luccas@portfolio — zsh
luccas@portfolio:~$
luccas@portfolio:~$ whoami

Senior Fullstack Developer with 5+ years of experience building scalable, production-grade systems.


I don't just write code — I design systems, automate infrastructure, and ensure quality through rigorous testing.


Core expertise in Go, TypeScript/Node.js, and AWS serverless architectures. Experienced in building everything from backend microservices to full frontend applications, with deep knowledge of DevOps practices, CI/CD pipelines, and Infrastructure as Code.


Background includes gaming platforms, Web3 applications, LLM integrations, and enterprise SaaS — always with a focus on clean architecture, system design, and software engineering best practices.


// 3+ years collaborating with global teams in English. AWS Certified. Based in Brazil.

luccas@portfolio:~$ ls -la skills/
backend/
  • Go
  • Node.js
  • TypeScript
  • NestJS
  • REST APIs
  • GraphQL
frontend/
  • React
  • Next.js
  • Astro
  • HTML / CSS
devops/
  • AWS (Lambda, Step Functions, S3, SQS, SNS, EventBridge)
  • Terraform
  • Docker
  • GitHub Actions
  • CircleCI
  • CloudFormation
databases/
  • PostgreSQL
  • MySQL
  • MongoDB
  • Redis
  • DynamoDB
  • Pinecone
practices/
  • System Design
  • Clean Architecture
  • SOLID Principles
  • TDD
  • Microservices
  • Serverless
  • Event-Driven Architecture
luccas@portfolio:~$ cat experience/*.log | sort -r
Cyrex Enterprise
Backend Engineer — Remote, Belgium
  • Architected fully serverless solutions with AWS Lambda, Step Functions, EventBridge, SES, SNS, and SQS for event-driven workflows
  • Designed and maintained scalable backend systems in Go and Node.js with Terraform-managed AWS infrastructure
  • Built sophisticated permission management systems using custom authorizers, Auth0, and Clerk
  • Engineered gaming and affiliate management platforms with secure transactions and microservices architecture
  • Managed CI/CD pipelines with GitHub Actions and CircleCI
  • Integrated Clerk and BigCommerce for user management and e-commerce workflows

Go · React · Node.js · Next.js · TypeScript · AWS · Terraform · Docker · CHI · GIN · Huma · NestJS

Sambatech
Fullstack Developer — Remote, Brazil
  • Designed and developed custom Learning Management Systems (LMS) for enterprise clients
  • Built scalable APIs with TypeScript/Node.js, including SQL query optimization and efficient database management
  • Applied SOLID principles and OOP best practices for modular, maintainable code
  • Developed interactive frontend interfaces with React.js and Styled Components
  • Integrated AWS IAM for secure multi-tenant authentication

AWS · Docker · PostgreSQL · Node.js · Express · TypeScript · React

Claranet Brasil
Fullstack Developer — Remote, Brazil
  • Built and maintained Client Portal and Ally Portal (affiliate/reseller management) in a startup-like internal team
  • Architected backend systems following SOLID, clean code, design patterns, and clean architecture
  • Implemented APIs to automate internal processes and developed new frontend features
  • Ensured quality delivery through comprehensive unit testing with Jest

Docker · PostgreSQL · MongoDB · Node.js · Express · TypeScript · React

SharePrime
Frontend Developer — Remote, Brazil
  • Built custom intranet solutions with React.js and TypeScript
  • Leveraged SharePoint (SPFX, PnPJS) to automate processes and enhance efficiency

React · TypeScript · SharePoint · PnPJS

luccas@portfolio:~$ grep -r 'achievement' ./career/
Automated Onboarding — 40% Time Reduction

Built a Python Slack bot that automated access generation for new collaborators, cutting onboarding time by 40%.

Build Generation Tool — Avalanche Studios

Developed a build generation tool using Go and GitHub Actions that scanned NFS, created cron jobs, and scheduled releases — significantly improving build management efficiency.

luccas@portfolio:~$ cat certifications.txt

AWS Certified Cloud Practitioner

luccas@portfolio:~$ echo $CONTACT
luccas@portfolio:~$