Gerardo Rafael Bonilla Saz

Available to hire

Hi, I’m Gerardo Rafael Bonilla Saz, a Fullstack JavaScript developer with over two years of experience. I specialize in crafting efficient, user-friendly software solutions using Node.js and ReactJS.

About

Hi, I’m Gerardo Rafael Bonilla Saz, a Fullstack JavaScript developer with over two years of experience. I specialize in crafting efficient, user-friendly software solutions using Node.js and ReactJS. I’m passionate about turning complex problems into practical, impactful web applications.

I currently work at INTERSYS in San Salvador, where I design innovative JavaScript-based solutions and enhance legacy ERP systems. Previously, I worked as a Student Web Developer at Colegio Don Bosco, where I improved operational efficiencies by digitizing workflows and managing secure server deployments. I love building software that makes a real difference!

  • 1 year's experience
  • Joined June 2025

Languages

  • Spanish; CastilianFluent
  • EnglishIntermediate

Industry experience

  • Software & Internet
  • Education
  • Professional Services

More experts in Ilopango, El Salvador

Work experience

Web Developer · INTERSYSSep 2024 – Jun 2025 · 10 mos

Design and implement innovative solutions using the JavaScript ecosystem to enhance user experience and improve application efficiency, adapting them to the specific requirements of different companies. Integrate and develop extensions for a legacy ERP system, implementing additional features to expand its functionality and improve performance.

Student Web Developer · Colegio Don BoscoJul 2023 – Sep 2024 · 1 yr 3 mos

Develop web applications using the JavaScript ecosystem to digitize and streamline processes, improving operational efficiency by transforming physical workflows into intuitive digital solutions. Manage and optimize servers, deploying applications in Nginx environments and configuring HTTPS certificates to ensure the security, availability, and performance of services. Improved the efficiency of CREAJ test evaluations by reducing the time from 10 minutes to 1 minute or less by conducting evaluations digitally through a web system.

Hire Gerardo Rafael Bonilla Saz today

Post a job and invite Gerardo, or contact them directly. No hidden commission.

Post a job