K
Karina Elizabeth Garcia Lozana
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Tepetlaoxtoc de Hidalgo, State of Mexico, Mexico
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Jobs
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Senior Data EngineerSURTJun 2022 - Apr 2026 (3 years 11 months)Surt is a data analytics company that helps enterprises derive actionable insights from complex datasets. As a Senior Data Engineer, I led the design and implementation of scalable data pipelines and custom file parsers to process scientific instrument outputs and deliver interactive dashboards.
• Architected and deployed AWS-based data pipelines processing over 500 million records daily from laboratory instruments, reducing ingestion latency from 12 hours to under 30 minutes.
• Engineered custom file parsers for 15+ proprietary instrument formats including.xlsx,.pdf,.txt,.raw, and.fid, enabling seamless integration of diverse research data sources.
• Designed modular data models and utility libraries used by 4 product teams,- Data EngineerHiHelloJan 2018 - Feb 2022 (4 years 2 months)HiHello provides a digital business card platform that manages user contact data and engagement analytics. As a Data Engineer, I built data pipelines and dashboards to track user behavior, platform performance, and business metrics.
• Developed scalable ETL pipelines in Python and SQL to process 10 million user interactions daily, enabling real-time analytics for product and marketing teams.
• Designed and optimized data models in AWS Redshift and PostgreSQL, reducing query latency for key reporting dashboards.
• Created interactive Tableau dashboards for executive KPIs, used by 50+ stakeholders to monitor user acquisition and retention trends.
• Automated data quality checks and alerting using AWS Lambda and CloudWatch, - Data EngineerSmartCone Technologies IncNov 2016 - Dec 2017 (1 year 2 months)SmartCone Technologies develops IoT solutions for smart city infrastructure, including traffic cones and sensors. As a Data Engineer, I designed data models and pipelines for real-time sensor data collection and analysis.
• Built real-time data ingestion pipelines using Python and AWS Kinesis to process sensor data from 1,000+ IoT devices, achieving sub-second latency for critical alerts.
• Designed normalized data models in DynamoDB and Elasticsearch to support geospatial queries and historical trend analysis for urban planning clients.
• Developed custom parsers for binary sensor output formats, enabling integration of 5 different hardware vendors into a unified data platform.
• Created Jupyter Notebooks for explorator
Education
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- Bachelor of Degree in Computer ScienceUniversity of WaterlooJan 2012 - Jan 2016 (4 years 1 month)