Ricardo Gamarra

I am a Senior Full-Stack Engineer with a passion for building scalable, high-performance applications. With extensive experience in Ruby on Rails, React, and Microservices, I have led technical migrations, optimized high-traffic systems, and mentored engineering teams. Currently focusing on delivering robust solutions for global clients.

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About

Senior Full-Stack Software Engineer with 5+ years of specialized experience in Ruby on Rails and React. Expert in building microservices architectures, optimizing database performance, and implementing comprehensive testing strategies.

Work Experience

QuieroMiTurno

Founder & Lead Developer

Jan 2024 - Presentquieromiturno.com

Founded, architected, and built a multi-tenant booking and management SaaS platform supporting over 200 active beauty salons.
Engineered a high-performance booking system, interactive calendar, and automated WhatsApp client notification system, significantly reducing appointment cancellations.
Developed a comprehensive real-time business intelligence dashboard showcasing billing metrics, services demand, and revenue estimation.

FounderSide Project / SaaSNext.jsReactPostgreSQL

Arionkoder

Full-Stack Software Engineer

Apr 2024 - Presentarionkoder.com

Engineered critical microservices for American Express (ISeatz project), ensuring high availability and processing volume.
Audited and resolved security vulnerabilities across 20+ microservices, establishing higher security and compliance benchmarks.
Designed and built new features leveraging React, Ruby on Rails, and PostgreSQL.

RemoteRuby on RailsReact

LPx

Full-Stack Software Engineer / Tech Leader

Apr 2023 - May 2024

Led a comprehensive technical architecture redesign that reduced system runtime by 25%.
Orchestrated database migration to PostgreSQL, resulting in a 30% query performance acceleration.
Mentored and guided 3 software engineers, fostering agile best practices and clean code standards.

RemoteTech Lead

GOAT

Full-Stack Software Engineer

Jan 2022 - Jun 2023www.goat.com

Deconstructed a legacy Rails monolith, migrating core functionalities into high-performance Golang microservices.
Built robust gRPC-based microservices with strict testing standards, achieving 90% code coverage.
Optimized high-traffic PostgreSQL database queries, reducing response latencies for critical endpoints.

RemoteGolangMicroservices

Learning Tapestry

Full-Stack Software Engineer

Jun 2020 - Jan 2022learningtapestry.com

Delivered 10+ Ruby on Rails MVPs for high-profile EdTech clients including Nickelodeon.
Integrated payment gateways and third-party authentication services seamlessly.
Established RSpec testing standards and automated testing suites across projects.

RemoteEdTech

Troly.io

Full-Stack Software Engineer

May 2019 - Jun 2020troly.io

Implemented Docker containerization for application services, reducing deployment times by 50%.
Resolved critical production bottlenecks and refactored legacy Rails code to improve maintainability.

Start-upDocker

Skills

Languages

RubyTypeScriptGolangJavaScriptSQL

Frameworks & Libraries

Ruby on RailsReactNext.jsNode.js

Databases & APIs

PostgreSQLGraphQLgRPC

DevOps & Tools

DockerAWSTailwind CSSGit

Featured Projects

QuieroMiTurno

Founder and lead developer of a SaaS booking and management platform for beauty salons. Features real-time appointment scheduling, automated WhatsApp reminders, and a business dashboard with advanced revenue analytics, serving 200+ salons.

Next.jsReactTailwind CSSPostgreSQLWhatsApp API

American Express Travel

Engineered critical microservices and architected new booking features for American Express Travel at Arionkoder, using React, Rails, and PostgreSQL.

ReactRuby on RailsPostgreSQL

Noggin

Developed and scaled kid-focused learning platform Noggin, implementing robust parental monitoring and content management tools using Rails and React.

RailsReactVideo Streaming

T3 Innovation Network

Built the drag-and-drop schema converter interface for Web 3.0 RDF mapping tools as part of an open-source project.

Web 3.0Open SourceRDF

Teach Like a Champion

Developed a teacher-training LMS platform supporting complex user roles, custom learning paths, and progress tracking.

EdTechLMS

Get in Touch

I'm currently looking for new opportunities. Whether you have a question or just want to say hi, I'll try my best to get back to you!

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