Rafael Cabrera

Rafael Cabrera

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Data Scientist / Software developer
Province of Cagliari, Italy

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Résumé

Jobs verified_user 0% verified
  • A
    AI Engineer Intern
    May 2025 - Aug 2025 (4 months)
    • Built an AI-powered data analyst agent using AWS Bedrock that interprets engineers' natural language queries, automatically identifies relevant telemetry signal logs, and delivers actionable insights via Slack • Architected a high-performance time series database using PostgreSQL's TimescaleDB extension to handle 2,000+ telemetry signals captured every 100ms, enabling real-time analytics for vehicle fleet monitoring • Developed 30+ Grafana dashboards with an automated alerting system for early vehicle failure detection
  • D
    Data Analyst
    Aug 2023 - Jul 2024 (1 year)
    • Secured $67k in funding for early users by ideating and developing GrantBot, an AI-powered assistant to help nonprofits craft compelling grant proposals by using RAG and prompt engineering techniques • Engineered marketing dashboards integrating third-party data and leveraged A/B testing insights to optimize campaign performance and drive data-driven decision making across teams • Automated nonprofit application reviews using the OpenAI API, speeding evaluations by two weeks and ensuring fair scoring for $150k in grants
  • accenture
    Intelligence Intern
    accenture
    Jul 2022 - Jan 2023 (7 months)
    • Implemented an innovation project to optimize digital marketing resource allocation, employing recurrent neural networks, Markov chains, and SHAP values on PySpark • Boosted eCommerce sales for a global industry leader by developing a Tableau dashboard from BigQuery data
  • Universidad del Rosario
    Academic Tutor
    Universidad del Rosario
    Jan 2019 - Jun 2021 (2 years 6 months)
    Tutor to more than 60 students in the Algorithms and Data Structures, Financial Accounting, and Mathematical Thinking subjects, and private tutor to students with high academic risk. Weekly meetings with professors were held to prepare the classes. More than 98% of tutored students passed their courses at the end of the semester. Work on campus. Assisted the following departments (64 hours per semester): January 2018 – December 2019 •University Museum: Tour guide to the university's museum of the history of Colombia. •Higher Student Council: Assist in the organization and participate in a student leadership program.
Education verified_user 0% verified
  • C
    MS in Information Systems Management
    Carnegie Mellon University
    Aug 2024 - Dec 2025 (1 year 5 months)
    • Outstanding Performance Recognition for the Fall 2024 and Spring 2025 semesters • Coursework: Generative AI, Machine Learning, ML with large datasets, Distributed Systems, Robot Mobility, Econometrics, Databases • Teaching Assistant of Database Management course
  • B
    B.A. in Applied Mathematics and Computer Science
    Jul 2019 - Dec 2023 (4 years 6 months)
  • Universidad del Rosario
    Bachelor of Business Administration
    Universidad del Rosario
    Jan 2018 - Jan 2023 (5 years 1 month)
Projects (professional or personal) verified_user 0% verified
  • A
    Anomaly Detection Pipeline for Autonomous Driving - TIER IV (Master Capstone)
    Aug 2025 - Dec 2025 (5 months)
    • Built a pipeline to automatically label behavioral anomalies (e.g., control spikes, trajectory drift) in Autoware logs, enabling structured data exports for replay and retraining • Automated high-fidelity synthetic data generation with Autoware’s simulator to enable diverse scenario testing
  • Propel
    Propel GrantBot - GPT-powered assistant for grant writing
    Propel
    Mar 2024 - Jun 2025 (1 year 4 months)
    • Secured $67k in funding for early users by ideating and developing GrantBot, an AI-powered assistant to help nonprofits craft compelling grant proposals by using RAG and prompt engineering techniques • Reduced nonprofits’ grant application times by 84% from 19 to 3 hours and secured $67k in funding
  • R
    Reddit post analysis with open-source LLM
    Feb 2024
    • Analyzed 80k+ Reddit posts in real-time to extract video game mentions using AWS EMR (Hadoop processing) • Fine-tuned Llama 2 for topic extraction and stored results in a PostgreSQL database
Awards verified_user 0% verified
  • W
    Winner for Latam in the ACBSP Student Showcase Competition
    Jun 2022 - Current (4 years 2 months)