JhonTajumbina — Software Engineer & Media Buyer / Pitcher de Marketing
ABOUT ME
Jhon
Tajumbina — Software Engineer & Digital Trafficker Ads
I'm Jhon Tajumbina, a Systems Engineer from Colombia. I build digital products that solve real problems—mobile apps, websites, and custom systems—always with clean interfaces and a smooth user experience. I'm currently focused on digital marketing as a trafficker, managing Meta Ads campaigns to turn attention into concrete results for clients.
Available for new projects
SELECTED WORKS
Portfolio
Projects, certifications, and technical stack focused on real-world products.
InventoryManager
Comprehensive inventory management system designed for Universidad Mariana laboratories. Built with Laravel and Filament, it provides efficient control over equipment, resources, bookings, and loans with role-based access control, Google authentication via institutional email, and detailed reporting. This project allowed us to represent the university nationally in research seedbeds.
ICU Registry
Flutter application developed for the intensive care unit (ICU) of the Hospital Departamental Universitario de Nariño, focused mainly on the ICU nursing flowsheet. It enables patient registration and management with secure Firebase authentication, helping medical staff with a fast, simple interface.
BSPWM Dotfiles
Automated script for Debian-based distros that installs BSPWM the easy way: BSPWM, Polybar, Picom, Kitty, Rofi, Zsh + Powerlevel10k, custom scripts, wallpapers and Nerd Fonts with a Pacman/arcade theme.
Professional Journey
Timeline of education, academic representation, and hands-on experience.
Started at Universidad Mariana
Started Systems Engineering at Universidad Mariana, focused on building strong foundations in software and networking.
Freelance stage
While studying on my own, I did freelance work for small businesses that needed a website. Several were friends or family, so sometimes I didn't even charge them.
Hospital internship as Flutter developer
Built a nursing app with Flutter to support clinical processes and operational workflows for healthcare teams.
Departmental Research Seedbed Meeting
Presentation of the thesis 'Information System for Laboratory Management at Universidad Mariana' at the Departmental Research Seedbed Meeting.
Departmental Research Seedbed Meeting
Second presentation of the thesis 'Information System for Laboratory Management at Universidad Mariana' at the Departmental Research Seedbed Meeting.
Credit assistant at Cofinal
Worked in the credit area, supporting administrative and financial processes. I also helped colleagues with technical issues, Excel support, and optimization of daily tasks.
Systems Engineering degree
Received my university degree as a Systems Engineer, closing my academic cycle with a focus on full-stack development and applied experience in real projects.
Marketing pitcher with Meta Ads at Valencia One
Joined Valencia One as a marketing pitcher, managing Meta Ads campaigns (Facebook and Instagram) to drive client growth and results.
ACCREDITATIONS
Certifications
Platzi
Software Engineering Fundamentals
Platzi
Algorithms and Flowcharts
Platzi
Data Handling, Structures and Functions
Platzi
Prompt Engineering with ChatGPT
CAPABILITIES
Skills
Languages
Frontend
Backend
Mobile
Tools
Digital Marketing
CONTACT
Contact
Have a project in mind? Write to me and I'll get back to you soon.
Or write to me directly at jhonse.tajumbina@gmail.com