Roel H.

Roel H.

Data Scientist

Meilleur performeur 9.1/10
Portugal
Membre de confiance depuis 2022
15 années d'expérience

Roel est un chercheur principal en données avec plus de dix ans d’expérience industrielle, dans l’IA et l’apprentissage automatique, avec une formation en physique des hautes énergies. Il maîtrise la rédaction de codes analytiques de qualité professionnelle dans divers domaines, y compris l’Industrie 4.0, les villes intelligentes et sûres, ainsi que le sport et le divertissement.

Expertise principale

PythonPython6 ans
Machine LearningMachine Learning15 ans
Data Science15 ans
NumPyNumPy15 ans
18+

Expérience7

Scientifique des données

Freelance, Portugal
Jan 2022 · 4y 2m
  • Conseils en analyse de données et cryptographie.

Data Scientist/Machine Learning Engineer

Freelance (Portugal, remote)
Information Technology (IT) and Services
Jan 2022 · 4y 2m

Clients and Projects:

- Electrolux is a Swedish multinational home appliance manufacturer headquartered in Stockholm.

  • Utilized Python packages (lifetimes, attribution, surpyval) to analyze customer purchase behaviors and marketing channel effectiveness.
  • Optimized marketing strategies and the sales funnel through detailed customer journey mapping, increasing conversions and customer satisfaction.

...

- BEF4U is a Belgium company predicting the energy consumption in shopping malls

  • Developed predictive models to forecast energy consumption in shopping malls.
  • Analyzed large datasets to identify patterns and optimize energy usage, contributing to cost-saving strategies.

...

- Uptime water management provider

  • Developed a Python-based system comprising a dashboard for visualization and parameter tuning, and a batch processing engine for analyzing sensor data.
  • The AI model learned to identify pump usage by detecting temperature changes when water was pumped.

...

- Polpo, LLM project, using a Dutch model and Langchain to process big documents in chunks (political papers, reports of discussions from Dutch parliament). Found the right model based on language and confidentiality needs. Worked on minimizing the response time.

...

- fBeta GmbH, evaluation of LLM generated answers versus human expert answers

  • different evaluation metrices were developped to compare human expert answers verus LLM generated answers based on word embeddings.
Data Science
NumPyNumPy
XGBoostXGBoost
PyCharmPyCharm
SciPySciPy
8+

Scientifique principal des données

AGT International, Germany
Jan 2015 - Dec 2021 · 6y 11m
  • Contribution majeure au développement du premier système mondial de notation des taureaux à l'aide de capteurs pour la Professional Bull Riders en utilisant l’intelligence artificielle.
  • Responsable de la mise en œuvre de la solution analytique de notation des taureaux.
  • Finalisation du projet à la satisfaction du client.
  • Participation à diverses activités de prévente, de validation de principe et définition de la portée de plusieurs projets dans le domaine du sport et du divertissement, y compris le basketball, l’équitation et le surf.

Senior Data Scientist

AGT International (Darmstadt, Germany)
Artificial Intelligence (AI)
Jan 2015 - Dec 2021 · 6y 11m

AGT International is a leader in Artificial Intelligence for IoT solutions. Proven expertise is across various sectors, including smart cities, manufacturing, safety and security, and enabling independent living for the elderly.

  • Provided a major contribution to developing the world's first sensor-based bull scoring system using artificial intelligence for the Professional Bull Riders organization.

  • Responsible for the implementation of the analytics solution of bull scoring. This included sensor signal processing, feature extraction of bull parameters, and model building to predict the difficulty of a ride according to multiple criteria.

  • Finalized project to customer satisfaction.

  • Participated in various pre-sales activities, proofs-of-concept and scope definition for multiple projects in sports and entertainment, including basketball, horse riding, and surfing.

Data Science
NumPyNumPy
XGBoostXGBoost
PyCharmPyCharm
Scikit-learnScikit-learn
4+

Chercheur principal

AGT International, Germany
Jan 2012 - Dec 2014 · 2y 11m
  • Élaboration de prototypes et du code de production pour diverses applications dans l’industrie 4.0, y compris la maintenance prédictive pour les machines lourdes, l’estimation de l’état des machines et la détection d’anomalies.
  • Contribution à un système de surveillance de la stabilité des digues avec des sondes in situ. Les travaux d’analyse comprenaient la prédiction des défaillances, l’analyse des tendances, la modélisation et la simulation de systèmes environnementaux complexes.

Senior Researcher

AGT International (Darmstadt, Germany)
Artificial Intelligence (AI)
Jan 2012 - Dec 2014 · 2y 11m

AGT International is a leader in Artificial Intelligence for IoT solutions. Proven expertise is across various sectors, including smart cities, manufacturing, safety and security, and enabling independent living for the elderly.

  • Build prototypes and production code for various applications in Industry 4.0, including predictive maintenance for heavy machinery, machine state estimation, and anomaly detection. Customers were from the German industry.

  • Contributed to a system for dike stability monitoring with in-site sensors.

  • The analytics work included failure prediction, trend analysis, modeling, and simulation of complex environmental systems.

Data Science
NumPyNumPy
XGBoostXGBoost
PyCharmPyCharm
Scikit-learnScikit-learn
4+

Senior Researcher

Royal Military School (Brussels, Belgium)
Education
Jan 2003 - Dec 2011 · 8y 11m
  • Developed analytics code for various projects, including automatic flood detection using radar imagery, non-destructive testing of material defects using Terahertz radiation, mine detection on the seafloor using synthetic aperture sonar imagery
MatlabMatlab

Évaluations

Excellence en ingénierie

Les performances globales de Roel lors d'une évaluation technique en direct de 90 minutes se classent dans le top 5% des Data Scientist évalués chez Proxify.

Certificats 8

Coursera
Deep LearningCoursera
Improving Deep Neural Networks: Hyperparameter Tuning, Regularization and OptimizationCoursera/Deeplearning.ai
Coursera
Deep LearningCoursera
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Éducation

Vrije Universiteit Brussel
Vrije Universiteit Brussel
High Energy Physics1995 - 2001
Vrije Universiteit Brussel
Vrije Universiteit Brussel
La physique1992 - 1994
UDB
Université de Bruxelles
La physique; physique des particules élémentaires; astronomie1990 - 1992

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