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Powerful Software

Software engineer specializing in scalable backend architectures with Java, Python, and Node.js

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5+

Years Experience

40+

Projects Completed

30+

Happy Clients

Who I Am

About Me

Passionate about building exceptional digital experiences

Building The Future, One Line At A Time

With over 5 years of experience in software engineering, I specialize in creating robust, scalable backend systems that power modern applications. My expertise spans across multiple technologies and frameworks, allowing me to choose the best tool for each unique challenge.

I believe in writing clean, maintainable code that not only solves today's problems but anticipates tomorrow's needs. My approach combines technical excellence with business acumen to deliver solutions that truly make a difference.

Problem Solver

Problem Solver

Tackling complex challenges with elegant solutions

Performance Focused

Performance Focused

Optimizing for speed and scalability

Security First

Security First

Building systems you can trust

⚡ Quick Facts

Experience
5+ years
Projects
40+ completed
Satisfaction Rate
99%

💪 Core Strengths

  • 🎯 Clean Code Architecture
  • ⚙️ System Design & Scalability
  • 🔒 Security Best Practices
  • 🚀 Performance Optimization
  • 🧪 Test-Driven Development

🎨 Soft Skills

Team Leadership Clear Communication Problem Solving Mentoring Agile/Scrum Fast Learner
Available for new projects
What I Offer

Development Services

Comprehensive solutions tailored to your needs

Java

Java / Spring Boot

Enterprise-grade applications with Spring ecosystem. Building microservices, RESTful APIs, and cloud-native solutions.

  • Spring Boot & Spring Cloud
  • Microservices Architecture
  • JPA / Hibernate
  • Spring Security
  • Maven / Gradle
Most Popular
Python

Python Development

Versatile solutions with Flask, Django, and FastAPI. From rapid prototyping to production-ready systems.

  • Flask & Django
  • FastAPI for high performance
  • SQLAlchemy / Django ORM
  • Celery for async tasks
  • Data processing pipelines
Node.js

Node.js Development

High-performance JavaScript backends with Express, NestJS, and Fastify for modern web applications.

  • Express.js & NestJS
  • Fastify for speed
  • TypeScript
  • Real-time with Socket.io
  • GraphQL & REST APIs
Technologies

Tech Stack

Tools and technologies I work with

Backend Frameworks

Spring Boot Django Flask FastAPI Express NestJS Fastify

Databases

PostgreSQL MongoDB MySQL Redis Elasticsearch

Cloud & DevOps

AWS Docker Kubernetes CI/CD Jenkins GitHub Actions
My Work

Featured Projects

Some of my recent work

Enterprise ERP System

Modular enterprise platform with Spring Boot

Java Spring Boot Microservices

AI-Powered ERP Platform

Built a comprehensive ERP system for the Irish/European market with sales management, inventory control, financial accounting (VAT compliance), and AI-driven analytics. Designed with GDPR compliance, handling complex business workflows with 99.5% uptime. Source code is private due to contractual obligations.

AI Analytics Service

Data-driven decision support with Python

Python FastAPI PostgreSQL

AI-Powered Business Intelligence

Developed an analytical service that consumes transactional data from the ERP core to deliver data-driven insights. The AI analyzes sales patterns, inventory trends, and financial data to identify optimal business scenarios—such as demand forecasting, stock optimization, and credit risk assessment—providing actionable intelligence without making autonomous decisions. Source code is private due to contractual obligations.

Pharmacy Management API

High-performance backend with Node.js

Node.js TypeScript PostgreSQL

Pharmacy Operations Backend

Built a robust backend system for pharmacy operations management with role-based access control (admin, employee, client), handling medication categories, product inventory, and order processing. Implemented clean architecture with JWT authentication, Prisma ORM for data management, and Zod validation. Features organized modules following separation of concerns with controllers, services, repositories, and DTOs. Deployed in production environment with secure API design. Access available upon request for evaluation purposes.

How I Work

My Process

From concept to deployment

01

Discovery & Planning

Understanding your requirements, goals, and challenges to create a solid foundation.

02

Architecture Design

Designing scalable system architecture and choosing the right technology stack.

03

Development

Writing clean, tested code following best practices and industry standards.

04

Testing & QA

Comprehensive testing to ensure reliability, performance, and security.

05

Deployment

Seamless deployment with CI/CD pipelines and infrastructure setup.

06

Support & Maintenance

Ongoing support, monitoring, and improvements to keep your system optimal.

Client Feedback

Testimonials

What clients say about working with me

★★★★★

"O site da barbearia transformou nosso negócio. Agora temos agendamento online e nossos clientes adoram o visual moderno e profissional. Paulo entregou exatamente o que precisávamos e sempre esteve disponível para ajudar."

JR

João Paulo do Reis

Proprietário, Barbearia do Reis
★★★★★

"O sistema de gerenciamento da farmácia facilitou muito nossas operações diárias. Controle de estoque, gerenciamento de receitas e relatórios de vendas, tudo em um só lugar. Paulo entendeu perfeitamente nossas necessidades e criou um sistema que realmente funciona para nós."

FS

Francisco Scacabarozzi

Proprietário, Farmácia Santa Edwiges
★★★★★

"O sistema de agendamento e gerenciamento de profissionais revolucionou como administramos nossa clínica odontológica. Agora conseguimos gerenciar múltiplos profissionais, agendamentos e prontuários de pacientes com eficiência. Paulo foi profissional, paciente e entregou uma solução que superou nossas expectativas."

LG

Lucia Gambaroto

Proprietária, Odontologia SorriMais

Ready to Build Something Amazing?

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Get In Touch

Contact Me

Let's start a conversation

Let's Work Together

I'm always interested in hearing about new projects and opportunities. Whether you have a question or just want to say hi, feel free to reach out!

Gmail

Email

Gmail
LinkedIn

LinkedIn

LinkedIn
GitHub

GitHub

Github
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