Luis Duarte

Junior Full Stack Developer

Arapiraca/Brazil $20/hr Remote Full-time 1+ yrs exp 88 · Excellent

About

Hi, I'm a junior full Stack developer with experience building apps using React, Typescript, Nodejs, Vite, Zod, JWT, Python, PostgreSQL, GitHub Actions and docker.

Skills & Expertise (16)

React Intermediate

8.2/10

Years Exp

Typescript Intermediate

8.0/10

Years Exp

JavaScript Intermediate

7.8/10

Years Exp

Python Intermediate

7.5/10

Years Exp

Node.js Intermediate

7.5/10

Years Exp

Flask Intermediate

7.0/10

Years Exp

Postgresql Intermediate

7.0/10

Years Exp

SQL Intermediate

6.5/10

Years Exp

HTML Intermediate

6.5/10

Years Exp

CSS Intermediate

6.5/10

Years Exp

Supabase Intermediate

6.0/10

Years Exp

LiveKit Intermediate

5.5/10

Years Exp

Vite Intermediate

5.0/10

Years Exp

JWT Intermediate

5.0/10

Years Exp

Figma Intermediate

5.0/10

Years Exp

CI/CD & DevOps Enablement

Work Experience

Software Engineer

Freelance

Mar 2026 - Present

Building Firelink, a serverless alternative to Discord with a Dark Souls theme. Stack: React + TypeScript, PostgreSQL (Supabase), LiveKit (voice/video), Vercel. Advanced MVP featuring real-time text and voice chat, server creation, friend system, and authentication. Active CI/CD pipeline with GitHub Actions for production readiness.

Full Stack Developer

CARPER SOLUCOES TECNOLOGICAS LTDA

Oct 2025 - Mar 2026

Built Thinking Agent: an AI connected to real-time company data, capable of generating reports, slides, spreadsheets, and images via chat. Stack: React, TypeScript, Node.js, Zod, JWT, Gemini API, SlidesGPT, PostgreSQL (local and Supabase). Maintained Primus Web (medical lab management system): improved security and ensured LGPD (Brazilian GDPR) compliance. Provided software engineering technical support to a workplace safety software development team.

Web Developer

Senac

Mar 2025 - Jun 2025

Prototyped EcoPoint, a sustainability platform where users earn points for recycled items. Designed screens and made key product decisions. Prototyping stack: Figma.

Full Stack Developer

Senac

Mar 2025 - Jun 2025

Developed a workplace safety application focused on mental health support, as part of a team. Worked across frontend, backend, database, and team coordination. Stack: HTML, CSS, JavaScript, Python, SQLite.

Full Stack Developer

Freelance

Mar 2025 - Apr 2025

Created Criticard: a social network MVP for media reviews (title, photo, rating, and written critique). Cards feature a hover effect revealing the review text. Stack: Python (Flask), SQLite, HTML, CSS.