Guatemala 🇬🇹 · Open to opportunities

Building products,
not just websites.

Full Stack Developer building React SPAs, REST APIs, and complete web applications — from architecture and Docker setup to production deployment.

3+
Projects
2+
Years
13+
Technologies

Background

Experience & Education

Work

Software Engineer

Jan 2026 — Present

SkIoT

  • Building and maintaining software solutions for IoT infrastructure.
  • Developing full-stack features across web applications.
  • Collaborating in cross-functional engineering teams.

IT Support Intern

Aug 2023 — Oct 2023

Corporación T — Banco Industrial

  • Performed preventive maintenance on computer systems to minimize failures.
  • Configured new workstations with corporate software and optimized initial performance.
Education

CS & IT Engineering

2024 — 2029

Universidad del Valle de Guatemala

Industrial Bachillerato · Computer Science

2018 — 2023

Instituto Emiliani Somascos

Soft Skills

ProactivityLeadershipTeam CollaborationSelf-learningEnglish B1

Featured Work

Projects I've built

Real applications built in teams and solo — from hackathons to production systems.

waterway.app
Live · Motagua River
Copernicus x SENACYT
Water Level
4.2m
+0.3m
Flow Rate
12.4 m³/s
normal
Turbidity
18 NTU
clear
Water level — 24h

WaterWay+

1st Place

Hackathon · Copernicus x SENACYT · 🏆 1st Place

Copernicus x SENACYT
Award

Real-time web monitoring system for the Motagua River basin. Built the admin interface in React with live sensor data from a REST API, enabling visualisation of environmental metrics at scale.

ReactREST APIMongoDBNode.js
React · REST API · MongoDBGitHub
chemiq.app
Dashboard
Members
Inventory
Events
Reports
Inventory — CHEMIQ
UVG
HCl 35%
Reagent
12 u
NaOH
Base
8 u
Ethanol
Solvent
24 u
H₂SO₄
Acid
6 u

CHEMIQ

Deployed

Management System · UVG Chemistry Association

Architecture + Backend
Role

Full-stack management platform for the UVG chemistry association. Co-designed the architecture, built REST API endpoints with Node.js + PostgreSQL, and led the database migration to MongoDB for better scalability.

ReactNode.jsREST APIPostgreSQLMongoDB
Node.js · REST API · PostgreSQL → MongoDBGitHub
spotter.app
Gym Partner Matches
Neo4j Graph
A
Alex M.
Push · Pull · Legs
94%
match
S
Sofia R.
HIIT · Strength
88%
match
D
Diego V.
Powerlifting
76%
match

Spotter

Deployed

Web App · Exercise Recommendation + Gym Matching

Graph DB · Neo4j
Tech

Graph-powered app that recommends exercises and matches gym partners via Neo4j relationships. Designed and built the full REST API with Node.js + Express, co-led frontend architecture with React and Next.js.

ReactNext.jsNode.jsExpressNeo4jREST API
Node.js · Express · REST API · Neo4jGitHub

Technology

My stack

The tools I use to build full-stack products — chosen for reliability, performance, and developer experience.

Frontend
React
Next.js
~
Tailwind CSS
</>
HTML5 / CSS3
Backend
Node.js
Ex
Express
🔑
JWT
OAuth2
Database
🐘
PostgreSQL
🍃
MongoDB
Neo4j
Languages
JS
JavaScript
🐍
Python
SQL
{}
C# / Java

Always learning

Currently studying CS at UVG — continuously expanding the stack.

TypeScriptDockerGit

Credentials

Certifications

Courses and credentials that back up the skills.

🎓
2024

Your Certification Name

Platform / Issuer

📜
2024

Your Certification Name

Platform / Issuer

2023

Your Certification Name

Platform / Issuer

🏆
2023

Your Certification Name

Platform / Issuer

Always learning — continuously expanding knowledge.

By the numbers

The impact

0+
Projects Built
Real applications shipped
0+
Years in Dev
Full-stack development
0+
Technologies
Languages, frameworks & DBs
0st
Hackathon Win
Copernicus x SENACYT

Currently available for freelance, contract, and full-time opportunities.

Contact

Let's build something

Have a project in mind? Let's talk. I'm available for freelance, contract, and full-time opportunities.

jonathan@portfolio — bash
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║ Jonathan Tubac — Portfolio ║
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