Building Scalable Backend Architectures & Modern Web Solutions
I am Faisal Mehmood, a Senior Full Stack Engineer. I design and develop high-performance applications using Node.js, Next.js, Python, and robust database systems.

About Me
Engineering Scalable Solutions
I am a Senior Full Stack Engineer with over 5 years of experience in designing and developing scalable, high-performance web applications. My expertise spans the entire stack, from architecting robust backends with Node.js, Nest.js, and Python, to building dynamic, SEO-optimized frontends using Next.js and React.
I specialize in solving complex engineering challenges, whether it's building custom data pipelines, optimizing database queries, or re-architecting legacy CMS platforms into modern, headless solutions. My WordPress expertise includes building high-performance custom themes, plugins, and headless WordPress architectures for enterprise clients.
I value clean code, technical ownership, and delivering solutions that drive real business impact.
Career Journey
Professional Experience
Lead Backend Engineer
Revnix, fmr. Revnix Technologies
Leading backend engineering efforts across multiple high-impact projects, focusing on scalable system design, API development, and cloud deployment.
Key Achievements
- Architected and developed scalable backend systems using Node.js, Nest.js, Express, and PostgreSQL/MongoDB.
- Designed and deployed a microservices architecture supporting 50,000+ active users, ensuring high availability.
- Implemented robust CI/CD pipelines with Docker & AWS, improving deployment reliability and system uptime.
- Mentored junior developers, improving team productivity and code quality across the engineering department.
Full Stack WordPress Developer
Revnix, fmr. Revnix Technologies
Engineered high-performance WordPress solutions for enterprise and mid-sized clients, focusing on speed, scalability, and custom functionality.
Key Achievements
- Built dynamic eCommerce and membership systems using WooCommerce and Paid Memberships Pro.
- Developed custom themes and plugins with clean architecture principles, achieving 90+ Lighthouse performance scores.
- Created a custom WordPress CMS that reduced plugin dependency by 60%, improving stability and long-term maintainability.
- Delivered optimized REST API integrations for seamless frontend-backend communication.
Frontend Web Developer
Revnix, fmr. Revnix Technologies
Contributed to multiple user-facing platforms by building fast, responsive, and SEO-friendly interfaces.
Key Achievements
- Developed responsive frontends using React, JavaScript, HTML, CSS, and SCSS.
- Integrated REST APIs to deliver smooth, dynamic user experiences across applications.
- Enhanced website performance by 40% and accelerated UI delivery by 30% through reusable component libraries.
- Improved SEO and load time across several client-facing websites.
Services
What I Offer
System Architecture
Designing scalable microservices, RESTful APIs, and data pipelines using Node.js, Nest.js, and Python.
Full Stack Development
End-to-end web application development with modern frameworks like Next.js, React, and TypeScript.
Enterprise CMS Solutions
Architecting high-performance custom themes, plugins, and headless WordPress implementations.
WordPress Development
Custom theme development, plugin architecture, WooCommerce solutions, and performance optimization for enterprise WordPress sites.
Database Management
Expertise in MongoDB, PostgreSQL, and MySQL, ensuring data integrity and optimized query performance.
Performance Optimization
Improving website load times, Core Web Vitals, and overall system efficiency.
DevOps & CI/CD
Implementing CI/CD pipelines using Docker and AWS to improve scalability and reliability.
Skills
Technical Expertise
Frontend
Backend
Database & CMS
DevOps & Tools
Industry & Domain
Projects
Featured Work
E-Commerce Project
Lead Backend Engineer
A fully custom CMS designed to replace WordPress, significantly reducing long-term costs and improving performance.
Challenge:
The client needed to move away from a rigid WordPress setup that was becoming costly and slow to scale.
Solution:
Architected a custom CMS using Next.js and Drizzle ORM with role-based access control and multi-database support.
Impact:
Reduced dependency on third-party plugins by 60% and improved site performance scores to 90+.
The National Pulse
Full Stack Developer
A high-traffic news platform requiring a robust subscription model and payment integration.
Challenge:
Needed a seamless way to handle subscriptions and payments for a growing user base.
Solution:
Integrated Paid Memberships Pro with Stripe, Google Pay, and Apple Pay. Developed a custom theme for optimal speed.
Impact:
Successfully supported a large user base with secure payment processing and fast load times.
E-Commerce Project
Full Stack Developer
A comprehensive e-commerce platform for heavy equipment with complex inventory management.
Challenge:
The existing system lacked advanced filtering and real-time inventory updates.
Solution:
Built a Headless WordPress solution with Next.js frontend, implementing advanced filtering and Stripe payments.
Impact:
Enhanced user experience with instant filtering and streamlined checkout process.
PCI Security Standards Council
Backend Developer
A security standards organization requiring a secure and scalable web presence.
Challenge:
Required integration with multiple third-party services while maintaining strict security standards.
Solution:
Developed custom REST API integrations and Elementor widgets. Optimized backend logic for security.
Impact:
Ensured secure data handling and improved backend scalability for future growth.
Enterprise Data Pipeline
Python Backend Engineer
Core connector development for a high-volume logging and monitoring product.
Challenge:
The platform needed reliable, high-throughput data ingestion from various sources for error tracking.
Solution:
Developed custom Airbyte connectors using Python to streamline data pipelines for the logging service.
Impact:
Significantly improved data reliability and observability for enterprise clients.
Get In Touch
I'm always open to discussing new projects, creative ideas, or opportunities to be part of your visions.
Remote · Pakistan