Hi, I'mHenry Castiblanco
Python · React · SQL/BigQuery · Google Cloud
Systems Engineer with 2+ years building production web applications and AI solutions for healthcare and e-commerce.
Specialized in Python backend, data analysis with SQL and BigQuery, process automation, and deployment on Google Cloud.
4
Sites in production
2+
Years exp.
5
Projects
Who I am
I build robust web applications that combine Next.js on the frontend with Flask / FastAPI and PostgreSQL on the backend, AI model integration, and process automation. I focus on delivering real solutions that generate measurable business value.
Python Backend Development
REST APIs with Flask and FastAPI, data models with SQLAlchemy, JWT authentication, and deployment on Google Cloud Run. Frontend with React and Next.js.
AI Integration
Predictive models integrated into production workflows. Applied data science to real healthcare and commerce problems.
Data & Analytics
Data pipelines, optimized queries in BigQuery and MySQL. Dashboards with actionable business metrics.
Automation
Automated workflows with Make and n8n. CRM integration, webhooks, and data synchronization to reduce manual work.
Main stack
Technical stack & specializations
Tools and technologies I use in production to build Full Stack solutions, integrate AI models, and automate processes.
Frontend
7 technologies
Backend & APIs
6 technologies
Data & ML
6 technologies
Automation
5 technologies
Cloud & DevOps
5 technologies
Professional Experience
Backend Python Developer & Data Analyst
Keralty
Development of digital solutions for the healthcare sector integrating predictive models and clinical process automation.
- Developed and integrated a diabetes risk classification model (Python + Scikit-learn) deployed as a REST endpoint on Cloud Run and integrated with the Flask APIs of the hospital system
- Built and maintained modular REST APIs in Flask for patient, appointment, and clinical report management
- Optimized BigQuery queries reducing clinical dashboard load times by 40%
- Implemented authentication and authorization modules for secure access to sensitive health data
- Coordinated with the React frontend team to integrate endpoints and ensure data consistency
- Deployed services on Google Cloud Platform (Cloud Run + Cloud SQL) with environment variables and version control
Full Stack Developer & Automation
Freelance
Full-cycle web project development for clients in Colombia: from corporate websites to e-commerce platforms with automation.
- Developed 10+ responsive corporate websites with HTML, CSS, JavaScript, and React for clients including Carmundo, IAM Espacio Creativo, and Octagonal Bogotá
- Implemented interactive dashboards with real-time data integration
- Built RapiMarket, a complete e-commerce platform with Next.js + TypeScript + Tailwind CSS + Bold payment integration (PSE, Nequi, Efecty)
- Achieved Lighthouse scores >90 in Performance, Accessibility, and SEO; modular architecture with 50+ reusable components
- Automated workflows with Make (Integromat) and n8n: notifications, data synchronization, and lead tracking
- Integrated CRM modules with Google Sheets, webhooks, and AppScripts for SMB clients
Web Developer
Grupo AYB
Frontend development and dashboards for a business services company.
- Developed 4 corporate websites for Grupo AYB with responsive design and SEO optimization
- Built interactive dashboards for business metrics visualization and client reports
- Implemented CRM lead tracking modules integrated with web forms and automatic notifications
Ongoing Education
Systems Engineer · Specialization in web development and AI applications
Featured Projects
Real solutions built with modern technologies for clients in Colombia and the healthcare sector.
CareAPP — Hospital System
Modular hospital system with REST API for patient, appointment, and clinical report management. Diabetes risk classification model (scikit-learn) deployed as a REST endpoint on Google Cloud Run and integrated with the hospital system.
Complete e-commerce platform built with Next.js and TypeScript. Payment integration with Bold, modular architecture, and optimized performance.
Corporate website for an automotive parts company. Responsive design with HTML, CSS, and JavaScript.
Website for a creative services company. Modern and responsive design.
Results that speak for themselves
Sites in production
With verifiable link
Years of experience
Professional development
Featured projects
Backend & E-commerce
Let's work together
Have a project in mind? I'm available for freelance work, collaborations, and job opportunities.
henrydagarzon@gmail.com
+57 301 815 0254
/in/henry-castiblanco
GitLab
@henrydagarzon
Available for projects
I respond within 24 hours