Rafael Alcibar
Senior Machine Learning Engineer at Affirm
Madrid, Community of Madrid, Spain
Summary
👤
Senior🎓
Top SchoolRafael Alcibar is a Senior Machine Learning Engineer based in Madrid with 11 years of experience applying physics-trained rigor to data-driven products. He builds end-to-end ML systems in production, focusing on model deployment and monitoring at Affirm while collaborating closely with product teams to turn business needs into reliable features. His background spans telecom, utilities, finance and energy, where he has led data science teams and integrated analytics into global operations. Rafael also mentors and teaches—reviewing ML courses at Udacity, mentoring students at Springboard, and formerly lecturing Python and statistics at ICEMD—so he blends hands-on engineering with clear, actionable pedagogy. Notably, his career began in meteorology and renewable-energy R&D, giving him deep domain expertise in time-series and sensor data that informs robust model design. He is comfortable bridging research, production, and education to deliver practical, measurable improvements.
11 years of coding experience
10 years of employment as a software developer
Master’s Degree, Physics - Air Physics Specialist, Physics, Master’s Degree, Physics - Air Physics Specialist, Physics at Universidad Complutense de Madrid
English, Spanish
Stackoverflow
2,979reputation
422kreached
20answers
16questions
machine-learning
top-5%
scikit-learn
top-5%
python
top-5%
Github Skills (55)
assign10
python9
machine-learning9
scikit-learn9
package8
bundle8
freeze8
pyinstaller8
cffi8
notebook8
jupyter8
revit-api8
ipython7
py2app7
segment7
Programming languages (4)
Github contributions (5)
kingkastle/grading-assigner
Oct 2016 - Feb 2018
Contributions:17 commits, 22 pushes, 3 branches in 1 year 4 months
submissionspythonudacitypython-scriptreviewers
kingkastle/Self-Driving-Car-ND
Dec 2016 - Oct 2017
Contributions:23 commits, 45 pushes, 1 branch in 10 months
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