Roel H.

Roel H.

Data Scientist

Bäst presterande 9.1/10
Portugal
Betrodd medlem sedan 2022
15 års erfarenhet

Roel är Senior Data Scientist med över tio års branscherfarenhet inom AI och maskininlärning, med en bakgrund inom högenergifysik. Han är mycket duktig på att skriva analyskod med produktionskvalitet inom olika områden, inklusive Industry 4.0, Smart and Safe Cities och sport och underhållning.

Huvudsaklig expertis

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

Erfarenhet7

Dataforskare

Freelance, Portugal
Jan 2022 · 4y 2m
  • Konsultarbete inom dataanalys och krypto.

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+

Senior dataforskare

AGT International, Germany
Jan 2015 - Dec 2021 · 6y 11m
  • Bidrog stort till utvecklingen av världens första sensorbaserade tjurpoängsystem för Professional Bull Riders-organisationen med hjälp av artificiell intelligens.
  • Ansvarade för implementering av analyslösningen för tjurpoängsättning.
  • Slutförde ett kundnöjdhetsprojekt.
  • Arbetade med olika förförsäljningsaktiviteter, konceptbevis och omfattningsdefinition för flera projekt inom sport och underhållning, inklusive basket, ridning och surfning.

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+

Senior forskare

AGT International, Germany
Jan 2012 - Dec 2014 · 2y 11m
  • Byggde prototyper och produktionskod för olika tillämpningar i industri 4.0, inklusive prediktivt underhåll för tunga maskiner, maskinstatusuppskattning och avvikelsedetektering.
  • Bidrog till ett system för dikesstabilitetsövervakning med in situ-givare. Analysarbetet omfattade felförutsägelse, trendanalys, modellering och simulering av komplexa miljösystem.

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

Granskning

Ingenjörsexcellens

Roel totala prestation i en 90-minuters live-teknisk bedömning rankas inom top 5% av granskade Data Scientist på Proxify.

Certifikat 8

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

Vrije Universiteit Brussel
Vrije Universiteit Brussel
High Energy Physics1995 - 2001
Vrije Universiteit Brussel
Vrije Universiteit Brussel
Fysik1992 - 1994
BU
Bryssel universitet
Fysik; elementarpartikelfysik; astronomi1990 - 1992

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