Julian Santiago Villalon Cardenas
@juliansantiagovillal
I build full-stack platforms that streamline logistics, institutional systems, and operational workflows.
MexicoWhat I'm looking for
At Transportes Rendon, I built a unified TMS, ERP, and IMS platform with Next.js, NestJS, and PostgreSQL, replacing Excel and WhatsApp records and cutting manual entry time from six to two hours per week.
I've also standardized institutional interfaces at the State Attorney General of Querétaro and resolved network issues for ISP clients. I build web, mobile, infrastructure, and embedded projects using tools including Angular, FastAPI, React Native, Linux, ESP32, and PostgreSQL.
Experience
Work history, roles, and key accomplishments
Full Stack Developer
Transportes Rendon
Feb 2026 - Aug 2026 (6 months)
Designed and developed a monolithic platform (TMS, ERP, and IMS) using Next.js, NestJS, and PostgreSQL on a Linux VPS, consolidating operational workflows and reducing manual data entry time from 6 to 2 hours per week and cutting errors by 50%.
System Analyst
State Attorney General of Querétaro
Sep 2025 - Dec 2025 (3 months)
Designed and implemented reusable components using Angular and TailwindCSS for institutional systems, standardizing the visual interface, reducing code duplication by 40%, and cutting delivery time for new interfaces from three days to one.
Maintenance Technician & Help Desk
GYBO (ISP & IT Solutions)
Jun 2024 - Jun 2025 (1 year)
Managed technical support and network issue resolution for internal and external clients, resolving an average of 20 tickets per week while maintaining 95% SLA compliance and performing preventive and corrective infrastructure maintenance.
Education
Degrees, certifications, and relevant coursework
Polytechnic University of Querétaro
Bachelor of Engineering, Computer Systems Engineering
2023 -
Pursuing a degree in Computer Systems Engineering at the Polytechnic University of Querétaro, with studies ongoing since September 2023.
Tech stack
Software and tools used professionally
Availability
Location
MexicoAuthorized to work in
Salary expectations
Job categories
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