Roel H.

Roel H.

Data Scientist

Toppræstation 9.1/10
Portugal
Betroet medlem siden 2022
15 års erfaring

Roel er senior data scientist med over 10 års industriel erfaring inden for AI og maskinlæring med en baggrund inden for højenergifysik. Han har stærke kompetencer inden for udvikling af analysekode i produktionskvalitet inden for forskellige områder, herunder Industry 4,0, smarte og sikre byer samt sport og underholdning.

Hovedekspertise

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

Erfaring7

Data Scientist

Freelance, Portugal
Jan 2022 · 4y 2m
  • Konsulentarbejde inden for dataanalyse og 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 dataforsker

AGT International, Germany
Jan 2015 - Dec 2021 · 6y 11m
  • Leverede et betydningsfuldt bidrag til udvikling af verdens første sensorbaserede bull scoring-system til organisationen Professional Bull Riders med brug af kunstig intelligens.
  • Ansvarlig for implementering af analyseløsningen til bull scoring.
  • Færdiggjorde projekt til kundens tilfredshed.
  • Har deltaget i forskellige førsalgsaktiviteter, proofs-of-concept og omfangsdefinition for en række projekter inden for sport og underholdning, herunder basketball, ridning og surfing.

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+

Seniorforsker

AGT International, Germany
Jan 2012 - Dec 2014 · 2y 11m
  • Har bygget prototyper og produktionskode til forskellige applikationer i Industry 4.0, herunder prædiktiv vedligeholdelse til tunge maskiner, estimering af maskintilstand og registrering af uregelmæssigheder.
  • Bidrog til et system til overvågning af stabilitet for diger med sensorer på stedet. Analysearbejdet omfattede fejlprognose, tendensanalyse, modellering og simulering af komplekse miljøsystemer.

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

Vurderinger

Ingeniørmæssig fremragendehed

Roel samlede præstation i en 90-minutters teknisk vurdering i realtid er blandt de top 5% bedst kontrollerede Data Scientist hos Proxify.

Certifikater 8

Coursera
Deep LearningCoursera
Improving Deep Neural Networks: Hyperparameter Tuning, Regularization and OptimizationCoursera/Deeplearning.ai
Coursera
Deep LearningCoursera
Vil du vide mere om Roel certificeringer?Book et opkald

Uddannelse

Vrije Universiteit Brussel
Vrije Universiteit Brussel
High Energy Physics1995 - 2001
Vrije Universiteit Brussel
Vrije Universiteit Brussel
Fysik1992 - 1994
BU
Bruxelles Universitet
Fysik; elementær partikelfysik; astronomi1990 - 1992

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