Juan Jose Tellez

Freelance (Full Stack Developer)

Perfil profesional

Industrial Engineer and Full Stack Developer with 2 years of experience in project management and web development . Specialized in backend/frontend , database management , and delivering solutions for public institutions . Professional level of English

Experiencia laboral

Full Stack Developer

freelance (own projects) | Enero 2023 - Actualmente (3 años 10 meses)

Habilidades utilizadas

Created projects like Grinding Coffee (e-commerce), Mercado Liebre (marketplace clone), Expresify (full stack app), and JappWorkout (ReactJS).

Logro principal

Developed e-commerce and web apps using JavaScript, Express, Node.js, MySQL, ReactJS, and JSON.

Web Developer And Database Manager With Mysql

quindio department government | Enero 2024 - Junio 2025 (1 año 5 meses)

Habilidades utilizadas

Managed data for Medical Billing, developed APIs and interfaces per Resolution 2335/2023, reconciled SISPRO and billing databases, maintained Governor’s Office website.

Logro principal

Led data cross-referencing and management for Medical Billing, developed backend APIs and frontend interfaces, ensured database accuracy using MySQL, improved official website functionalities.

Web Developer

mayor's office | Junio 2023 - Diciembre 2023 (6 meses)

Habilidades utilizadas

Improved mayor’s office website functionality and security, implemented data validation, designed efficient interfaces, increased user process efficiency.

Logro principal

Enhanced website security with robust data validation, improved user interface and experience, streamlined user processes for efficiency.

Formación académica

Industrial Engineer
Alexander von humboldt university | Profesional

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