Summary
Overview
Work History
Education
Skills
Additional Information
Interests
Timeline
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Carlo Lizano

Carlo Lizano

Miami,FL

Summary

Senior Full-Stack Software Engineer with 10+ years of experience designing and maintaining scalable web applications using Ruby on Rails, Node.js, React, and Java Spring Boot. Proven success in building B2B marketplaces, middleware platforms, and e-commerce integration tools (WooCommerce API). Strong background in backend optimization (Redis, Sidekiq), cloud deployment (AWS), and full development lifecycle. Skilled in debugging, system reliability, and cross-functional collaboration. Fluent in English and Spanish. Seeking roles as Ruby on Rails Developer, Full-Stack Engineer, or Support Engineer in remote or international teams.

Overview

15
15
years of professional experience

Work History

Senior Software Engineer

BacklotCars
Montevideo, Uruguay
01.2019 - 09.2024
  • Full-stack developer for a leading B2B vehicle marketplace built with Ruby on Rails, PostgreSQL, Redis, Sidekiq, React, and Node.js.
  • Led development of core marketplace modules, improving operational efficiency by 30%.
  • Optimized background job processing using Redis and Sidekiq, reducing response times for heavy tasks by up to 40%.
  • Designed and maintained RESTful APIs connecting React frontend with Rails backend, ensuring scalability and low coupling.
  • Refactored legacy codebase and implemented TDD practices, increasing test coverage by 25%.
  • Collaborated with product and UX teams to deliver high-impact features that improved user conversion and retention.

Full-Stack Developer

PuntoOk
Miami, FL
03.2024 - 08.2024
  • Developed a custom synchronization tool between e-commerce platforms and WooCommerce via API.
  • Integrated WooCommerce API using Ruby on Rails and PHP, enabling automated sync of products, orders, and inventory.
  • Built a modular architecture allowing future expansion to other marketplaces.
  • Eliminated manual workflows for the client, saving over 15 hours per week in operations.
  • Troubleshot and resolved complex technical issues, maintaining optimal system performance and uptime.

Senior Software Engineer

Greynology
Montevideo, Uruguay
05.2020 - 07.2021
  • Developed a middleware platform to securely consume VISA Services API using Java Spring Boot, React, Node.js, AWS, and Docker.
  • Built secure microservices handling financial transactions compliant with PCI-DSS standards.
  • Deployed containerized services on AWS (EC2, S3, Lambda), reducing infrastructure costs and improving scalability.
  • Worked in Agile (Scrum) environment, delivering weekly sprints with high code quality.

MEAN Stack Professor

Alianza Uruguay
08.2017 - 08.2019
  • Taught full-stack web development using MongoDB, Express.js, Angular, and Node.js.
  • Delivered hands-on courses focused on modern development practices and real-world application architecture.
  • Mentored students through end-to-end project development, from concept to deployment.
  • Promoted problem-solving skills, resulting in high pass rates and student job placements.

Software Engineer

Altimetrik
04.2018 - 01.2019
  • Full-stack developer for enterprise solutions using Salesforce, Apex, Lightning, Java Spring Boot, and Oracle.
  • Developed custom Salesforce apps using Apex and Lightning Components.
  • Built REST APIs with Spring Boot to integrate internal systems with Oracle databases.
  • Automated business processes, reducing manual errors and improving data accuracy.

Software Developer

Arkano Software
07.2017 - 04.2018
  • Built web applications using Node.js, React, C#, .NET, MongoDB, and SQL Server.
  • Contributed across the full development lifecycle: design, coding, testing, and deployment.
  • Developed dynamic UIs with React and scalable backend services with Node.js.
  • Delivered projects for international clients under strict quality and security standards.

Education

Bachelor of Science - Computer Engineering

University of Information Sciences (UCI)
Havana, Cuba
07.2010

Skills

  • Ruby
  • JavaScript (ES6)
  • PHP
  • Java
  • C#
  • SQL
  • Ruby on Rails
  • Nodejs
  • Expressjs
  • Spring Boot
  • NET
  • React
  • Angular
  • PostgreSQL
  • MySQL
  • MongoDB
  • SQL Server
  • Oracle
  • AWS (EC2, S3, Lambda)
  • Docker
  • CI/CD
  • Redis
  • Sidekiq
  • RESTful APIs
  • WooCommerce API
  • VISA Services API
  • Salesforce API
  • Git
  • GitHub
  • Jira
  • Agile/Scrum
  • HTML5
  • CSS3
  • Responsive Design
  • Apex
  • Lightning Web Components
  • Visualforce

Additional Information

Available for remote work globally, Open to relocation (if applicable)

Interests

Reading, Dancing, Investing, Family time, Travel

Timeline

Full-Stack Developer

PuntoOk
03.2024 - 08.2024

Senior Software Engineer

Greynology
05.2020 - 07.2021

Senior Software Engineer

BacklotCars
01.2019 - 09.2024

Software Engineer

Altimetrik
04.2018 - 01.2019

MEAN Stack Professor

Alianza Uruguay
08.2017 - 08.2019

Software Developer

Arkano Software
07.2017 - 04.2018

Bachelor of Science - Computer Engineering

University of Information Sciences (UCI)

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