Muhammad W.

Muhammad W.

Backend Developer

Egypt
Trusted member since 2024
10 years of experience

He is recognized for his ability to develop high-performance, scalable solutions and for his expertise in CRM systems, where he consistently delivers impactful results.

One of Mohamed’s most notable achievements was at The Chefz, where his system optimizations significantly increased daily orders from 400 to over 20,000, demonstrating his proficiency in enhancing performance and stability at scale.

Holding a Master’s degree in Computer Science, Mohamed combines strong technical expertise with leadership skills, successfully managing diverse teams and driving success in complex projects.

Main expertise

LaravelLaravel6 years
HTMLHTML6 years
CSSCSS6 years
AWSAWS1 year
18+

Experience8

Backend Engineer

Communico Corporation Ltd (via Proxify)
Information Technology (IT) and Services
Mar 2025 - May 2025 · 2m

Communico is a US-based SaaS company providing mission-critical digital platforms for public libraries across North America, Canada, Australia, and the UK. Their services include websites, mobile apps, programs, and events, empowering libraries to deliver modern digital experiences to millions of patrons.

  • Optimized Elasticsearch queries and indexing strategies, improving search accuracy and speed for millions of unstructured and structured library records.

  • Designed cost-efficient AWS hosting setups to handle large-scale datasets, reducing operational expenses while maintaining system performance.

  • Collaborated with a distributed team of 11 developers and 1 QA engineer to refine discovery layer functionality across multiple digital services.

  • Implemented data processing pipelines to support high-volume ingestion of metadata formats such as MARC 21, ensuring seamless integration with library catalogs.

  • Advised on best practices for Elasticsearch in cost-sensitive environments, improving scalability and maintainability of the search infrastructure.

  • Supported exploration of AI/ML-powered enhancements (e.g., search result ranking, classification), laying groundwork for future intelligent discovery features.

AWSAWS
ElasticSearchElasticSearch
PythonPython
Machine LearningMachine Learning

Technical Lead

Zain (Saudi Arabia)
Telecommunications
Jan 2024 · 2y 2m

Zain is one of the largest telecommunications providers in the Middle East, offering mobile and broadband services to millions of users.

  • Directed multi-stack teams across PHP Laravel, Java Spring, mobile development, and QA to deliver large-scale projects.

  • Implemented KPI-driven delivery processes, improving team velocity and cutting project timelines by 30%.

  • Launched a mentoring program that accelerated developer onboarding by 40%.

  • Optimized backend API performance, reducing response times by 65% and improving system scalability.

PHPPHP
LaravelLaravel
MySQLMySQL
React.jsReact.js
MongoDBMongoDB
2+
Mazaj

Team Leader

Mazaj
Food and Beverage
Jun 2021 - Oct 2023 · 2y 4m
  • Serves as Team Leader, overseeing the development of a new food catering delivery app.
  • Works closely with the business team to ensure high-quality, scalable, and performant architecture while adhering to best practices, security measures, and compliance standards.
PHPPHP
LaravelLaravel
DockerDocker
PostgreSQLPostgreSQL
ElasticSearchElasticSearch
5+
The Chefz

Team Leader

The Chefz
Food Delivery and Restaurants
Feb 2019 - Dec 2021 · 2y 10m
  • Led a diverse technical team from Egypt, India, Romania, and Jordan.
  • Refactored an old project to introduce new features and improve functionality.
  • Achieved a significant increase in system stability.
  • Increased the average number of daily orders from 400 to over 20,000.
  • Ensured high-quality, scalable, and performant architecture.
  • Followed best practices, security measures, and compliance standards.
  • Utilized technologies including Laravel, PostgreSQL, Elasticsearch, Redis, Docker, Nginx, and Git.
YiiYii
MySQLMySQL
Vue.jsVue.js
DockerDocker
AWSAWS
5+

Team Leader

ALexandria
Oct 2016 - Feb 2019 · 2y 4m
  • Served as Team Leader, guiding a technical team in creating the classified ads website Al Waseet.
  • Developed the web application using PHP and the Yii framework, incorporating various technologies.
  • Implemented flexible ad placement across different categories with custom attributes, significantly enhancing search and browsing capabilities.

Team Leader

USL (ALexandria)
Education
Oct 2016 - Feb 2019 · 2y 4m

USL is a digital solutions company specializing in online platforms and classified ad systems.

Directed development of Al Waseet, a high-traffic classifieds platform serving diverse categories.

Designed a flexible database schema to support dynamic product attributes and scalability.

Improved search performance by 200% through Elasticsearch integration.

Developed an automated test suite with 90%+ coverage, ensuring high reliability.

Optimized database queries, reducing page load times by 45%.

YiiYii
MongoDBMongoDB
ElasticSearchElasticSearch
HTMLHTML
Unit Testing
Team Leading

Senior PHP Developer

PremaIt Solutions
Information Technology (IT) and Services
Oct 2015 - Oct 2016 · 1y
  • Developed complete e-commerce projects for medical purposes.
  • Contributed to Samsung’s “Speak Arabic” initiative, working with technologies including Drupal, Laravel, Yii2, MySQL, Memcached, PHPUnit, HTML5, CSS, JavaScript, and jQuery.
PHPPHP
YiiYii
LaravelLaravel
MySQLMySQL
JavaScriptJavaScript
4+
Iteam Solutions

Senior PHP Developer

Iteam Solutions
Information Technology (IT) and Services
Oct 2015 - Oct 2016 · 1y
  • Worked as a Senior PHP Developer, autonomously interpreting business and technical requirements, designing and implementing high-quality solutions, and conducting thorough testing.
  • Collaborated and supported peers in a development, testing, and automation-focused environment.
PHPPHP
YiiYii
SymfonySymfony
LaravelLaravel
HTMLHTML
CSSCSS

Assessments

Engineering excellence

Muhammad’s overall performance in a 90-minute live technical assessment ranks in the top 5% of vetted Backend Developers at Proxify.

Education

IOG
Institute of graduate studies and research, Alexandria University
Computer science2016 - 2019
Alexandria University
Alexandria University
Bachelor of arts psychology department2004 - 2008

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