Available for Freelance Projects

Muhammad Arief

Back End Engineer with 6+ Years of Experience

Architecting scalable server-side solutions, automating complex data workflows, and building robust APIs that drive business performance.

About Me

Beyond the Code

I am a versatile Backend Engineer dedicated to building robust, scalable architectures. With a core foundation built on over six years of PHP development, I have evolved into a polyglot developer, mastering Node.js and Python to tackle complex challenges.

My technical expertise spans high-performance data scraping for marketplaces, secure REST API development, and crafting custom automation solutions. I don't just write code; I engineer systems that optimize efficiency and reliability.

As a freelancer, I have successfully navigated diverse client needs, cultivating adaptability and a relentless drive for continuous improvement. Whether refactoring legacy systems or building data pipelines from scratch, I am committed to delivering clean, maintainable, and high-impact solutions.

Technologies & Tools

My technical arsenal for building modern applications.

PHP

Core Expertise, Laravel

Node.js

Backend Services, Express

Python

Scripting, Automation

WordPress

Custom Themes & Plugins

Data Scraping

Marketplace & Social Media

Databases

MySQL, SQLite, MongoDB

REST API

Design & Integration

Docker

Containerization

Git

Version Control

AWS

Cloud Infrastructure

Redis

Caching & Performance

Automation

Workflow Optimization

Professional Journey

6+ Years Experience

Backend Engineering

Extensive background in building scalable web applications using PHP frameworks (Laravel/CodeIgniter). Focused on optimizing database queries, ensuring security compliance, and maintaining high-traffic systems.

4 Years Specialization

Data Scraping & Extraction

Developed sophisticated bots and crawlers to extract large-scale data from e-commerce marketplaces and social media platforms. Implemented anti-detection mechanisms and automated data cleaning pipelines.

3 Years

Node.js & Microservices

Transitioned key service modules to Node.js to improve concurrency and real-time performance. Designed API gateways and handled asynchronous task processing for heavy computational loads.

Ongoing

Freelance Developer

Delivering tailored solutions for global clients, ranging from custom WordPress plugin development to Python automation scripts. Proven track record of meeting tight deadlines and adapting to new tech stacks rapidly.

Selected Work

E-Commerce Price Monitor

A Python-based automation suite that monitors competitor pricing across 5 major marketplaces in real-time, alerting the client via dashboard and webhook triggers.

Python Selenium PostgreSQL

SaaS API Gateway

Designed a centralized REST API for a logistics platform, handling authentication, rate limiting, and routing for mobile and web clients. Reduced latency by 40%.

Node.js Express Redis

Legacy CMS Migration

Refactored a monolithic legacy PHP application into a modular Laravel architecture. Implemented CI/CD pipelines and automated testing to ensure stability.

PHP 8 Laravel MySQL