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Senior Principal Engineer

Majid Al Futtaim (MAF) Group

UAE (Remote)

August 2020 - July 2023

Led comprehensive performance optimization initiative for Majid Al Futtaim's Carrefour e-commerce platform serving 450+ locations across 16 countries in Middle East, Africa, and Asia. Focused on Core Web Vitals optimization to achieve green zone metrics.

Project Title:

Carrefour Middle East Performance Optimization

Role:

Senior Principal Engineer

15

Team Size

3 years

Duration

Problem & Solution

Challenge

Carrefour's e-commerce platform serving 750,000+ daily customers across multiple regions needed significant performance improvements for Core Web Vitals (LCP, CLS, FID) to enhance user experience.

Solution

Implemented comprehensive performance optimization strategy using Akamai CDN, advanced caching mechanisms, code splitting, image optimization, and established performance monitoring framework across all regions.

Technologies Used

Next.jsNext.js
ReactReact
Redux ToolkitRedux Toolkit
Tailwind CSSTailwind CSS
Akamai CDNAkamai CDN
AWSAWS
Performance MonitoringPerformance Monitoring
Core Web VitalsCore Web Vitals
LighthouseLighthouse
WebPageTestWebPageTest

Architecture Patterns

Performance-First Architecture
CDN Optimization
Progressive Loading
Multi-Region Architecture

Key Responsibilities

Establish performance standards and benchmarks for Carrefour e-commerce platform

Optimize Core Web Vitals (LCP, CLS, FID) across all pages and user journeys

Implement advanced caching strategies using Akamai CDN for multi-region performance

Lead performance audits and optimization initiatives for 450+ Carrefour locations

Collaborate with international teams across 16 countries for performance consistency

Key Achievements

Achieved green zone performance metrics across almost all pages for Core Web Vitals

Dramatically improved user experience for 750,000+ daily customers across multiple regions

Green zone LCP, CLS, FID
Multi-country performance consistency
Akamai CDN optimization
Implemented comprehensive performance monitoring and optimization framework

Established sustainable performance culture and practices across development teams

Performance standards established
Monitoring dashboards implemented
Team training delivered

Project Outcomes

Core Web Vitals

Green zone achievement

Achieved green zone LCP, CLS, and FID across almost all pages

User Experience

Multi-region consistency

Consistent performance across 16+ countries and 450+ locations

Performance Standards

Framework established

Created comprehensive performance monitoring and optimization framework

CDN Optimization

Akamai integration

Advanced caching strategies with significant performance gains

Challenges Faced

Optimizing performance across diverse geographic regions with varying network conditions

Balancing feature richness with performance requirements for large e-commerce platform

Coordinating performance initiatives across international development teams

Establishing consistent performance standards across 450+ store locations

Lessons Learned

CDN optimization strategies vary significantly across different regions

Performance monitoring must be continuous and automated for large-scale applications

Core Web Vitals optimization requires holistic approach from architecture to deployment

International performance optimization requires deep understanding of regional constraints

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