Joel Bello
Freelance Full-Stack Developer • 7+ Years Experience • Remote
I help startups and companies build scalable web applications with TypeScript, React, Next.js, and Ruby on Rails. Specialized in MVP development, AI integration, and high-performance solutions. Fast delivery with 100% test coverage and proven results.
Let's Build Something Amazing Together
Looking for a reliable developer to bring your project to life? I'm available for freelance work and ready to help you build scalable, high-quality web applications.
Fast Delivery
Efficient development with agile methodology
Quality Code
100% test coverage & best practices
Remote Ready
Flexible timezone, clear communication
Services I Offer
MVP Development
Launch your startup idea fast with a fully functional MVP. From concept to deployment in weeks.
- • Full-stack development
- • Database design
- • API integration
- • Deployment & hosting
AI Integration
Add AI capabilities to your product with OpenAI, Claude, or custom LLM solutions.
- • ChatGPT integration
- • Custom AI features
- • Prompt engineering
- • RAG implementation
Web App Development
Build scalable, performant web applications with modern tech stack and best practices.
- • React & Next.js apps
- • Ruby on Rails APIs
- • Real-time features
- • Performance optimization
Technical Skills
Frontend
Backend
Database
Tools
Experience
Full-Stack Developer | AI Integration & Local SEO Platform
LogicalMinds.co
Remote
Developed and architected a comprehensive local business management platform serving small and medium businesses. Led end-to-end development of AI-powered features that automated business description generation and content optimization.
- Built scalable Ruby on Rails API architecture with modular service patterns
- Designed AI-powered business description generator using LLM integration
- Developed responsive React.js frontend with Next.js and real-time validation
- Created multi-step onboarding system with AI-assisted content generation
FullStack Developer
ShareableInnovations
Santiago, Chile · Remote
Integrated server-ERP connections and created high-performance intranet solutions. Improved webapp structure and mobile application security.
- Created intranet improving performance and accessibility to 100%
- Improved WebApp structure to 80%
- Obfuscated code to improve mobile application security
- Published apps in Apple Store, Play Store and AppGallery
FullStack Developer
Tecabot
Buenos Aires, Argentina · Remote
Integrated WhatsApp bot with Ruby on Rails API to track user expenses and income in real time. Built Next.js frontend with dynamic financial data visualization.
- Integrated WhatsApp bot with Ruby on Rails API for real-time expense tracking
- Built Next.js frontend with dynamic graphs for financial data
- Developed admin module for user behavior and permissions management
Frontend Developer
Aictive
Santiago, Chile · Remote
Implemented atomic design patterns and comprehensive testing frameworks. Developed pose detection flow and questionnaire systems.
- Integrated atomic design pattern in frontend architecture
- Added Storybook for component documentation
- Implemented unit tests and complete questionnaire flows
- Worked on client pose detection flow
FullStack Developer
Deglotec
Santiago, Chile · Remote
Improved webapp accessibility and created scalable components. Achieved comprehensive test coverage and enhanced data visualization.
- Improved webapp accessibility to 100%
- Created various scalable components
- Achieved 100% Unit Test Coverage
- Implemented data charting solutions in Azure
What I Believe
Featured Projects
Fichia
LiveThe ultimate tool for any team. Centralize employee bookings, analyze productivity, and manage premium subscriptions with AI.
Ignauth
LiveChrome extension that extracts and copies authentication tokens (bearer tokens) from websites