Sergio Rayón Mora Email & Phone Number

Guadalajara, Mexico Metropolitan Area

Guadalajara, Mexico Metropolitan Area

* End-to-end ETL data pipelines cloud native on AWS using: Lambda, Dynamo, RDS-MySQL, SQS, Event Bridge, S3, Athena, X-Ray to build and pre-process training datasets.* Contributed to developing risky website classification, NLP model training and fine-tuning using AWS SageMaker, XGBoost, LLM, to speed up the manual internal process.* Worked on API for AI model consumption using FastAPI, AWS API gateway, Docker.* Ensured CI/CD by leveraging CircleCI, Terraform and Serverless Framework.* Used PyTest/Locust/Moto3 for unit testing, load testing and AWS services mocking.* Delivered BI dashboards built on AWS QuickSight for management presentations on insights.

Guadalajara, Jalisco, Mexico

Participated in multiple Startups projects: Agtools, Synx IA, Recursive MX.* Data scraping pipelines for Machine Learning orchestrated via Apache Airflow, built on Python, MongoDB data storage, Pandas, NumPy, Scikit-learn. * Worked on Flask-RESTful API development to host ML models, deployed via docker-compose.* Delivered Time series forecasting system, model training, evaluation, fine-tuning, retraining and deployment: forecasting a 30-day volume production window on a combination of USA cities and fruit/vegetable. FB-Prophet, Flask.* Computer vision, Landmark recognition using pre-trained Keras/TensorFlow models.* E2E implementation of Elasticsearch deployment, data modeling and Kibana dashboards as an inexpensive BI solution for Marketing, Sales and User behavior tracking.

Guadalajara Area, Mexico

* SQL Server jobs management, bottlenecks removal and query refactoring, implementing table indexing strategies and materialized views to greatly speedup retrieval up to 90%.* Database production rollout and rollback scripting.* Low code backend developer for the online backing web app “Bancanet Empresarial”.* Business Intelligence using Splunk for reporting, data monitoring & dashboards development.

Guadalajara Area, Mexico

Production Support for financial applications at Northern Trust bank* Trouble shooting, bug finding and solution proposals for code owners.* Back-end support for the bank’s financial on Java applications at Northern Trust bank, ensuring integrity of large transactions, bank loans, investment and management support.* SQL query performance tuning, backups, recovery and Ad-Hoc reports in Oracle & DB2.

Toluquilla, Jalisco

Development & maintenance of tools design for SAP data mining on HP supply chain planning and reporting. Visual Basic, Excel.* Business Intelligence* SQL query developer* .Net Jr developer* SAP D7C data management

Masters In Data Science, Machine Learning, Master'S Degree With Merit

Machine Learning, Data Science, data extraction, analysis, visualization, model training, predictions, optimizations.

Bachelor'S Degree, Computer Engineering

High School/Secondary Diplomas And Certificates, High School Degree

Cambridge FCE certified