Java Backend Developer

Building reliablebackend systems

Systems Analysis and Development student focused on Java and backend architecture. I enjoy building scalable APIs, designing maintainable systems and continuously improving my engineering skills.

Spring Boot PostgreSQL REST APIs
GitHub LinkedIn
Guilherme
🇧🇷 Brazil

Selected Projects

Backend projects focused on scalable systems, APIs and real-world applications.

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
Coming Soon
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
Coming Soon

Global Experience

I studied English in Manchester, UK at EC Manchester English Language School, gaining international experience and improving my communication in a global environment.

Currently studying Systems Analysis and Development, focusing on backend development and scalable software architecture.

🇬🇧 Manchester Experience🎓 Systems Analysis Student🌍 Intermediate English

English Level

Intermediate English with international study experience in the UK.

Education

Systems Analysis and Development student focused on software engineering.

Career Focus

Backend development, APIs and scalable software systems.

Backend Engineering Stack

Building backend systems with modern Java technologies, best practices, scalable architectures, and machine learning skills.

Technologies

Java
Spring Boot
Quarkus
PostgreSQL
Docker
Git
AWS
Gradle
Kafka
Redis
Machine Learning
Learning
Software Architecture
Learning

Engineering Practices

Clean Code

Writing clean and maintainable backend code

REST API Development

Designing RESTful APIs with Spring Boot

Microservices Architecture

Hands-on microservices projects

Event-Driven Architecture

Using Kafka for async service communication

Security & Authentication

Implementing JWT & Spring Security

Caching Strategies

Redis for performance improvements

Version Control

Managing code with Git and GitHub

Authentication (JWT)

Implementing JWT authentication flows

Available for junior backend developer positions.

Let's BuildSomething Great

I'm a Systems Analysis and Development student focused on backend engineering with Java and Spring Boot.

Interested in contributing to the development of scalable APIs, microservices, and robust systems in engineering environments that value best practices. If you're a recruiter, engineer, or founder looking for a motivated developer, feel free to reach out.

• Backend Development with Java and Spring Boot

• REST API Design and Scalable Architectures

• Strong focus on clean code and best practices