Hi, I'm Jhonatan.
I'm
I build web apps, robust systems, and efficient digital tools with a focus on reliability, performance, and clean code.
About Me.
I'm Jhonatan, a software developer and Systems Engineering student at the Universidad Nacional de San Agustín (UNSA) in Arequipa. I specialize in turning complex ideas into intuitive, fast, and scalable digital experiences.
My technical focus is complemented by a strong interest in UI/UX design, ensuring every application not only has impeccable code but also feels great to use.
My Tech Arsenal
Lenguajes de Programación
JavaScript
TypeScript
Python
Java
C++
C#
SQL
Perl
Shell
PHPFrontend & Mobile
React
Next.js
React Native
HTML5
CSS3
Tailwind
Sass
Flutter
ExpoBackend & Frameworks
Node.js
NestJS
Django
PostgreSQL
Supabase
LaravelHerramientas & OS
Git
Docker
npm
Postman
Ubuntu
Arch Linux
Neovim
VimDiseño & Otros
Figma
Illustrator
Affinity
Premiere
LaTeXJourney.
My professional path, academic achievements, and collaborative experience.
Software Developer
ACRU (Mexico) | Misioneros Digitales
Built internal systems for the organization. Delivered custom digital solutions, including bespoke WordPress plugins.
LaravelPHPFlutterFreelance Developer
Management System 'Brigadapp'
Created and sold 'Brigadapp', a full management system for an educational institution. Managed 50 prefects and incident reports, eliminating paper usage entirely.
TypeScriptSupabaseNext.jsSoftware Developer
IELP (Lutheran Church - Peru)
Led the organization's digital transformation. Built an interactive landing page for the national youth camp (Radical) and shipped a hymnal mobile app now in production.
PostgreSQLNext.jsReact NativeExpoTraining Camp Argentina 2025
High-Performance Training | UTN Santa Fe
Joined a two-week immersive camp with top competitive programmers in LATAM at UTN. Sharpened graph theory, dynamic programming, and advanced algorithms.
C++Python
PeruHub Hackathon
Participant Developer | Unity Peru (Lima)
Participated in Unity Peru's tech event, building innovative solutions alongside talented teams nationwide.
InnovaSur Hackathon
Creator of 'Ayni' Project | UCSP
Led the creation of 'Ayni' representing UNSA, a platform to improve access to health monitoring in vulnerable areas without nearby medical centers.
Tailwind CSSTypeScriptFigma
Active Member & Developer
CEIS, IEEE & ACM Student Chapters
Active member of CEIS and IEEE/ACM student chapters, contributing to technical growth and community organization.
Freelance Developer
Attendance System 'Educheck'
Built and commercially sold 'Educheck', an intelligent attendance and automated parent notification system. Awarded at the Eureka science fair.
SupabaseNext.js
Tech Certifications: Cloud & DB
Google Cloud Foundations & Oracle APEX
Earned international credentials in cloud infrastructure fundamentals (GCP) and rapid enterprise app development with Oracle APEX.
Competitive Programming (RPC & IEEEXtreme)
Top 5 Peru | Top 20 Latam
Competed at the highest level in RPC and 24-hour marathons (IEEEXtreme). Excelled in algorithmic optimization under pressure, placing among the best in the region.
C++PythonAutomation and Data Scripting
Municipality of Cabana | INDECI System
Developed advanced scripts to automate and process critical data for the INDECI system, reducing manual effort from two months to just three days.
PythonSTEM Mentor & Educational Volunteer
College of Engineers of Peru
Led Python mentorship sessions for teenagers, culminating in organizing a competitive programming contest to foster young tech talent.
Python
Universidad Nacional de San Agustín (UNSA)
Systems Engineering
Pursuing a rigorous academic formation with focus on software architecture, data engineering, mathematical analysis, and complex system design patterns.
Other Interesting Projects.
Ingresa.pe
B2C EdTech startup in development focused on UNSA applicants. Offers past exam question banks with a Duolingo-like gamified experience and high-converting UI/UX. Scalable model replicable nationwide.
Radical Camp 2025
Official platform for the IELP national youth camp. Online registration with Yape payments and a TikTok-style social feed for sharing event media. SEO optimized.
EduCheck
End-to-end attendance system for the 'Fe y Ciencia' school. QR automation generates punctuality reports and sends instant in/out notifications to parents via WhatsApp Web.
Other Interesting Projects
WaOS Simulator
Advanced educational software to simulate Operating Systems. Visualizes scheduling algorithms (Round Robin, FIFO, etc.) and memory management (Paging, Segmentation) with real-time Gantt charts and memory maps. Built in C++ with Qt.
Knowledge Wardens
AI-powered educational web RPG (Vercel SDK). Players learn programming fundamentals in a fantasy world, solving dynamically generated challenges. Hackathon winner.
TeToca
B2B SaaS for smart virtual queue management. Helps venues reduce physical crowds through digital ticketing and optimized service. Software Engineering capstone project.
IHC HeadControl
Accessibility system that lets users control the mouse cursor with facial gestures and head movements. Designed for motor-impaired users, inspired by assistive tech like ACAT.
CoderDojo Platform
Gamified learning platform for teaching programming to kids (IEEE Student Chapter). Includes interactive modules and typing games with child-friendly UX/UI.
Himnario Adonai
PWA web app providing offline access to Christian hymns with instant search and optimized local database. Migrated to Next.js for top performance on mobile.
What's next?
Let's Work Together.
I'm currently open to new roles and freelance projects. Whether you have a question or just want to say hi, I'll do my best to reply soon.
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Tell me about your project, ideas, or question...
Jhonatan Arias
Thanks for reaching out. I'll get back to you soon.