Software Engineer

Building scalablebackend systems

Backend Engineer focused on the Java ecosystem. I build robust APIs, secure architectures, and high-performance digital products.

Spring Boot PostgreSQL Architecture
GitHub LinkedIn
Guilherme
🇧🇷 Brazil

Startups & Ventures

Next-generation SaaS platforms and digital ventures engineered to accelerate growth and solve your real-world challenges.

TradeLens Analytics

TradeLens Analytics

Market Intelligence Platform

Transform financial data into actionable insights with real-time market analytics, advanced charting tools and portfolio tracking features.

TradingView-Style Charts
Real-Time News Feed
Portfolio Tracking
Technical Indicators
PulseAPI Monitor

PulseAPI Monitor

API Monitoring Platform

Backend platform designed to monitor API uptime, performance metrics and system health with real-time alerts and service monitoring.

API Health Checks
Real-Time Metrics
Service Monitoring
Alert Notifications
Em manutenção
AuthCore

AuthCore

Authentication & Authorization System

Secure authentication platform built with Spring Boot and Spring Security implementing JWT authentication, refresh tokens and role-based access control.

JWT Authentication
Refresh Tokens
Role-Based Access
API Security Layer
Em manutenção

Global Perspective

My international immersion in Manchester, UK at EC English Language School allowed me to develop a global mindset and refine my communication skills for cross-cultural tech environments.

I combine this international exposure with a strong academic foundation in Systems Analysis and Development, empowering me to architect robust backend solutions and scalable enterprise systems.

🇬🇧 UK Immersion🎓 Academic Foundation🌍 Global Communication

International Communication

Proficient English skills refined abroad, tailored for technical documentation and international collaboration.

Systems Analysis Degree

Bridging computer science theory with real-world engineering to deliver maintainable software architectures.

Engineering Focus

Dedicated to building high-performance APIs, B2B SaaS platforms, and reliable backend ecosystems.

Core Engineering Stack

Design and develop intelligent back-end architectures and data pipelines, focusing on scalability, resilience, high performance, and operational efficiency.

Technologies

Java
Spring Boot
Quarkus
PostgreSQL
Docker
Git
AWS
Gradle
Kafka
Redis
AI & LLM Integration
Cloud Architecture

Engineering Practices

Clean Architecture & DDD

Designing decoupled, maintainable enterprise systems

API Gateway & Routing

Orchestrating robust APIs and rate limiting strategies

Distributed Systems

Building resilient and scalable microservices

Event-Driven Messaging

Asynchronous workflows and data streaming with Kafka

Identity & Security

Securing architectures with JWT, OAuth2 & Spring Security

High-Performance Caching

Optimizing data retrieval bottlenecks with Redis

AI Orchestration

Integrating LLMs for automated business workflows

Cloud-Native Deployments

Containerization and seamless CI/CD pipelines

Open to strategic opportunities

Let's ArchitectScalable Systems

I am a Software Engineer focused on backend architecture, B2B SaaS platforms, and intelligent automation systems.

Whether you are a tech leader scaling existing infrastructure or a founder building a new digital venture, I can help you design and deploy robust, high-performance solutions.

Backend Architecture & Distributed Systems

Java, Spring Boot & Cloud Infrastructure

System Orchestration & Workflow Automation