Ronny Freites

About Me
Senior Software Engineer with 9+ years of experience specializing in enterprise full-stack development, serverless architecture, e-commerce platform engineering, and AI-powered solutions. Proven track record of architecting and maintaining mission-critical systems processing millions of events daily, with expertise in GraphQL optimization, third-party integrations, scalable system design, and artificial intelligence integration.
Deep expertise in full-stack development, cloud architecture, and modern web technologies
Building intelligent systems with LangChain, OpenAI, and cutting-edge AI technologies
Led teams of 6+ developers across multiple enterprise-level projects
Continuous learning across AI/ML, cloud platforms, and development frameworks
Architected platforms processing millions of transactions daily with 99.9% uptime
10+ years leading CostaRicaJS community and contributing to open source
Career Journey
9+ years of experience building enterprise-scale solutions, leading teams, and driving innovation
Delivering AI-powered software solutions and consulting services, specializing in artificial intelligence integration, software design, and innovative product development.
Key Achievements
- ▸AI Integration Leadership: Leading development of intelligent systems leveraging cutting-edge AI technologies including LangChain, Google AI SDK, and Model Context Protocol
- ▸Product Innovation: Building AI-powered solutions that solve complex business problems with focus on scalability and user experience
Tech Stack
Architected and maintained a mission-critical enterprise serverless platform processing millions of e-commerce events and transactions daily.
Key Achievements
- ▸Impact Affiliate Network Integration: Spearheaded development of robust web event processing pipelines handling 45+ days of historical data with sophisticated error handling and automated retry mechanisms
- ▸Creator/Ambassador Platform: Architected comprehensive influencer marketing platform with dynamic tracking link generation, real-time analytics dashboards, and commission calculation engines
- ▸Performance Optimization: Implemented advanced database query strategies and intelligent product sorting algorithms, directly contributing to improved system reliability and increased revenue generation
- ▸Technical Innovation: Developed expandable widget system with multiple positioning options, enabling seamless product link integration across various platforms
Tech Stack
Led transformation of legacy .NET system into modern serverless architecture for Submittable's Grant Management system.
Key Achievements
- ▸Legacy System Migration: Successfully migrated existing .NET Core system to React with AWS Lambda serverless functions
- ▸Technical Leadership: Provided strategic planning and execution guidance, mentoring junior developers on project expectations and scalable architecture best practices
- ▸Modern Frontend Development: Implemented React application using Hooks, Context API, and Redux for effective state management
- ▸Payment Integration: Implemented Payoneer integration for fund withdrawals and payment processing
Tech Stack
Led team of six full-stack developers in developing comprehensive payment gateway project with QR code-based retail payment solutions.
Key Achievements
- ▸Team Leadership: Managed and mentored team of six developers through complex technical challenges
- ▸Payment Gateway Architecture: Designed and implemented complete payment system with external payment integrations and mobile application support
- ▸QR Code Innovation: Successfully implemented QR code-based payment solution specifically tailored for retail-level payment reception
- ▸AWS Infrastructure: Optimized performance using AWS Lambda functions and Serverless.com infrastructure management
Tech Stack
Led development of international Marriott Hotels website, focusing on accessibility, performance, and user experience for Fortune 500 client.
Key Achievements
- ▸Enterprise WordPress Development: Led development of international Marriott site with custom plugin for business locations showcase
- ▸Advanced Filtering Systems: Designed comprehensive plugin with region and brand filters for managing substantial information volumes
- ▸Accessibility Excellence: Implemented advanced accessibility techniques and screen reader integration for inclusive user experience
- ▸Technical Mentorship: Mentored team members and contributed to solving complex challenges with innovative solutions
Tech Stack
Technical Arsenal
Full-stack expertise across modern technologies, cloud platforms, and AI integration
Server-side development with modern languages and frameworks
Modern UI/UX development with cutting-edge frameworks
Relational, NoSQL, and cloud database solutions
Cloud infrastructure and containerization
Artificial intelligence and ML integration
E-commerce, payment, and third-party integrations
Technology Honeycomb
Explore my technical expertise through an interactive hexagonal visualization. Hexagon size represents proficiency level.
Featured Projects
Showcasing innovative solutions across AI/ML, e-commerce, and enterprise platforms
AI-powered real estate platform for Costa Rica properties with advanced semantic search and multi-language support.
Technical Highlights
- ▸Google AI SDK for automated content generation and 13-language translation
- ▸Vector-based property search using pgvector extension
- ▸Google Cloud Vision and Video Intelligence API integration
Tech Stack
Modern headless WordPress starter demonstrating best practices for performance-optimized content sites.
Technical Highlights
- ▸WordPress backend with Astro frontend for optimal performance
- ▸Full TypeScript integration with auto-generated GraphQL types
- ▸Yoast SEO integration with proper meta tag handling
Tech Stack
Mission-critical serverless platform processing millions of e-commerce events and transactions daily.
Technical Highlights
- ▸Impact Affiliate Network integration with 45+ days historical data processing
- ▸Creator/Ambassador platform with dynamic tracking and analytics
- ▸Advanced database query optimization for revenue generation
Tech Stack
Full-stack e-commerce platform with Shopify integration and Spanish localization.
Technical Highlights
- ▸Complete e-commerce solution from concept to production
- ▸Shopify integration for inventory management
- ▸Spanish language support for international markets
Tech Stack
Learning Showcase
Continuous learning journey with 32+ professional certifications
Spanning AI/ML, modern development, cloud infrastructure, and enterprise technologies
LangChain
Anthropic
Anthropic
AWS
AWS
AWS
AWS
AWS
AWS
AWS
AWS
AWS
Frontend Masters
Frontend Masters
Frontend Masters
Frontend Masters
Frontend Masters
Frontend Masters
Frontend Masters
Frontend Masters
Udemy
Udemy
AWS
Docker
Udemy
Udemy
Microsoft
Adobe Commerce
Udemy
Platzi
View complete certification list on LinkedIn
View All Certifications on LinkedInOpen Source Contributions
Contributing to the developer community through open source projects and community leadership
Featured Projects
Community Impact
CostaRicaJS Leadership
10+ years leading Costa Rica's premier JavaScript community with educational resources
Open Source Contributions
1,447+ contributions across 217 public repositories and private ShipEase projects
Technical Speaking
WordCamp San José speaker (PHP7 features) and JavaScript technical evangelist
Mentorship & Education
Created JavaScript fundamentals book and mentored 50+ junior developers
Services & Consulting
Specialized software engineering and AI consulting services
- Custom web application development
- RESTful & GraphQL API design
- Database architecture & optimization
- Cloud deployment (AWS, Vercel)
- Performance optimization
- Code review & refactoring
- LangChain integration
- OpenAI API implementation
- RAG system development
- Custom AI chatbots
- Semantic search solutions
- AI workflow automation
- Shopify/WooCommerce integration
- Payment gateway setup (Stripe)
- Multi-language support
- Product management systems
- Order processing automation
- Analytics & reporting
- Architecture review & design
- Technology stack consultation
- Code quality assessment
- Performance audits
- Security best practices
- Team mentorship
- Legacy code assessment
- Migration strategy planning
- Framework modernization
- Database migration
- Cloud migration (AWS)
- Zero-downtime deployment
- RESTful API design
- GraphQL implementation
- Third-party API integration
- API documentation
- Webhook development
- API security & authentication
Ready to start your project?
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