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Carlos Gutierrez

@carlosgutierrez3

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Freelance web developer at Napo's Developer, building React apps and real-time operational dashboards.

El Salvador

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At DoctorSV, I designed and built a React 18 telemedicine and operations application with an interactive floor plan for 170 spaces and real-time sync under 500 ms. I integrated payroll and inventory data through REST APIs and added error boundaries and deployment tests.

At Coca-Cola (bottling plant), I built a web system for 260+ work orders with multidimensional filtering, data sanitization, and Firebase persistence. As a freelance developer at Napo's Developer, I develop client applications from requirements through delivery and support using HTML, CSS, JavaScript, React, and Python.

Experience

Work history, roles, and key accomplishments

Current

Full-Stack Developer / Software & Data Engineer

Current

Coca-Cola

Aug 2026 - Present (2 months)

Built end-to-end a web system for 260+ work orders with multidimensional filtering, data sanitization, and hybrid persistence on Firebase with multi-role access.

React Firebase Firestore Data Sanitization Multidimensional Filtering Multi Role Access

Current

Freelance Full-Stack Developer

Current

Napo's Developer

Jan 2022 - Present (4 years 9 months)

Developed web applications for clients from requirements to delivery and support, using HTML, CSS, JavaScript, React, Python, Git/GitHub, and Linux.

HTML CSS JavaScript React Python Git GitHub Linux

SRM/AD Insight - Structural Failure Dashboard

UDB

Jan 2026 - Dec 2026 (11 months)

Built and deployed a React and FastAPI web application, tested loading, empty and error states, responsive layout, keyboard navigation, and AA contrast, and documented defects until fixed.

React fastAPI Responsive Design Accessibility Testing Documentation

Lead Full-Stack Software Engineer

DoctorSV

Jul 2026 - Sep 2026 (2 months)

Designed and built a React 18 web application with an interactive floor plan and real-time sync, integrated external tools via REST APIs, and added error boundaries and deployment tests.