terminal
_
const experience = '15+ years banking + 2+ years dev';
const expertise = ['IoT', 'Full-Stack', 'Embedded'];
const passion = 'Building innovative solutions';
// Contact API Endpoints
GET/contact/email
GET/contact/linkedin
GET/contact/github
// Developer Profile
João
Mariz
class Developer extends Engineer {
specialties: ['IoT', 'Full-Stack'];
location: 'Braga, PT';
status: 'Available';
}
Passionate about technology since age 11, I bring a unique blend of customer relationship expertise from 15 years in banking and cutting-edge technical skills in IoT, embedded systems, and modern web development.
// Professional Experience
git log --oneline
IoT & Embedded Systems Developer
Bragalux
active2025-Present
Portuguese infrastructure company with 40+ years of experience, specializing in electrical networks, engineering, HVAC, and hydraulic systems. Working in their R&D department on innovative LED technology and smart lighting solutions.
// Key Achievements
  • •Designing IoT solutions for smart lighting systems
  • •Managing R&D infrastructure and deployment pipelines
  • •Building scalable applications with modern TypeScript stack
// Tech Stack
CLVGLEEZ StudioTypeScriptBunAngular
Full-Stack Developer
Partteam & OEMKiosks
completed2023-2024
Leading European manufacturer of premium digital kiosks and interactive solutions with 25+ years of experience. Serving retail, hospitality, healthcare, and public sectors with innovative self-service technology across multiple countries.
// Key Achievements
  • •Built RESTful APIs for legacy kiosk software
  • •Implemented Portuguese National Cards contactless features
  • •Developed transport ticketing system backoffice portal
  • •Created custom GrapesJS interface for kiosk layouts
// Tech Stack
PHPC#.NET CoreAngularNode.jsModBus
Junior Full-Stack Developer
Grupo Érre / Érre Technology
completed2023
Multidisciplinary technology group based in Braga with operations across Portugal and African countries. Full-service agency providing IT solutions, web development, design, and digital transformation services with the motto 'Dream.Work.Enjoy.'
// Key Achievements
  • •Developed Sustainagro agrotourism web portal
  • •Mentored interns on Immune.pt project
  • •Built microservices for secure data collection
// Tech Stack
Node.jsMongoDBAngular 14
// Technical Skills
npm list --depth=0
Embedded & IoT
C
LVGL
EEZ Studio
Microcontrollers
Hardware Integration
Backend
Node.js
.NET Core
PHP
TypeScript
Bun
RESTful APIs
Frontend
Angular
React
TypeScript
HTML5
CSS3
jQuery
Database
SQL Server
MongoDB
Entity Framework
T-SQL
DevOps & Tools
Docker
Kubernetes
VPS
Git
CI/CD
Linux
// Core Competencies
✓Team Leadership & Mentoring
✓Customer-Centric Solution Design
✓Problem-Solving & Critical Thinking
✓Interpersonal Communication
✓Project Management
✓Infrastructure Management & DevOps
// Personal Projects
ls -la ~/projects/
Kubernetes HomeLab
Multi-node cluster with Raspberry Pi and monitoring stack
K8sDockerPrometheusGrafana
IoT Home Automation
Zigbee network controlling lighting and garage systems
ZigbeeMQTTHome AssistantESP32
Infrastructure as Code
VPS management with automated deployment pipelines
DockerNGINXCI/CDLinux
// Education & Background
cat ~/.education
// Academic Background
Universidade do Minho
Systems Engineering and Informatics
2002-2006
Primavera Academy - re_Start
Full Stack Developer Bootcamp
2022
Udemy Certification
C# RESTful API on WebAPI .NET Core
2023
// System Info
Languages:PT(native), EN(B2), ES(A2)
Location:Braga, Portugal
Programming Since:Age 11 (QBasic)
Banking Experience:15 years (2007-2021)
Status:Available for hire