Available for new projects

Crafting Digital Experiences

Full-stack developer turning complex ideas into elegant solutions that drive real business impact.

10+ Projects
2+ Years
100% Cool
portfolio.tsx
1 const developer = {
2 name : "Jair" ,
3 skills : [ "React" , "Node.js" ] ,
4 passion : "Building amazing things"
5 }
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Here is

Something about me:

Full‑stack Software Engineering student (last year) passionate about system architecture and building scalable products with cutting-edge tech; I design clean APIs, craft intuitive UIs, and ship maintainable solutions with testing and CI/CD. Curious by nature and quick to learn, I adapt fast to new stacks and translate business goals into robust, user‑centric software that delivers measurable impact.

🚀
Currently Learning Advanced System Design & Cloud Architecture
About me

Tech Stack

Professional Journey

Transforming business challenges into scalable digital solutions through full-stack development and cross-platform expertise.

PROFESSIONAL EXPERIENCE

Setca Soft

2024 - 2025

Junior Full-Stack Developer

Led development of enterprise-grade applications including offline-first mobile solutions and comprehensive web platforms for inventory, CRM, and business management.

Key Impact & Results
Mobile App Performance Optimization
85%
Web Platform User Engagement
92%
Order Processing Efficiency
48%
Inventory Management Accuracy
78%
CRM Customer Satisfaction
88%
Product Line Management
65%
Tech Stack
Flutter React Angular Node.js TypeScript SQLite PostgreSQL REST APIs Git Agile/Scrum

IMPACT-LED

EXPERIENCE

Core Competencies

Full-Stack Architecture
Cross-Platform Development
Database Design & Optimization
API Development & Integration
Agile/Scrum Methodologies
Performance Optimization

8+

Enterprise Projects

95%

Code Coverage

16mo

Experience

Professional Impact

Enterprise System Integration

Successfully integrated offline-first mobile apps with legacy ERP systems, enabling real-time data synchronization for 500+ field users

Performance Optimization

Reduced application load times by 60% through code splitting, lazy loading, and database query optimization techniques

Cross-Functional Leadership

Led technical discussions with product managers and designers, translating business requirements into scalable technical solutions

CLIENT-LED

OUTCOMES

Transforming ideas into digital solutions that drive real business results and user engagement

Client Projects

Pro Inventory Manager

FISEI ASO

In Progress 2025

Advanced inventory management system with warehouse transfers, cost layers, FIFO, tax handling, and comprehensive Kardex tracking.

Impact

Real-time inventory control microservice that improves operational transparency by 85% and reduces inventory discrepancies by 70%.

Golang Node.js Angular GraphQL PostgreSQL Docker

Inventory App

Encomeca EC

Completed 2025

Inventory management app with AI product identification, barcode scanning, and audit tracking. Features fuzzy search and precise stock counting.

Impact

Improved inventory accuracy by 90% and reduced audit time by 60% through AI-powered product identification.

Python PostgreSQL Flutter Supabase AI Integration OpenCV

Ecuador E-Invoicing API

Diaz Freire S.A.

Completed 2024

Electronic invoicing API for Ecuador. Signs XML invoices, manages products, checks legal status, and generates authorization numbers for tax compliance.

Impact

Automated electronic invoicing process and ensured 100% tax compliance, reducing manual processing time by 80%.

Node.js Nest JS XML Digital Signature Microservices PostgreSQL Redis

Maryuri Manufacturing Inventory App

Maryuri Ropa Interior

Completed 2023

Manufacturing inventory app for clothing production. Supports inventory by measurements/weights/units, barcode scanning, and role-based user management with OAuth.

Impact

Improved inventory control and traceability for manufacturing operations, reducing material waste by 40%.

Flutter Supabase PostgreSQL SQLite OAuth Role Management

Personal Projects

Copa FISEI 2025

Personal / ASO FISEI

Completed 2025

Web platform for university faculty championship with team management, standings, match scheduling, and player registrations. Developed as a collaborative team project.

Live Demo

copa-fisei-2025.vercel.app

React Next.js Supabase Tailwind CSS TypeScript

SPA Management Backend

Personal

Completed 2025

NestJS backend for SPA management with APIs for appointments, clients, rooms, and authentication. Built with TypeORM and documented with Swagger.

Live Demo

spa-backend.demo.com

NestJS TypeORM Swagger PostgreSQL JWT Auth Docker

Ready to Start Your Project?

Let's collaborate to bring your ideas to life with cutting-edge technology and innovative solutions.

Ready to Collaborate?

LET'S WORK

TOGETHER

Whether you need a dedicated team member or a project specialist, I'm here to bring your vision to life with cutting-edge technology.

Full-Time Collaboration

Join your team as a dedicated full-stack developer

Response Time

24/7