Miguel Barreiro

Full-Stack Developer & Technical Lead

Full-Stack Developer since 2015, specializing in enterprise-scale web and mobile solutions. Strong background in technical leadership, microservices architecture, and DevOps automation, delivering secure, scalable, and high-performance systems. Passionate about mentoring and teaching, with a proven ability to guide graduate students and developers toward academic and professional success.

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About Me

Experienced in designing, building, and scaling modern web and mobile applications. Proficient across frontend, backend, DevOps, and cloud infrastructure. Strong focus on delivering high-performance, secure, and scalable systems with clean code and intuitive interfaces.

Key Strengths

Technical leadership and team management across multiple projects
Architecture and development of microservices and distributed systems
DevOps implementation with CI/CD, Kubernetes, and cloud infrastructure
Mentoring and teaching developers (2+ years as instructor at IPLeiria)
Full-stack development with modern frameworks and enterprise solutions
Performance optimization, security, and scalability at enterprise level

Location & Availability

Caldas da Rainha, Portugal • Remote-friendly • Open to opportunities

Technical Skills

Languages & Frameworks

Golang PHP JavaScript TypeScript Python Kotlin Java React React Native Vue.js Laravel WordPress Node.js

Cloud & Infrastructure

GCP AWS Docker Kubernetes Cloudflare NGINX GitHub Actions CI/CD

Databases & Messaging

MySQL PostgreSQL Redis Elasticsearch RabbitMQ Google Pub/Sub

Leadership & Architecture

Technical Leadership Team Management Mentoring & Teaching Microservices Architecture System Design Code Reviews Project Planning

Specializations

Mobile Development API Design OAuth2 WebSockets Payment Integration Performance Optimization Fraud Detection E-commerce

Professional Experience

Observador SA - Senior Full-Stack Developer

2021-Present

Leading development of enterprise microservice architectures in Golang
Built end-to-end mobile apps with React Native, Kotlin, and Java
Developed high-performance WordPress platform
Integrated with Google Pub/Sub, RabbitMQ, Stripe, Android Auto, and Apple CarPlay
Direct collaboration with Google engineers on Subscribe with Google and Reader Revenue Management

Golang React Native Laravel WordPress Kubernetes

Polytechnic Institute of Leiria - Technical Instructor

2022-2025

Teaching graduate-level frontend and game development (HTML, CSS, JavaScript, Node.js, Phaser.js)
Teaching application development (C#, MS SQL Server, OOP)
Mentored students on best practices, debugging, and problem-solving
Designed hands-on projects for building functional applications
Provided practical programming experience and technical guidance

Teaching Mentoring JavaScript C# Node.js

MLP Barreiro LDA - Lead Developer

2015-2021

Led the design and implementing of a invoice fraud detection system
Built high-performance Magento 2 e-commerce platform
Developed Django workshop management application
Engineered caching solutions with Varnish, Redis, and Elasticsearch
Implemented automated deployment pipelines with GitHub Actions and Kubernetes
Managed infrastructure performance and security

Team Leadership Python Magento 2 Django DevOps

Freelance Development Projects

2022-2023

SafeMinds: Public contracts management platform (Laravel, Vue.js)
MentePresente: E-commerce platform with Kubernetes deployment and high-performance caching
Centro Social da Benedita: Laravel application for registration management
Developed scalable APIs with performance optimization
Implemented modern DevOps practices across all projects

Laravel Vue.js Kubernetes WordPress Redis

Get In Touch

I'm always open to new opportunities and interesting projects. Feel free to reach out!

Contact Information

Email: info@miguelbarreiro.org

Phone: (+351) 917060612

Location: Caldas da Rainha, Portugal • Remote-friendly