Eduardo Ruiz Email & Phone Number

Austin, Texas, United States

Lima, Peru

• Developing a web-based application for resource management of the company, incorporating user authentication and user roles functionality.
• Built front-end based on React.js (JavaScript)
• Built back-end infrastructure which consists of an API written in Python and using Flask as the framework.
• Designed database (supports SQLite3 and PostgreSQL)

Lima, Peru

• Temperature and humidity data analysis.
• Execution of IQ, OQ, and PQ of laboratory equipment.
• R&D on automating data collection processes involving temperature, humidity, and pressure sensors.
• Corrective maintenance of laboratory instruments and equipment
• I took part in user-level software validation. In charge of validating calculations made by HPLC software according to USP.

Delaware, United States

• Developed API-based web-service applications utilizing Python, Numpy, Pandas, and Flask as web framework; using microservices architecture with Redis as message broker, Docker, and AWS for deployment.
• Product Reviews Classification: Built a sentiment analysis for product reviews using TF-IDF and Word2Vec achieving a +0.93 ROC AUC score.
• Image Classification for E-commerce: Predicted vehicle brand and model from images. Trained a fine-grained classification model using Resnet50 and Detectron2.
• Home Credit Risk Analysis: Predicted credit repayment ability of applicants. Trained a model on+350,000 transactions. Achieved +0.75 ROC AUC score using decision trees, XGBoost, and LightGBM on preprocessed data.
• Salary Prediction Model: Predicted salary levels based on historical data for sports players, reducing prediction error (MAE) by 50% using decision tree regressor. Used external API for data collection.

Lima, Peru

• Set up and managed WordPress websites, ensuring website functioning and optimal user experience to allow small businesses to create an online presence.
• Integrated and customized payment gateways "PagoEfectivo" and "Culqi" for e-commerce websites.
• Migrated content from outdated HTML to HTML5, utilizing semantic elements for improved accessibility and structure.
• Revamped outdated functionalities by developing HTML forms and using PHP in the backend, resulting in easier data processing.
• Developed websites using Flask and Jinja+HTML
• Collaborated closely with the graphics designer and successfully updated a website's design, resulting in a more appealing and modern UI.

Data Science

Developer, Machine Learning

Engineer'S Degree, Mechatronics Engineering

Title of professional engineer awarded by Pontifical Catholic University of Peru recognized engineering programs.

Bachelor Of Science - Bs, Mechatronics Engineering

ABET Accredited Program - Institution: PUCP Mechatronics Engineering (Bachelor of Science) Accredited: Oct 1, 2014 – Present.

Education record