LUIS ALEJANDRO ESQUIVEL ROJAS

Bucaramanga

Summary

Full-stack software developer with 1+ year building production systems and strong foundation in modern web technologies. Experienced in React, TypeScript, Python, and Node.js. Passionate about writing clean, maintainable code and collaborating with teams to solve problems. Bilingual (Spanish/English, C1 proficiency). Eager learner actively leveraging AI tools and best practices in development. Seeking full-time role to grow technical skills in a collaborative environment.

Overview

years of professional experience

Certification

Work History

Full-Stack Software Developer & Operations Coordinator

Sweetland by Anny

Bucaramanga

06.2024 - Current

Architected and deployed production full-stack bakery management system: React 18 SPA (Vercel), Python/Flask REST API (Railway), MySQL database, Cloudinary integration. Built with security best practices (RBAC, PBKDF2, SQL parameterization, rate limiting).
Engineered dynamic pricing engine reducing calculation time by 95%, enabling real-time price adjustments based on ingredient costs and operational metrics.
Automated inventory & order management reducing manual work by 90%, with atomic operations and instant WhatsApp notifications.
Built real-time business intelligence dashboard using SQL aggregations for daily/monthly sales tracking, eliminating manual reporting.
Collaborated on system design and deployment, gaining hands-on experience with cloud platforms and DevOps workflows.

Associate Account Manager

Sutherland

01.2023 - 03.2024

Managed customer accounts using Salesforce CRM, handling technical inquiries and maintaining SLA standards.
Developed strong communication skills resolving escalated cases and working cross-functionally.

Education

Tecnología en Investigación Criminal y Ciencias Forenses - undefined

UNAB

05.2026

Skills

Frontend Development: React 18
TypeScript
JavaScript (ES6)
HTML5
CSS3
Responsive design
Mantine UI
Backend Development: Python (Flask/REST APIs)
Nodejs/Express concepts
Database design
SQL (MySQL)
API security
Cloud & Deployment: Vercel
Railway
Git/GitHub
Cloud platforms (GCP)
Bash scripting

Development Practices: Version control
Testing (unit & integration)
Code reviews
Agile methodologies
Clean code principles
Security & Quality: RBAC
SQL injection prevention
CORS hardening
Rate limiting
Error handling
Logging & monitoring
BI & Analytics: Power BI dashboards
Data visualization
SQL aggregations

Websites

github.com/L-Esquivel

Certification

Cisco IT Support Specialist, 2026-04-01
Google AI Professional Certificate, 2026-04-01
Power BI for Beginners: Interactive Dashboard, 2026-05-01
Foundations of Cybersecurity, 2026-05-01
Talento Tech Programming Bootcamp - 370h, Completed
Cisco Junior Cybersecurity Analyst, 2026-09-01, In Progress
Google Cybersecurity Professional Certificate, In Progress
Google Cloud Security Certificate, In Progress

Technical Skills

React 18, TypeScript, JavaScript (ES6+), HTML5, CSS3, Responsive design, Mantine UI, Python (Flask/REST APIs), Node.js/Express concepts, Database design, SQL (MySQL), API security, Vercel, Railway, Git/GitHub, Cloud platforms (GCP), Bash scripting, Version control, Testing (unit & integration), Code reviews, Agile methodologies, Clean code principles, RBAC, SQL injection prevention, CORS hardening, Rate limiting, Error handling, Logging & monitoring, Power BI dashboards, Data visualization, SQL aggregations, Spanish, Native, English, Professional C1

Portfolio Projects

Sweetland by Anny, Production full-stack bakery ERP system (Python/Flask, React 18, MySQL, security-hardened, cloud deployment)
GitHub Profile, github.com/L-Esquivel - Full portfolio of projects demonstrating full-stack capabilities

Open To

Remote, Hybrid, On-site, Junior Full-Stack Development, Backend Development, Eager to contribute to collaborative teams and grow technical expertise.

Personal Information

Availability: Remote, hybrid, or on-site positions in Junior Full-Stack/Backend Development roles.

Timeline