Hello, I am José Júnior.
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I transform ideas into incredible digital experiences. Specialized in modern web development, mobile and business management systems.
Development
Performance
Mobile First
Web Apps
About Me
Full Stack Developer passionate about technology with over 20 years of experience
José Júnior
Full Stack Developer passionate about creating innovative digital solutions and exceptional user experiences.
33 years
Age
Brazilian
Nationality
PT/EN
Languages
Contact Information
Address
São Caetano do Sul/SP
Phone/WhatsApp
11 93366-0458
contato@josejunior.com.br
@dev.josejunior (100k+)
Technical Skills
Next.js
95%
React JS
98%
TypeScript
90%
Node.js
88%
PHP
85%
C#
82%
HTML5/CSS3
95%
JavaScript
92%
Services
Customized solutions for your business
Management System
Complete system for restaurants and hotels with online bar, real-time orders and financial management.
Languages
React, TypeScript, Node.js
Frameworks
Next.js, Firebase
WhatsApp Automation
Bots for customer service and automatic sales.
Languages
React, Node.js
Frameworks
Nest.js
Web Application
Customized solutions for your business.
Languages
React, TypeScript, Node.js
Frameworks
React, Next.js
Android/iOS App
Mobile apps to connect companies and customers.
Languages
React, TypeScript, Node.js
Frameworks
React Native, Expo
Virtual Store
Virtual stores focused on conversion and UX.
Languages
React, PHP, HTML
Frameworks
Next.js, Shopify
Institutional Site
Modern and scalable institutional solutions.
Languages
React, PHP, C#, HTML
Frameworks
Next.js
Professional Trajectory
My journey in software development and creating digital solutions
Freelance Developer
Myself
Development of customized web solutions for various clients, including management systems, e-commerce and mobile applications.
Senior Web Developer
MJDS
Technical leadership in complex projects, development of scalable architectures and mentoring of junior developers.
Web Developer
Midia Proativa
Web application development and integration with digital marketing and automation systems.
Web Developer
VerMais Internet
Creation of institutional websites and content management systems, using modern web development technologies.
Web Developer
Vise Informática
Web system development and maintenance of existing applications, focused on PHP and MySQL technologies.
What I've Done
Over 20 years transforming ideas into digital solutions that generate real results for companies of all sizes
20+
Years of Experience
100+
Projects Delivered
50+
Satisfied Clients
6
Supported Languages
Projects That Transformed Businesses
Alvorada Magistral
Complete Digital Transformation
Digital TransformationI revolutionized the company's digital presence with a multilingual website (6+ languages), integrated systems and modern visual identity. Result: international expansion and 300% increase in conversions.
📈 300% ↗ Conversions
Aquarium Residence
Hotel Management System
Management SystemI developed a complete system that revolutionized the hotel's operation: real-time order control, integrated financial management and complete automation. Operational efficiency increased by 250%.
📈 250% ↗ Efficiency
Guild Fenix
Complete Gaming Automation
Gaming AutomationI created a complete digital ecosystem: WhatsApp automations, member website, item delivery system, automatic promotions and confirmations. Guild engagement increased by 400%.
📈 400% ↗ Engagement
Belle Femme Store
E-commerce with Automation
E-commerceI completely automated the store's order process: from receipt to delivery. Intelligent system that reduced processing time by 80% and eliminated manual errors.
📈 80% ↘ Processing Time
Cordeiro Industrial
Modern Corporate Website
Corporate WebsiteI transformed the industry's digital presence with a modern and efficient website. Professional design and intuitive navigation that highlighted the brand in the competitive industrial market.
📈 Market Highlight
MJDS - Senior Projects
Technical Leadership
Technical LeadershipAs Senior Developer, I lead complex projects, develop scalable architectures and mentor developers. Responsible for solutions that serve thousands of users daily.
📈 Thousands of Users
Get in Touch
Ready to start your project? Choose the contact method you prefer. I respond quickly and I'm always available for a conversation!
24h
Response time
100%
Projects delivered
50+
Clients
Send your Message
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