Hi, I'm

Armando Oliva

Senior Full Stack Developer

Specialist in scalable, high-performance web, mobile, and cloud solutions.

Who I Am


Full Stack Developer with solid experience in designing, developing, and deploying web and mobile applications. Specialized in Node.js, Laravel, Flutter, and scalable backend architecture. Proven track record delivering end-to-end solutions across industries such as logistics, banking, ecommerce, education, human resources, and document management. Focused on clean code, application security, continuous integration, and performance optimization in high-concurrency environments.

+8 Years Building Solutions

Multiple Industries

Full Stack (Web, Mobile & Cloud)

Application Security

Technologies & Tools


Languages

JavaScript TypeScript Dart Python PHP Java Kotlin C# Go SQL

Frontend & Mobile

Flutter Angular HTML5 CSS3 Bootstrap TailwindCSS

Backend & Frameworks

Node.js Express Laravel ASP.NET REST APIs SOAP APIs Microservices

Databases

MySQL PostgreSQL SQL Server Oracle MariaDB MongoDB Redis

Cloud & DevOps

AWS Azure GCP Docker CI/CD Git GitHub Actions

Other

System Architecture Application Security WebSockets Real-time Processing OAuth 2.0 Payment Gateways E-invoicing Agile (Scrum)

What I Have Built


Real-Time Logistics Platform

Designed and developed a logistics platform with real-time GPS tracking, reducing dispatch response times by 35%.

35% faster dispatch
Node.js WebSockets Flutter

High-Concurrency Microservices

Architected a microservices infrastructure deployed on the cloud, handling 25,000+ concurrent requests with 99.9% uptime.

25K+ concurrent requests
Node.js Azure AWS Microservices

Cross-Platform Mobile Apps

Built cross-platform mobile applications with native plugin integration for camera, GPS, and push notifications.

Native performance
Flutter Java Kotlin

Document Management System with OCR

Developed a document management system with OCR automation that saved 120+ hours per month for operations teams.

120+ hours/month saved
Laravel Python OCR

E-commerce Platforms

Integrated payment gateways and e-invoicing systems for e-commerce platforms processing $500K+ in monthly transactions.

$500K+ monthly transactions
Stripe PayPal Node.js Laravel

Monolith to Microservices Migration

Led migration from monolithic applications to microservices architecture, improving horizontal scalability and reducing infrastructure costs by 25%.

25% cost reduction
Microservices Docker CI/CD

Automated Testing Implementation

Implemented automated unit and integration tests, increasing code coverage from 30% to 85%.

30% → 85% coverage
PHPUnit Jest CI/CD

Tecnologías que he usado


JavaScript
TypeScript
Node.js
PHP
Laravel
AWS
Cloudflare
Python
Go
Dart
Flutter
React
Angular
HTML5
CSS3
Sass
Bootstrap
Tailwind CSS
Docker
GCP
Azure
Android
iOS
Apple
Git
GitHub
Bitbucket
Jira
PostgreSQL
MySQL
SQL Server
MongoDB
PayPal
App Store
Play Store
Linux
Ubuntu
Debian
Red Hat
openSUSE
Windows
JavaScript
TypeScript
Node.js
PHP
Laravel
AWS
Cloudflare
Python
Go
Dart
Flutter
React
Angular
HTML5
CSS3
Sass
Bootstrap
Tailwind CSS
Docker
GCP
Azure
Android
iOS
Apple
Git
GitHub
Bitbucket
Jira
PostgreSQL
MySQL
SQL Server
MongoDB
PayPal
App Store
Play Store
Linux
Ubuntu
Debian
Red Hat
openSUSE
Windows

Let's Connect


I'm always open to new opportunities and interesting projects. Feel free to reach out through any of the following channels.