
    Expert NLP & AI Data scientist
    PUBLIC SECTOR
    June 2023 - Today (3 years)
    Brussels, Belgium
    Responsible for designing & development of in-house plagiarism detection tool plus optimization of a legacy version of such tool.
    He researched, designed and overlooked development of a recommender system for assigning experts to evaluate proposals. It will become a a corporate tool in the Commission. He applied SOTA solutions based on recent publications. Continuous research. Effectively data scientist in research phase and in tech lead in development and deployment phase.
    NLP LLM distillation Ranking Systems Pytorch Tech Lead
  • Huawei R&D
    Team leader of Map Search
    DIGITAL AND IT
    October 2020 - April 2023 (2 years and 7 months)
    Amsterdam, Netherlands
    Responsible for solving NLP tasks in Map Search domain.
    It was mostly related to de-noising of user input, information retrieval and dense retrieval. He implemented several solutions to production for multiple countries and languages. His primary focus was on research and implementation combined with leading a team of 3 researchers with occasional linguist support.
    NLP Deep Learning Ranking system Pytorch Tech Lead
  • Trivago N.V.
    Data scientist
    DIGITAL AND IT
    January 2018 - August 2019 (1 year and 7 months)
    Netherlands American Cemetery and Memorial, Margraten, LB, Netherlands
    responsible
    • Design and implementation of highly compressing summarization solution.
    • Research and application of SOTA to Sentiment analysis task
    • Design and implementation of Text labeling solution
    • Design and implementation of text quality assessment tool
    • Contributed to Hotel Description Generator
    Data science Pytorch NLP TensorFlow

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Education

  • Samsung Electronics Advanced Software Certificate.
    Samsung Electronics Advanced Software Certificate.
  • Master degree
    Poznan University of Economics
    Master degree

Skill set

Categories