LUIS SANDRIES

Technical Skills

A practical stack for building applications, investigating failures, automating repetitive work, and explaining systems clearly to technical and nontechnical users.

Strongest working languages

  • Python
  • JavaScript / TypeScript
  • SQL
  • Java

Software development

Application logic, browser interfaces, APIs, and object-oriented programming.

  • Python
  • JavaScript
  • TypeScript
  • Java
  • PHP
  • HTML
  • CSS
  • REST APIs
  • Next.js
  • React

Data and databases

Relational modeling, query work, data cleanup, and usable interfaces over messy source data.

  • SQL
  • MySQL
  • SQLite
  • Microsoft Access
  • Database design
  • Normalization
  • ER modeling
  • Data validation

Automation and enterprise systems

Workflow analysis and repeatable improvements that reduce manual effort without losing auditability.

  • Excel VBA
  • KNIME
  • SAP FI
  • SAP SCM
  • Excel
  • Process automation
  • SOPs
  • Reporting

Cloud, support, and delivery

Deploying browser-based tools, supporting users, and documenting the path from issue to resolution.

  • AWS Cloud Developing
  • Microsoft Azure
  • Google Cloud
  • Git / GitHub
  • Vercel
  • CMS
  • Microsoft 365
  • Technical documentation
  • Bilingual support