Experience

As a Freelancer:

Check out my profiles at Freelancer and Upwork

  • I have worked with more than 20 clients from several countries, including Norway, India, Canada, Spain, Serbia, Saudi Arabia, Colombia, UK, Australia, and the USA, with excellent client satisfaction.
  • Developed deep learning image classification systems including a clothes style classification model, an NSFW images detector, and a landmark detector in dental cephalometric x-ray images.
  • Worked on academic and commercial NLP projects: text classification for healthcare and sentiment analysis for sociological research.
  • Developed a sentiment detector in voice-mail messages.
  • Build complete data science products, from exploratory data analysis to predictive models.

At Startups:

Machine​ ​Learning​ ​and​ ​Big​ ​Data​ ​Engineer at Makrwatch, from December 2017 to September 2018

I helped to​​ made​ ​sense​ ​of​ ​​data​ ​​gather​ed ​from​ ​YouTube​​ by creating​ ​Machine Learning​ ​models and​ ​Big​ ​Data​ ​analytic flows on cloud services, responding to specific client needs and helping to create the infrastructure for the company’s strategic vision


In Academia:

Research Assistant Instructor at Universidad Icesi (Cali, Colombia)
In 2015 I designed and taught an introductory Machine Learning course for graduate students, obtaining 6 over 7 points on the after-course student satisfaction survey.
From 2005 to 2011 I worked on several research projects in the areas of wireless network propagation prediction, network security, and high-performance computing, coauthored 11 papers published in national and international journals and conferences, and designed and taught an introductory Mobile Applications course during 8 semesters.

Ph.D. Student at Universidad de los Andes (Bogotá, Colombia)
I was a full-time student from 2011 to 2014 in system engineering, working in developing cloud computing for e-Science with QoS guarantees based on non-dedicated resources, and coauthored 3 papers published in conferences in Canada and the USA.
I also helped biology and chemistry research groups develop computationally intensive models supported by cluster and parallel computing.