Full-Stack · Backend Developer

Building robust architectures, automated workflows with AI and scalable technology solutions.

⚙️ Back-End Development🔌 APIs & Microservices🤖 AI-Driven Automations🎨 Full-Stack Experience🚀 Scalable Architecture

Over 10 years of experience designing and scaling high-availability web systems with PHP/Laravel, Node.js, and NestJS, capable of processing large volumes of data with PostgreSQL, MySQL, Redis, and MongoDB.

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I'm Adrián Pérez.

Full-Stack & Backend Developer

Full-Stack Developer with over a decade of experience designing and scaling web systems. Specialist in the Back-End ecosystem (PHP/Laravel, Node.js, NestJS), with a strong ability to lead the entire development lifecycle, from database architecture to modern front-ends with React, Vue, and TypeScript. Focused on process automation, third-party API integrations, and clean business-driven architectures.

🎓 B.S. in Computer Engineering · UPT Aragua, 2015

🌐 Native Spanish · Professional English

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10+

Years of Experience

Designing and scaling web systems for companies across LATAM, the US, and Europe.

10+

High-Impact Projects

From P2P payment SaaS and marketplaces to international logistics and GovTech.

15+

Mastered Technologies

Laravel, NestJS, React, Vue, Angular, PostgreSQL, MySQL, Redis, Docker, and more.

Proven Experience

Building products with impact, dedication, and a touch of clean code

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Logistics Tracking & Fulfillment Platform

The engine moving ~100,000 packages between Africa and Latin America. High-performance backend platform tracking every parcel end-to-end: sorting, customs clearance, tariffs, distribution zones, and real-time tracking, all orchestrated in a single system.

Project type

Cross-border e-commerce · MailAmericas (MLA)

THEEGG BITS & BYTES LLC · MailAmericas (MLA)

•🌍 Real scale: ~100,000 active packages, multi-region operation integrated with the world’s largest marketplaces and couriers.
•📡 Tracking event engine: real-time processing architecture that keeps shipment states synchronized across external systems.
•🔌 Massive integrations: AliExpress and Cainiao for large-scale shipment data ingestion and synchronization.
•🧩 Logistics domain modules: distribution zones, sorting hubs, and parcel services powered by asynchronous processing.
•⚡ Operational resilience: thousands of concurrent operations handled via Redis/Horizon, automatic retries, and fault tolerance.

Stack: PHP 8.1, Laravel 9, Redis, Laravel Horizon, MySQL, GraphQL, REST, SOAP, AWS S3, Docker, Datadog.

Sorting — Intelligent Logistics Classification

Platform that automates parcel sorting across distribution centers end-to-end: each order is evaluated against dynamic, configurable business rules, routing to the correct destination and carrier in real time without manual intervention.

Project type

Logistics / Multi-tenant SaaS

THEEGG BITS & BYTES LLC · MailAmericas (MLA)

•⚡ Asynchronous processing: sustains high order throughput with low latency without degrading user experience.
•🧩 Configurable rule engine: intelligent routing by postal code, service type, weight, and dimensions.
•🏗️ Clean architecture: Domain-Driven Design (DDD) with NestJS and PostgreSQL, highly modular and maintainable.
•🚀 Automated CI/CD: continuous delivery with Docker and strict semantic versioning.

Stack: React, TypeScript, NestJS, PostgreSQL, Redis, Docker.

AKT Motos La Principal — Full-Stack Web Platform & Commercial CMS

High-performance corporate web platform and custom CMS for a motorcycle dealership. Features an interactive multi-image catalog, direct lead routing to sales advisors via WhatsApp, branch locator, and a secure admin panel with JWT authentication and multimedia processing.

Project type

E-commerce / Commercial CMS · Automotive Retail

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ToGet C.A. · AKT Motos La Principal

•🏍️ Interactive Catalog with Multi-image Gallery: Dynamic category filtering, detailed technical specifications, and direct WhatsApp quote requests with pre-configured messages per model.
•📍 Sales Advisor & Branch Network: Geolocation-enabled directory integrated with Google Maps and direct 1-to-1 lead routing.
•🔐 Custom Admin Panel (CMS): Private dashboard with robust authentication (JWT + bcrypt), full CRUD management for motorcycles, branches, advisors, and categories.
•🖼️ Advanced Multimedia Handling: Image upload pipeline with interactive client-side cropping and optimized storage.
•⚡ SEO & Performance: Comprehensive technical optimization with Next.js 15 SSR, dynamic metadata, sitemap.ts, and instant page loads.

Stack: Next.js 15, React 19, NestJS, TypeScript, TypeORM, MariaDB, Docker, Tailwind CSS.

