Johnathan Guzman
Software Developer

Johnathan Guzman

Skilled in Ruby on Rails and Full-Stack Development.
Work with Johnathan Work with a Software Developer

About

Jonathan Guzman is an experienced software engineer with five years of extensive experience in web development using Ruby on Rails and Full-Stack. He is also knowledgeable with React, Redux, Material UI, Node.js, HTML/CSS, and Express.js., and has built websites, platforms, and applications using these tools.

Employment

6 roles
Feb 2022 - Present 4 years 3 months
Software Engineer
Big Nerd Ranch
  • Performed application development for the full lifecycle of software. 
  • Identified and assessed new technologies prior to implementation.
  • Performed maintenance and software integrations for existing systems. 
  • Analyzed user requirements, software, and code, and completed systems risk and reliability analysis.
Aug 2021 - Feb 2022 6 months
Software Engineer - Ruby on Rails
Ecolane
  • Contributed to the updates of systems running on older versions of Ruby on Rails to recent versions.
  • Worked with apps running on Docker servers where the DB environment needs to be different to access certain data.
  • Participated in daily scrum meetings and used Jira for project management.
  • Made UI updates for many transit applications built using Ruby on Rails MVC.
  • Helped with the Java side of things by working together with other developers on backend tickets.
Mar 2021 - Oct 2021 7 months
Web Developer
Preferred Risk Insurance Services
  • Contributed to the development and deployment of a cloud-based application that helped the company generate online income by allowing users to purchase insurance through the web. Technologies used: Docker, Kubernetes, Rails, gRPC, and React.
  • Developed a robust email service in .NET that allows for custom email sending using SendGrid as an email delivery service or using Microsoft Exchange to send SMTP emails.
  • Provided support in maintaining legacy applications running on legacy .NET and older versions of jQuery.
  • Quickly adapted to a shifting technology atmosphere.
Oct 2020 - Dec 2020 2 months
Software Engineer
Hungr
  • Responsible for building and maintaining the frontend UI of home and login/signup screens of the web app built with React/Redux.
  • Collaborated with the project manager, designers, and other in-house developers when building out the main project.
  • Established and analyzed frontend architecture using React and context API.
  • Built login system using Node.js, Express.js and Auth0.
  • Engaged in weekly sprints.
Jan 2019 - Feb 2020 1 year 1 month
Fullstack Software Engineer
Zenyx LLC
  • Responsible for creating and maintaining web apps built with React, Redux, Material UI, Node.js and Express.js such as point-of-sale APIs, inventory systems and in-app communication channels.
  • Digitally modernized certain business aspects of existing clientele by contributing to the design and development of payment processing systems and services using Node.js and Express.js as the backend.
  • Maintained a collection of client applications running on Node.js., such as ecommerce stores using stripe API for payments, dropshipping management tools and CRM systems.
  • Collaborated on building supermarket applications which handled POS and inventory features using the MERN stack and stripe for online payment processing.
Jun 2017 - Dec 2018 1 year 6 months
Frontend Developer
Kreate
  • Increased business revenue by building a CRM portal for multiple clients using HTML, CSS, and jQuery for the frontend and Ruby on Rails for the backend.
  • Streamlined invoice generation and project scope development by building a communication tool that allowed users of both parties to be synchronized across all project phases using Ruby on Rails MVC architecture.
  • Aided in the development of an automatic email campaign software using HTML, CSS, and Ruby on Rails.
  • Collaborated on designing and developing landing pages using bootstrap for the frontend and Ruby on Rails for the backend to manage user-submitted data.
  • Helped build a dental office dashboard using Bootstrap, JavaScript, and React where all dental personnel manages appointments, inventory, educational and training videos for staff, and a management system for client dental data.

Education

Mar 2020 - Jul 2020 4 months
Full Stack Web Development, Rails, React/Redux Stack, -
Flatiron School
Sep 2018 - Sep 2019 1 year
Associate of Science, Computer Science
Wilbur Wright College

Portfolio

11 items