Available for opportunities

Senior Software Developer Building Scalable Solutions

6+ years crafting high-performance web applications with React, Next.js, Node JS, Flutter, React Native, TypeScript and e-commerce. Specialized in technical leadership, system architecture, and team mentoring.

6+
Years Experience
50+
Projects Delivered
20+
Developers Mentored
Profile photo
Available

Samuel Caetité

São Paulo, Brazil

React Next.js TypeScript Node.js

Who I Am

I'm a Software Engineer specializing in frontend, mobile, and backend development, with a proven track record of building scalable, high-performance applications for companies ranging from startups to Fortune 500 enterprises.

My expertise spans the entire software development lifecycle, from ideation and architecture to delivery and continuous improvement. I've led teams through complex technical challenges, mentored developers at all levels, and consistently delivered solutions that exceed client expectations.

What sets me apart is my ability to combine deep technical expertise with strategic thinking and clear communication - whether I'm negotiating with C-level executives, collaborating with designers, or pair programming with junior developers.

🎯

Technical Leadership

Led multidisciplinary teams in agile environments, driving adoption of best practices like TDD, pair programming, and CI/CD.

Performance Expert

Optimized critical paths reducing load times by 60%, improved Core Web Vitals, and sustained Black Friday traffic at scale.

🏗️

System Architect

Designed scalable solutions including design systems, micro frontends, and complex e-commerce platforms handling millions of users.

🌍

Global Mindset

Worked with multicultural teams across Brazil, Spain, Bolivia, and Peru. Fluent in English and Spanish.

Core Skills

Technologies and practices I excel at

Frontend

React
Expert

6+ years building production apps, component libraries, and mentoring teams

Next.js
Expert

SSR/SSG, API routes, optimization, and complex architectures

TypeScript
Expert

Advanced types, generics, and large-scale TS codebases

Vue.js
Advanced

Vue 3 Composition API, complex state management, and refactoring

Mobile & Backend

React Native
Expert

White-label apps, feature flags, and native module integration

Node.js
Advanced

API development, middlewares, and backend integrations

Flutter
Advanced

Cross-platform mobile development with custom widgets

PHP/Symfony
Advanced

Enterprise systems, services, and deep refactoring

Architecture & Practices

Design Systems Micro Frontends PWA TDD CI/CD GraphQL REST SSR/SSG Agile/Scrum DevOps

E-commerce Platforms

VTEX IO FastStore v2 WordPress VIP Shopify

Experience Highlights

Full Stack Developer Senior

May 2025 - Nov 2025

Erictech (Vivo/Telefônica)

Led critical refactoring of Vue 3 modules and Symfony backend for Vivo's internal operations system. Worked with multicultural team (Brazil, Spain, Bolivia, Peru) in Spanish-speaking environment.

✓ Fixed race condition bugs in concurrent API calls
✓ Refactored critical modules achieving 100% stability
✓ Documented undocumented business flows
Vue 3 Symfony PHP

Frontend Developer Senior (Freelancer)

Dec 2024 - Apr 2025

Tecidos Kite

Reverse-engineered and rebuilt entire VTEX IO store from production without source code. Created design system from scratch, implemented advanced SEO, and achieved 100% indexability.

✓ Complete reverse engineering of production store
✓ Built scalable design system from zero
✓ Improved Core Web Vitals by 40%
VTEX IO React SEO

Mid-level Frontend Developer

May 2024 - Sep 2024

Quality Digital (Americanas)

Key contributor in Americanas' massive e-commerce rebuild using VTEX FastStore v2. Decoded undocumented runtime, created internal documentation, and solved critical caching issues.

✓ Investigated and fixed Hydrogen Cache bugs
✓ Created technical documentation that became team reference
✓ Participated in architectural decisions
Next.js FastStore v2 GraphQL

Full Stack Developer Senior

Jan 2024 - Apr 2024

CNN Brasil

Refactored critical election coverage system on WordPress VIP. Unified dispersed modules, rebuilt editorial calendar, and improved performance under strict VIP guidelines.

✓ Reduced code duplication by 84%
✓ Improved payload size by 41%
✓ Delivered under tight deadline for Elections 2024
WordPress VIP PHP JavaScript

Mid-level Full Stack / Mobile Developer

Jun 2020 - Jul 2021

Vorttex

Worked on three major fronts: Next.js SSR/SEO for Riachuelo's affiliate platform, full-stack MVP for iFood's insurance system, and led mobile architecture for white-label product with feature flags and modular design.

✓ Built SSR-optimized pages with Next.js for high indexability
✓ Developed full-stack MVP from scratch (dashboard + API)
✓ Architected modular mobile app with feature flag system
React Native Next.js Node.js

Frontend Intern

Nov 2019 - Jun 2020

SaveAdd

Led frontend modernization, migrating legacy React class components to Hooks, implementing Redux for state management, and building real-time business dashboards.

✓ Migrated entire codebase from class components to Hooks
✓ Implemented Redux in critical user flows
✓ Built interactive dashboards with real data
React Redux Hooks

Technology Scholar

Apr 2017 - Nov 2019

Habits Incubadora Escola

Foundation of my real-world training. Worked on infrastructure, automation, web development, and internal platforms. Built systems like Habits ID (Raspberry Pi + RFID + React), intranet (SharePoint), and taught HTML/JS courses.

✓ Created Habits ID identification system with hardware integration
✓ Developed internal platforms (Meteor, CakePHP, Angular)
✓ Taught web development courses (HTML, JavaScript)
React Raspberry Pi SharePoint Meteor

Mentoring & Team Growth

Beyond coding, I'm passionate about growing developers and building high-performing teams.

Throughout my career, I've mentored 20+ developers at all levels - from juniors taking their first steps to seniors navigating complex architectural decisions. I believe in leading by example, fostering psychological safety, and creating an environment where continuous learning is the norm.

🎓 Pair Programming

Regular sessions helping developers level up through hands-on collaboration and knowledge sharing.

📝 Code Reviews

Thorough, constructive reviews that teach best practices while maintaining high code quality standards.

🏗️ Architecture Decisions

Involving team in architectural discussions, explaining trade-offs, and building consensus.

📚 Documentation

Creating clear documentation and internal guides that empower team autonomy and knowledge retention.

🎯 Best Practices

Championing TDD, CI/CD, clean code, design patterns, and continuous delivery across teams.

🌱 Career Growth

Providing constructive feedback, identifying growth opportunities, and supporting professional development.

Let's Build Something Great

I'm currently available for new opportunities. If you're looking for a Senior Software Developer who combines technical excellence with leadership and clear communication, let's talk.