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Systems Engineer and Full Stack Developer.

I’m Arsenio. I build complete digital products — from architecture to deployment. In over 7 years I’ve taken business ideas to production: e-commerce with real payments, real-time access control systems, and internal tools that replace manual processes.

What I do

Products & Platforms

  • Complete web applications (SPA / SSR)
  • E-commerce with payment gateways
  • Real-time systems (monitoring, chat, notifications)
  • CRMs and internal tools
  • MVPs ready to validate fast

Architecture & Quality

  • API design (REST / GraphQL)
  • Hexagonal architecture / DDD
  • Automated testing (unit, e2e, integration)
  • CI/CD and continuous deployment
  • Observability (logging, error tracking, metrics)

Tech stack

JavaScript/TypeScript · React/Next.js · Node.js · Ruby on Rails · PHP/Laravel · PostgreSQL · Redis · Docker · AWS/GCP · Firebase · WebSockets · WebRTC · Git · GitHub Actions

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Work

  1. C
    Company
    Comunidad Feliz
    Role
    Software Engineer
    Date
  2. A
    Company
    Alseco
    Role
    Full Stack Developer
    Date
  3. P
    Company
    PeopleWork
    Role
    Full Stack Developer
    Date
  4. C
    Company
    Centribal
    Role
    Full Stack Developer
    Date
  5. C
    Company
    Celcom SMS
    Role
    Full Stack Developer
    Date
  6. G
    Company
    GPS Position
    Role
    Web Developer
    Date
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