Jacobo Del Valle

-Developed an NLP model to predict the intent behind a search query and/or keywords using TF-IDF vectorization techniques –Researched, designed, and implemented special vocabulary and tokenization techniques that allowed cutting the vocabulary size by 70% without impacting performance –Optimized API endpoint by modifying queries and implementing Redis caching systems

–Developed, optimized (using parallelization and Cython) and maintained pre-processing, clustering anddata exploration scripts in both R and python –Application and regularization of Gradient Boosting algorithms in R –Deep neural network design using Tensorflow and hyperparameter optimization using Bayesian methods–AWS EC2 and S3 resource management, cutting down costs by over 50%

–Helped develop large-scale web projects using the Joomla! CMS –Collaborated fixing security bugs in company’s and others' software –Wrote PHP script to allow dynamic generation of PDF files by pulling information from relational databases (MySQL and PostgreSQL)