Joel Bello

Joel Bello

Full Stack Developer
Spain
Spanish, English

About Me

Full Stack Engineer with 4+ years of experience designing and shipping production systems used by over a million users, including APIs handling 1M+ daily requests at 99.9% uptime. Specialized in Node.js, Ruby on Rails, a…

Experience

Full Stack Engineer

LogicalMinds
May 2025 - Mar 2026 · 10 months

<p>Built data-intensive interfaces using React with Apollo Client connecting to Rails GraphQL APIs<br>
Integrated MediaPipe for movement recognition within React applications<br>
Designed scalable MongoDB collections following document-oriented modeling best practices<br>
Built REST APIs using Node.js, NestJS, and MongoDB (Mongoose)<br>
Implemented Redux for complex state management in large-scale React applications</p>

Full Stack Developer

Devups
Oct 2022 - May 2025 · 2 years 7 months

<p>Built scalable Ruby on Rails API architecture with modular service patterns and comprehensive error handling<br>
Designed and implemented AI-powered business description generator using LLM integration, incorporating local keywords and business data for SEO optimization<br>
Developed responsive React.js frontend with Next.js, featuring dynamic forms, real-time validation, and intuitive user workflows<br>
Created multi-step onboarding system with keyword management, business profile completion, and AI-assisted content generation<br>
Implemented secure authentication, CSRF protection, and robust error handling with centralized logging<br>
Integrated third-party APIs for location services and business data management<br>
Established internationalization framework and component-based architecture for scalability<br>
Delivered features that provided clear value proposition to users through automated content generation and local SEO optimization</p>

React+Next Developer

Tecabot
Aug 2023 - Apr 2024 · 8 months

<p>Developed and maintained modular backend services using Ruby on Rails that powered React/Next.js frontends<br>
Reduced API response times by 40% through SQL query optimization and proper Rails caching implementation<br>
Orchestrated deployments using AWS Amplify, ensuring zero downtime during releases</p>

Full Stack Developer

Aictive
Mar 2022 - Oct 2022 · 7 months

<p>Reduced page load time by 60% through React component optimization and Ruby backend caching strategies<br>
Implemented Ruby on Rails API endpoints handling 1M+ daily requests with 99.9% uptime<br>
Created a reusable React component library adopted by 5 development teams, standardizing UI across multiple projects<br>
Migrated a legacy application to a modern Rails/React stack, reducing codebase size by 30% while adding new features<br>
Mentored 3 junior developers on React best practices, improving their productivity by 25%</p>

Skills

HTML JavaScript CSS RSpec Ruby on Rails Microservices Architecture TypeScript React API Integration PostgreSQL Git Jest AWS Cypress Docker Node.js Python React JS React Native Next JS Vue JS Azure MongoDB Nest JS Nightwatch JS Testing Library Sequelize Digital Ocean MySQL GraphQL Apollo Client MediaPipe Redux Mongoose AWS Amplify OpenAI Gemini LLM integration
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