Simera Professional Key (SPK)

Fernando U

Mexico

Full Stack Developer

$ 2,500/month

1 yr exp

Software engineer with production experience on a multi-tenant SaaS platform for transportation and tax compliance. Daily Linux user, comfortable installing, configuring and troubleshooting my own environment from the command line. Accustomed to detail-heavy work on regulated data, where a single validation error carries legal and financial consequences.

Skills

  • Git
  • JavaScript
  • Linux
  • MySQL
  • PHP
  • Python
  • SQL
  • JavaScript ES6
  • Full Stack Developer
  • Phyton
  • Python/R
  • Python3
  • C/C++
  • Paython
  • MSQL
  • Fullstack developer
  • AI generation
  • REST API Integrations
  • Fullstack Development
  • Full Stack Development
  • Full-Stack Development
  • SOQL
  • Javascript

Fernando U

Mexico

Full Stack Developer

$ 2,500 /month

Part Time: $ 1,950/month

1 yr exp

Software engineer with production experience on a multi-tenant SaaS platform for transportation and tax compliance. Daily Linux user, comfortable installing, configuring and troubleshooting my own environment from the command line. Accustomed to detail-heavy work on regulated data, where a single validation error carries legal and financial consequences.

Skills

  • Git
  • JavaScript
  • Linux
  • MySQL
  • PHP
  • Python
  • SQL
  • JavaScript ES6
  • Full Stack Developer
  • Phyton
  • Python/R
  • Python3
  • C/C++
  • Paython
  • MSQL
  • Fullstack developer
  • AI generation
  • REST API Integrations
  • Fullstack Development
  • Full Stack Development
  • Full-Stack Development
  • SOQL
  • Javascript

Full Stack Developer

Multi-tenant transportation management SaaS
January 2026 - present

Sole author of the supplier digital records subsystem: document upload, OCR extraction, automatic classification, and cross-validation against government-issued tax certificates, national ID, and proof of address, with expiry control. Built the XML importer for processing Mexican electronic invoices (CFDI 4.0). Implemented fiscal and business validation rules for CFDI 4.0, Carta Porte freight documentation, and payment complements. Developed billing, local trip management, and PDF reporting modules. Bulk Excel import with catalog validation for drivers, trucks, and trailers. Maintained a legacy codebase of 5,000+ files.

Smart Scores

Communication
54
Role Fit
100
Adaptability
54
Problem-solving
62

Smart Skills

beta