ToGet — Marketplace

Consumer tech e-commerce with a physical flagship store in C.C. Hyper Jumbo (Maracay) and nationwide express delivery across Venezuela: 100% genuine products, Cashea installment financing, and WhatsApp-assisted checkout.

Project type

E-commerce / Marketplace · Retail tech

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ToGet C.A.

•🛒 Full-featured marketplace: reactive catalog, shopping cart, price quotations, and automated order processing.
•💳 Live Cashea calculator: instant calculation (40% down payment + 3 installments) with exact payment schedules.
•📲 Assisted checkout: interactive WhatsApp flow for real-time stock confirmation and direct deal closing.
•🚚 National logistics: express local delivery and nationwide shipping with live-synchronized official BCV exchange rate.

Stack: React 19, TypeScript, TanStack Start & Router, TanStack Query, Tailwind CSS v4, Radix UI, React Hook Form, Zod, Supabase, Cloudflare.

GivBux

Cashless peer-to-peer mobile payments with loyalty points, merchant rewards, and discounts. Google Play-published mobile app backed by secure APIs for mobile and web clients.

Project type

Fintech / P2P Mobile Payments

Rock7Media

•💳 Financial gateways: transactional and bank payment integrations with Dwolla and PayPal.
•⚡ Microservices architecture: high-performance PHP services built with Laravel 5 and Lumen 5.6 micro-framework.
•📱 Multi-platform support: unified REST API consumed simultaneously by iOS/Android apps and web clients.
•💻 Front-End dashboard: reactive administrative interfaces developed with Vue.js and Webpack.

Stack: Laravel 5, Lumen 5.6, Vue.js, PHP, Dwolla, PayPal, MySQL, JSON, Webpack.

Eutopia Life

Enterprise web platform with payment gateway and tailored CRM for end-to-end business operations: public informational portal, billing portal, and internal custom CRM.

Project type

SaaS / Web Platform + CRM

Rock7Media

•🌐 Unified ecosystem: public institutional website, transactional checkout, and operational CRM.
•💼 Custom CRM: customer portfolio management, financial statements, invoicing, and analytical reporting.
•🎨 Modular front-end: responsive layout crafted with Vue.js, Element UI, Bootstrap, and SASS.
•⚙️ Infrastructure: server configuration and tuning for Apache, MySQL, and production environments.

Stack: Laravel 5, Vue.js, Element UI, Bootstrap, SASS, MySQL, Apache, cPanel.

Salix Fruits

Marketplace platform and app for the international fresh fruit industry, featuring a hybrid mobile app for distributors and a global web administration dashboard.

Project type

Marketplace / Mobile App + Web

Lyncros

•📱 Hybrid mobile development: app published on Google Play built using Ionic Framework.
•🖥️ Angular web panel: robust front-end engineered with Angular 5/6/7, Angular Material, and SASS.
•🔌 RESTful backend: API architecture in Laravel 5 for real-time catalog and order synchronization.

Stack: Ionic, Angular 5/6/7, Laravel 5, PHP, Angular Material, MySQL.

Astrology Hive

Astrology web platform with full-cycle Full-Stack development: natal chart calculations, mapping integrations, and interactive responsive front-end.

Project type

Web App / Full-Stack

Rock7Media

•🗺️ Geographic integration: geocoding and coordinate calculations using Google Maps API.
•⚙️ Continuous evolution: proactive performance optimization and feature releases on Laravel backend.
•🖥️ User experience: reactive Vue.js interfaces engineered for clear data visualization.

Stack: Laravel 5, Vue.js, PHP, MySQL, Google Maps API, JSON.

Tech Stack

Technologies & Tools

Let's discuss your stack →

Backend & Architecture

PHP 8.x / 7.xLaravel (5 al 12)NestJSNode.jsLumenRESTful APIsGraphQLSOAPMicroserviciosTypeORM & EloquentLaravel Horizon & RedisArquitectura DDDDwolla & PayPal APIs

Modern Frontend

React 19TypeScriptTanStack Start & RouterTanStack QueryVue.jsAngular (5-7)Ionic FrameworkTailwind CSS v4Radix UI / shadcnReact Hook FormZodHTML5 SemánticoCSS3 / SASSBootstrap

Databases & Storage

PostgreSQLMySQL / MariaDBMongoDBRedis (Cache & Queues)SupabaseAWS S3Diseño y Modelado RelacionalOptimización de Queries e Índices

DevOps & Work Environment

Docker & Docker ComposeGit & GitHubCloudflare Workers / PagesLinux ServerVitePostman / InsomniaDatadogApache & cPanelGoogle Maps APIMetodologías Ágiles (SCRUM)Jira & Trello