Ronny Freites

Ronny Freites
Senior Software Engineer

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.

Ready to build amazing software together?

Let's discuss your next project and how I can help bring your ideas to life.

Professional Experience

Senior Software Engineer

LoudCrowd

Apr 2022 - Present (3+ years)

Remote

Architected and maintained a mission-critical enterprise serverless platform processing millions of e-commerce events and transactions daily. Led full-stack development with focus on GraphQL optimization, third-party integrations, and scalable system architecture.

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

Technologies:

Python FlaskReact/TypeScriptApollo GraphQLPostgreSQLAWS LambdaAWS RDSAWS CDKServerless Framework

Senior Software Engineering Consultant

Gorilla Logic

Sep 2021 - Apr 2022 (8 months)

Costa Rica

Contributed to transformation of legacy .NET system into modern serverless architecture for Submittable's Grant Management system, serving as both technical lead and mentor for development team.

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
Quality Assurance: Established comprehensive unit testing framework using Jest and React Testing Library

Technologies:

ReactJSAWS Lambda.NET CoreReduxJestReact Testing Library

Technical Lead

OMNiLabs

Nov 2018 - Sep 2021 (2 years 11 months)

Costa Rica - Remote

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
Strategic Decision Making: Led architectural decisions and feature design while fostering collaborative learning environment

Technologies:

TypeScriptNode.jsReact NativeAWS LambdaServerless Framework

Senior Full Stack Developer

Critical Mass

Nov 2016 - Nov 2018 (2 years 1 month)

Costa Rica - On-site

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

Technologies:

WordPressPHPjQueryMySQLCustom Plugin Development

Technical Expertise

A comprehensive skill set developed over 9+ years of professional experience, spanning from backend architecture to AI integration and everything in between.

Backend Technologies

TypeScriptPythonJavaScriptC#GoJavaNode.jsFlask.NET CoreExpress.jsPostgreSQLMySQLMongoDBRedisSQLiteGraphQLREST APIsServerlessMicroservices

Frontend Technologies

ReactNext.jsAstroAngularReact NativeApollo ClientRemixMaterial-UIChakra UITailwind CSSReduxTypeScriptWebpackViteTurbo

Cloud & DevOps

AWS LambdaAWS RDSAWS S3DynamoDBCloudFormationGoogle CloudDockerDocker ComposeVercelFly.ioServerless FrameworkPrisma ORMGitGitHub Actions

AI & Machine Learning

Google AI SDK (Gemini)OpenAI APIsAWS AI ServicesVector databases (pgvector)Semantic searchContent generationMulti-language translationContent safety validationPrompt EngineeringLLM Integration

Integration & APIs

Shopify APIWooCommerceSalesforce Commerce CloudStripePayoneerInstagram APITikTok APIFacebook APIKlaviyoBrazeMailchimpSendGrid

Architecture & Patterns

Event-driven systemsSOLID PrinciplesClean ArchitectureDomain-driven DesignTest-driven DevelopmentContinuous IntegrationAgile MethodologiesCode ReviewTechnical LeadershipMentoring

Continuous Learning

25+ professional certifications across cloud platforms, AI/ML, and modern development practices. Always staying current with the latest technologies and best practices.

AWS CertifiedFrontend Masters GraduateAI/ML CertifiedCommunity Leader

Featured Projects

A showcase of innovative software solutions ranging from enterprise platforms to AI-powered applications and open-source contributions.

Featured

ShipEase Commerce Platform

Founder & Lead Developer

Comprehensive shipping and fulfillment management platform integrating with e-commerce platforms for automated order processing.

Key Highlights:

TurboRepo monorepo with microservices architecture
Hasura GraphQL engine with 47+ database tables and real-time subscriptions
Google Maps API integration for distance-based shipping calculations

Technologies:

RemixShopify APIHasura GraphQLPostgreSQLGoDocker

+2 more

Featured

Guanacaste Lots For Sale

Lead Developer

AI-powered real estate platform for Costa Rica properties with advanced semantic search and multi-language support.

Key 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

Technologies:

Next.js 15TypeScriptPostgreSQLPrismaMaterial-UIGoogle Cloud APIs

+1 more

Astro WordPress Starter

Open Source Project

Modern headless WordPress starter demonstrating best practices for performance-optimized content sites.

Key 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

Technologies:

Astro 4.xTypeScriptWordPressWPGraphQLApollo ClientDocker

LinkedIn MCP Server

AI Integration Project

Comprehensive LinkedIn Model Context Protocol server enabling AI assistants to interact with LinkedIn's API.

Key Highlights:

Full LinkedIn OAuth 2.0 authentication flow with token management
FastMCP server implementation for Claude AI integration
120+ LinkedIn Pages Data Portability API endpoints coverage

Technologies:

PythonFastAPISQLAlchemyauthlibFastMCPLinkedIn API
Featured

LoudCrowd Enterprise Platform

Senior Software Engineer

Mission-critical enterprise serverless platform processing millions of e-commerce events and transactions daily.

Key Highlights:

Impact Affiliate Network integration with 45+ days historical data processing
Creator/Ambassador platform with dynamic tracking and analytics
Advanced database optimization and intelligent product sorting

Technologies:

Python FlaskReact/TypeScriptApollo GraphQLPostgreSQLAWS LambdaAWS RDS

Open Source Contributions

Active contributor to the developer community with multiple open-source projects and 10+ years of leadership in Costa Rica's JavaScript ecosystem (CostaRicaJS).

Download My CV

Get a comprehensive overview of my experience, skills, and achievements in a downloadable PDF format.

Ronny Freites - CV

Senior Software Engineer Resume

PDF format • Updated regularly • Professional layout

Let's Work Together

I'm always interested in discussing new opportunities, innovative projects, and ways to contribute to meaningful software solutions. Let's connect!

Get In Touch

Email

Contact via LinkedIn

Location

Costa Rica (Remote)

Experience

9+ Years

Connect With Me

Open to Opportunities

Currently open to senior software engineering roles, technical leadership positions, and consulting opportunities.

What I Bring to Your Team

Technical Excellence

9+ years of enterprise experience with modern technologies

Leadership

Proven track record of leading teams and mentoring developers

Innovation

Always exploring cutting-edge solutions and best practices