JA
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Jaime Arroyo. Built with Next.js and Rails.

v0.1.1 (API v0.1.1)

Software developer & technical lead

Hi, I'm Jaime Arroyo

Over 14 years building web platforms, leading teams and modernizing stacks. Ruby on Rails, Vue.js, Node.js, cloud infrastructure and AI-assisted delivery.

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Experience

  1. May 2024 – Present

    Technical Expert Specialist · NTT DATA

    • Developer and technical lead for the Moverick mobility platform.
    • Built features end to end: Ruby on Rails REST API and Vue.js front-end.
    • Led stack modernization from Rails 6 to 8 and Ruby 2.7 to 3.4, including dependency upgrades and tech debt removal.
    • Take part in architecture decisions for scalability, maintainability and quality.
    • Main technical contact for the team; diagnose production errors, deployments and security issues.
    • Integrated AI-assisted development (BMAD Method with Claude, Codex and GitHub Copilot).
  2. Apr 2021 – May 2024

    Infrastructure Specialist · Ilógica

    • Infrastructure monitoring with Datadog and Elastic (ELK), with proactive alerting.
    • Deployment automation and environment provisioning.
    • Internal tools supporting development and application support.
    • Disaster Recovery Plans (DRPs).
  3. Jul 2018 – Apr 2021

    IT Technical Lead · Ilógica

    • Led the development team, unblocking developers and sharing knowledge.
    • Introduced processes and tools that improved the development workflow.
    • Hands-on work with Rails, Node.js, Sails, Laravel, native iOS/Android apps and GCP/AWS.
  4. Apr 2012 – Apr 2021

    Web Developer · Ilógica

    • Application development with Ruby on Rails and Node.js.
    • Websites with WordPress and WooCommerce.
    • Server infrastructure management on GCP and AWS.

Projects

Transportation & mobility

Moverick

Platform and mobile app for integrated management of public transport and urban and intercity mobility. Developed at Everis (now NTT DATA).

Ruby on RailsVue.jsMobile

Social network / intranet

BEME al día

Social network with posts, comments, reactions, profiles, notifications, galleries and video. Also built and maintained the REST API for native mobile apps.

Ruby on RailsREST API

Industrial information

SQM Salar en Línea

Rails app that pulls station data from an API, runs calculations, triggers alerts and forwards results to other services, plus a Laravel app I supported and extended.

Ruby on RailsLaravel
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Customer portal

Kaufmann Virtual Advisor

Portal for customers of maintenance services: vehicle details, documents, active contracts and certificate generation integrated with Kaufmann services.

Ruby on Rails

Skills

Ruby on RailsVue.jsNode.jsPHP/LaravelWordPressGCPAWSKubernetesDatadog/ELKAI-assisted development

Languages

Spanish (native) · English

Contact

Open to conversations about software development, technical leadership and modernization projects.

  • Ñuñoa, Santiago, Chile
  • [email protected]
  • +56 9 6835 4941
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Environmental monitoring

WSP Caimanes Monitoring

Took over and improved a water-quality platform: Node.js/Express API ingesting FTP files, Vue front-end, and a Rails app generating alerts and regulatory reports for the SMA.

Node.jsExpressVue.jsRuby on Rails
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Public website & traffic data

Transporte Informa / UOCT

WordPress site with a Node.js API on top of a data extractor that talks to a traffic control system over Telnet and stores parsed results.

WordPressNode.jsRuby on Rails
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Gamification

Tesoro LATAM Pass

Infrastructure on Kubernetes for a Next.js front-end and Strapi CMS backend, on Google Cloud with Filestore and managed MySQL.

Next.jsStrapiKubernetesGCP
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Clinical test requests

Merck RAS

Lets doctors submit RAS test requests across several user roles. Chile version (Angular, Sails.js, native apps) and regional version (Angular, Rails API, React Native).

AngularRuby on RailsReact Native
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