Software Developer | QA Automation Engineer | Full-Stack Developer

Building modern web applications with React, Next.js, TypeScript and Node.js.

Currently working as a QA Automation Intern, developing End-to-End automation workflows with Playwright for a production SaaS platform.

• Software Engineering student (Big Data specialization).
• Passionate about Frontend Development, Full-Stack Systems, and AI-powered applications.
• Experience building Machine Learning, Automation, and Data Visualization projects.
• Developing E2E automation workflows using Playwright in production environments.
• Open to Software Engineering, Frontend, Full-Stack and QA Automation opportunities.

Machine Learning platform built on over 7 million historical traffic records.

Highlights

• Python, Pandas, Scikit-Learn
• 83.61% predictive accuracy
• FastAPI microservice architecture
• Node.js + TypeScript BFF
• Interactive Leaflet geospatial visualization

Role-based ticket management platform for software teams.

Highlights

• Next.js + TypeScript
• PostgreSQL + Prisma ORM
• Role-based permissions
• Ticket history tracking
• Analytics dashboards
• MTTR and bug trend reporting
• CSV export functionality

Mobile-first MVP developed for a sushi business.

Highlights

• Next.js
• Tailwind CSS
• Responsive design
• Google Maps integration
• Promotional badges
• Lighthouse Score: 100/100

Domain-focused AI chatbot.

Highlights

• React + TypeScript
• Gemini API
• Prompt Engineering
• Docker
• Real-time conversational UI

• GitHub Actions
• CI/CD Pipelines
• PHP

Email: sergioac.madrid@hotmail.com

Portfolio: https://fabianmadrid.dev

LinkedIn: linkedin.com/in/sergio-acuña-59735336b