Core PHP 8.1+ & MySQL Architect · Available for Freelance & Consulting

Architecting High-Performance Web Applications

Crafting resilient web apps, custom CMS platforms, & high-concurrency cloud systems

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Alex Mercer

8+

Years Experience

140+

Completed Projects

95+

Happy Clients

99.9%

Code Quality & Security

Case Studies · Selected Work

Featured Portfolio Projects

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FitFlow Health & Metric Tracker
Mobile & UX · May 2025

FitFlow Health & Metric Tracker

Responsive mobile-first health metric monitoring web app with live data sync and workout history....

PHP 8.1, Bootstrap 5, JavaScript, PWA Details
DataFusion AI Pipeline Manager
API & Backend · Aug 2025

DataFusion AI Pipeline Manager

Backend workflow automation engine with asynchronous job scheduling and RESTful API endpoints....

PHP 8.1, MySQL, REST API, JSON, Curl Details
Aura Minimalist Luxury E-Commerce
E-Commerce · Nov 2025

Aura Minimalist Luxury E-Commerce

High-conversion e-commerce engine with multi-currency checkout, dynamic inventory control, and admin suite....

PHP 8.1, MariaDB, MySQL, JavaScript, CSS3 Details
Expertise · What I Offer

Professional Engineering Services

Custom Web Application Development

Custom, scalable backend portals engineered with PHP 8, PDO, and secure MySQL architectures.

Starting from $1,499

E-Commerce Engine Development

Fast, mobile-ready online shop solutions with inventory, payment gateways, and custom admin.

Starting from $1,999

Database Architecture & Optimization

Database schema design, query optimization, indexing, and high-concurrency SQL tuning.

Starting from $899

RESTful API Engineering

Secure JSON APIs for web, mobile, and third-party SaaS integration with authentication.

Starting from $799
Client Feedback · Endorsements

What Clients & Leaders Say

Marcus Thorne

Marcus Thorne

Founder & CEO, Aura Luxury Group

"The e-commerce platform Alex built for us exceeded all expectations. The custom admin dashboard makes product management effortless."

Eleanor Vance

Eleanor Vance

VP of Technology, Equinox Systems

"Alex is an extraordinary PHP architect. He took our legacy database and transformed it into a blazing-fast, secure portal. Highly recommended!"