Facelad
Digital solutions studio I co-founded as CTO — building web products and automation for 20+ clients with a multidisciplinary team.
Hi, I’m
Andrés Gerardo Márquez González
Senior Full-Stack Developer & Electronics Engineer
Python · TypeScript · Generative AI · Scalable architectures
Based in Santiago, Chile
01
About
Electronics Engineer and Senior Full-Stack Developer with 5+ years of experience designing and leading scalable, high-availability architectures. Specialized in the Python and TypeScript ecosystems with a strong focus on Generative AI solutions (Gemini, LangChain). Proven track record managing international clients and communicating technically in English, with a solid background in embedded systems bridging software and robotics.
02
Experience
Work Experience
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- Build and scale the COPEC ENLACE application under Agile methodologies, ensuring a maintainable and scalable architecture.
- Designed and implemented robust JWT + Django authentication, hardening security across user session management.
- Developed Generative AI agents with Gemini and LangChain that automate the creation of user profiles and technical descriptions from user data.
- FastAPI
- Django
- LangChain
- Docker
- Jira
- GitHub
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- Designed and implemented the authentication and identity-management ecosystem with Django and JWT, ensuring session integrity and scalability.
- Built a Generative AI agent (Gemini, LangChain) that auto-generates job descriptions personalized to each user’s experience.
- Optimized the software development life cycle with Docker and Agile coordination, enabling continuous software delivery.
- FastAPI
- Django
- LangChain
- Docker
- Jira
- GitHub
-
IT Support & Systems Coordinator
Next4 · Santiago, Chile
Jan 2024 – Oct 2024
- Coordinated Agile squads, leading communication and goal alignment across multidisciplinary engineering teams.
- Managed end-to-end IT infrastructure, including systems-integration administration, preventive-maintenance plans, and advanced technical support.
- Consulted on and optimized bidirectional integrations for critical logistics flows: fulfillment, crossdock, overflow, and distribution networks.
- Jira
- Trello
- Notion
- Git
- Beetrack
- EcartAPI
- REST APIs
-
Full-Stack Developer
Next4 · Santiago, Chile
Jul 2022 – Dec 2023
- Architected and built 50% of the front-end ecosystem for the company’s core logistics application, focusing on use-case definition and UX/UI.
- Restructured and optimized back-end logic — adding advanced validation and pagination — improving code efficiency and architectural precision.
- Designed a cascading deactivation system that automates provider-status management across the logistics flow, improving operational efficiency.
- Node.js
- Serverless
- Python
- Flask
- Angular
- Ionic
- REST APIs
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- Built REST API endpoints for internal and external consumption.
- Implemented Web Scraping pipelines in Python (BeautifulSoup) for data collection.
- Generated QA test cases from use-case analysis using Python and Excel.
- Improved team workflow by contributing creative technical proposals.
- Python
- Pandas
- BeautifulSoup
- Flask
- Swagger
- Node.js
- JavaScript
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Junior Python Developer
Arawato Media · Venezuela
Jul 2019 – Dec 2019
- Created REST APIs for internal consumption in a movie-rental platform.
- Contributed technical insights grounded in research and data collection.
- Applied Kanban methodology throughout client project delivery.
- Python
- Django
- Django REST Framework
- Tkinter
- Pandas
Freelance & Consulting
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- Grew the client portfolio by 75% under Agile delivery while sustaining a 100% satisfaction rate.
- Built and led a multidisciplinary team of 7 specialists, fostering a high-performance environment.
- Advised 20+ business owners on process automation, digitalization, and UX optimization.
- JavaScript
- Next.js
- TypeScript
- Python
- Flask
- FastAPI
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- Develop custom software solutions and provide specialized technical support for the Astroluv ecosystem.
- Drive DevOps and database administration (DBA), ensuring service stability and efficient deployments.
- Lead technical communication and status reporting in English across international milestone meetings.
- Optimize workflows and data persistence to guarantee information integrity and infrastructure scalability.
- Python
- DevOps
- SQL
- Database Management
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- Enhanced e-commerce UX and checkout flow, increasing conversion efficiency.
- Reduced system errors and warnings, driving a 46% improvement in store performance.
- Maintained AWS infrastructure (LightSail, Route 53) and implemented Git-based CI/CD with GitHub, Vercel, and AWS pipelines.
- Optimized front-end/back-end communication by introducing GraphQL over a WordPress/WooCommerce backend.
- Next.js
- JavaScript
- TypeScript
- WordPress
- WooCommerce
- AWS
03
Skills
Languages
Frameworks & Libraries
AI / Generative AI
Databases
Cloud & DevOps
Methodologies & Tools
Languages
- Spanish Native
- English Advanced (B2)
- Portuguese Intermediate
- Chinnese Basic
05
Education
Education
B.S. in Electronics Engineering
Universidad Simón Bolívar · Venezuela
2014 – 2019
Certifications
- English Proficiency (B2) Centro Venezolano Americano
- Python for Everybody University of Michigan
- Cloud Computing Escuela de Organización Industrial · Google Activate
- Mobile App Development Universidad Complutense de Madrid · Google Activate
- Cybersecurity in Telework INCIBE · Google Activate
- Digital Transformation for Employment Escuela de Organización Industrial · Google Activate
- Personal Productivity Fundación Santa María la Real · Google Activate
- Digital Skills for Professionals Fundación Santa María la Real · Google Activate
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Contact
Open to senior full-stack and AI engineering roles. Let’s talk.