Mohamed El-Haj
I am an AWS Certified Solutions Architect – Associate with over three years of experience as a full stack engineer, specializing in backend development and cloud-native architecture.
About
I am an AWS Certified Solutions Architect – Associate with over three years of experience as a full stack engineer, specializing in backend development and cloud-native architecture. I have proficiency in PHP, Laravel, REST/GraphQL APIs, and various AWS services such as Lambda, EC2, S3, and RDS. I have solid expertise in DevOps, Infrastructure as Code, and CI/CD pipelines, enabling me to engineer scalable systems, develop secure APIs, and deliver high-performance solutions across multiple industries.
I thrive when solving complex technical challenges and collaborating with cross-functional teams in agile environments. I am committed to effective communication to ensure the success of every project I undertake and continuously improve my skills to stay ahead in the evolving tech landscape.
- 3 years' experience
- Joined July 2025
Industry experience
- Real Estate & Construction
- Software & Internet
- Telecommunications
- Financial Services
- Professional Services
Work experience· 6 roles
Enhanced database response speeds by 25% through optimized query execution and indexing strategies. Improved user experience by implementing backend logic optimizations, reducing API response times by 30%. Achieved a 75% reduction in email infrastructure costs by migrating to AWS SES and implementing cost-monitoring dashboards.
Enhanced database response speeds by 25% via optimized query execution and indexing strategies. Boosted user experience by optimizing backend logic to reduce API response times by 30% using PHP and Laravel. Reduced email infrastructure costs by 75% through AWS cost optimization and cloud-native architecture. Implemented secure REST APIs and GraphQL services with JWT authentication and rate limiting to meet real estate/property listing standards.
Converted business requirements into scalable technical solutions, reducing development time by 30% using agile methodologies. Optimized API performance by 50% through caching strategies and code refactoring, enhancing system scalability. Integrated telecom APIs for real-time data exchange and developed secure payment gateway solutions complying with PCI DSS. Collaborated with cross-functional teams to deliver feature enhancements on time while maintaining industry-standard security protocols.
Education
Certifications and awards
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