CUcrisThc1 User
@cristhiancalle
Data Full Stack (5+ yrs): Expert in PySpark/Snowflake/GCP/AWS. Drives 250% profitability via MLOps, Generative AI (RAG, LangChain) & Data Governance.
ColombiaWhat I'm looking for
Senior Data Engineer and Data Full Stack Professional with over 5 years dedicated to leveraging data to drive strategic business outcomes. My core expertise is in architecting and deploying scalable, robust data pipelines using cutting-edge tools like PySpark and high-performance Data Warehouses such as Snowflake and BigQuery. I possess multi-cloud capability, specializing in AWS and GCP infrastructure, with hands-on experience in Docker/Kubernetes and Vertex AI for seamless MLOps.
A career highlight involved leading BI implementations and operational optimization that directly led to a 250% increase in profitability and a 75% reduction in product cycle time. I achieve this by structuring comprehensive Data Governance frameworks, automating processes with Python/SQL, and developing strategic Power BI (DAX) and Looker Studio dashboards for real-time decision-making. I excel at stakeholder management and leading Agile projects (Scrum/Kanban) to ensure data strategy is fully aligned with business OKRs.
Experience
Work history, roles, and key accomplishments
Senior Data Engineer
Freelance
Apr 2020 - Present (5 years 6 months)
Delivered end-to-end data engineering and BI solutions for clients, designing scalable ETL pipelines and dashboards that increased profitability by 250% and reduced product cycle time by 75%. Implemented automation and governance frameworks that tripled operational efficiency and achieved 150% of OKRs across two quarters.
Education
Degrees, certifications, and relevant coursework
DUDuke University
Specialization, MLOps / Machine Learning Operations
Ongoing specialization in MLOps and Machine Learning Operations through Duke University courses and certificates.
AAAmazon Web Services (AWS)
Professional Certificate, Cloud Architecture / Data Engineering
Professional-level cloud certification focusing on AWS cloud architecture and Data Engineering fundamentals.
DEDeepLearning.AI
Specialization, Deep Learning / Data Engineering
Completed specialization in Deep Learning and related data engineering topics in collaboration with platform partners.
SNSnowflake
Professional Certificate, Data Engineering
Professional certificate in Snowflake Data Engineering covering Snowflake platform and data warehousing.
GCGoogle / Coursera
Professional Certificate, Data Analytics / Cloud Fundamentals
Completed Google and Coursera courses including Data Analytics and Google Cloud fundamentals focused on cloud infrastructure and data analysis.
IUIE University
Introduction to Data Science, Data Science
Completed introductory coursework in Data Science through IE University.
CFCarlos Slim Foundation
Technician / Certificate Programs, Business Analytics / Data Mining / Software Development
Completed multiple technical programs including Business Analytics Technician, Data Mining Technician, Database Manager, and OOP Developer.
NSNational Learning Service (SENA)
Technologist, Integrated Management (Quality, Environment, Occupational Health)
Technologist program in Integrated Management of Quality, Environment, and Occupational Health.
CICisco
Certificate, Artificial Intelligence Fundamentals
Completed an Artificial Intelligence Fundamentals course through Cisco.
CPCoursera / Various Partners
Certificates and Course Completions, AI / Machine Learning / Data Science
Multiple Coursera courses and capstone projects across AI, ML, data analysis, and cloud topics scheduled or completed in 2025.
KAKaggle
Certificate / Course, Computer Vision
Completed coursework in Computer Vision through Kaggle learning resources.
DLDesafío Latam
Certificate, Technical English
Completed English for Developers & IT Professionals program to strengthen technical English communication.
AWS Educate
Certificate, Cloud Fundamentals
Completed introductory cloud coursework including 'Introduction to Cloud 101' via AWS Educate.
Tech stack
Software and tools used professionally
Availability
Location
ColombiaAuthorized to work in
Portfolio
sites.google.com/view/cristhiancalleSocial media
Job categories
Skills
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