David Orozco

Freelance Data Scientist

Developed clustering solutions for healthcare, banking, customer, product, financial, and geospatial segmentation. Applied unsupervised learning to clinical data for patient profiling and early disease detection.

K MeansDBSCANHDBSCANGMMHierarchical clusteringscikit learnUnsupervised LearningClinical Data AnalysisIoT Sensor DataLSTMProphet

Data Scientist

Designed an AI inference pipeline for real-time facial biometric verification and built a fraud detection platform with FastAPI microservices. Automated large-scale ETL workflows in Airflow for ingestion, transformation, and monitoring.

SnowflakeAirflowfastAPIRBACData QualityETLFacial RecognitionFraud DetectionMicroservices

Data Scientist

Built predictive maintenance solutions for industrial IoT and developed ML-based customer segmentation. Created multilingual NLP pipelines and architected ELT/ETL pipelines with various cloud tools.

LSTMProphetAnomaly DetectionK MeansDBSCANBERTRoBERTaRAGClaudeOpenAISnowflakeDBTAzure Data FactoryBigQueryDatabricksPrefectAirflowPower BI

Cloud Data Engineer

Tata Consultancy Services

Built serverless ETL pipelines with Python and AWS services, delivering reliable datasets for analytics. Implemented cloud data governance with IAM-based access control and observability dashboards.

PythonAWS LambdaS3EC2ETLIAMData GovernanceObservability

Data Engineer

Bancolombia

Built Python microservices and SQL data models for automated ETL workflows, deploying AWS Lambda functions for ML inference. Developed AI projects on Azure and IBM Cloud for real-time decision-making.

PythonSQLETLAWS LambdaAzureIBM CloudMicroservicesData Quality

Data Engineer

Optimized databases and enforced data-quality standards across institutional AI projects, improving dataset robustness for analysis and model development.

Database OptimizationData QualityAI Projects