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Ahmed Gehad Mohamed ElSayed Ghandour, Senior Manager, Data Science/Engineering

Ahmed Gehad Mohamed ElSayed Ghandour

Senior Manager, Data Science/Engineering·Landmark Group

United Arab Emirates

Doctorate, Computer Science and Information Systems

Work experience

Total years of experience: 18 years, 3 months

Senior Manager, Data Science/Engineering

October 2025 - Present

Landmark Group

Dubai, United Arab Emirates

October 2025 - Present

• Designed and deployed advanced machine learning models (personalization engines, predictive analytics, chatbots, NLP) that improved customer acquisition, retention, and online conversion, contributing to double-digit growth in e-commerce revenue.
• Spearheaded A/B testing and AI-driven personalization, significantly enhancing customer engagement, product discovery, and sales uplift across omni-channel retail platforms.
• Oversaw a multi-petabyte migration to Microsoft Azure, building scalable data pipelines and real-time analytics platforms for retail, supply chain, and customer intelligence.
• Architected and implemented microservices and RESTful APIs, enabling seamless integration of AI models with customer-facing applications and internal systems.
• Delivered advanced Power BI and QlikView dashboards, democratizing access to insights for leadership and operational teams, leading to faster, smarter decisions.
• Manage and grow a cross-functional team of Data Scientists, Engineers, and ML specialists, instilling Agile practices, coding standards, and a culture of innovation and continuous learning.
• Partner with C-level executives and stakeholders to align AI strategy with business objectives, ensuring maximum ROI from technology investments.
• Established data quality, security, and coding standards, ensuring reliability and compliance across all AI and data initiatives.

Company industry:
Retail & Wholesale

Lead Data Scientist / Data Engineer

January 2019 - October 2025

Landmark Group

Dubai, United Arab Emirates

January 2019 - October 2025

• Designed and deployed advanced machine learning models (personalization engines, predictive analytics, chatbots, NLP) that improved customer acquisition, retention, and online conversion, contributing to double-digit growth in e-commerce revenue.
• Spearheaded A/B testing and AI-driven personalization, significantly enhancing customer engagement, product discovery, and sales uplift across omni-channel retail platforms.
• Oversaw a multi-petabyte migration to Microsoft Azure, building scalable data pipelines and real-time analytics platforms for retail, supply chain, and customer intelligence.
• Architected and implemented microservices and RESTful APIs, enabling seamless integration of AI models with customer-facing applications and internal systems.
• Delivered advanced Power BI and QlikView dashboards, democratizing access to insights for leadership and operational teams, leading to faster, smarter decisions.
• Manage and grow a cross-functional team of Data Scientists, Engineers, and ML specialists, instilling Agile practices, coding standards, and a culture of innovation and continuous learning.
• Partner with C-level executives and stakeholders to align AI strategy with business objectives, ensuring maximum ROI from technology investments.
• Established data quality, security, and coding standards, ensuring reliability and compliance across all AI and data initiatives.

Company industry:
Retail & Wholesale

Principal Software QA Engineer

January 2018 - January 2019

Landmark Group

Dubai, United Arab Emirates

January 2018 - January 2019

• Managed a cross-functional team of 27 in 2 locations (Dubai, UAE, and Bengaluru, India), ranging from entry-level QA analysts to senior automation and performance test engineers, and collaborated with business development, data science, product management, and operations.
• Launched and introduced performance testing at e-commerce for Landmark Group. Thus, it enhanced the server's capacity more than 10 times, raised the profits from 278 Million Dirhams per year to more than 1.4 Billion Dirhams per year, and prevented extra costs of adding additional servers.
• Designed training and peer-mentoring programs for the incoming members; decreased onboarding time for new hires by 50%.
• Overhauled the obsolete legacy source code of 8 production applications, resulting in increased usability and reduced run time performance by more than 85%.
• Initiated API automation testing, which saved more than 60% of the testing time by finding many bugs in the early phases.
• Promoted within 5 months for strong performance and organizational impact (1.5 years ahead of schedule).

Company industry:
Retail & Wholesale

Senior Quality Assurance Engineer, Acting as a Lead

December 2017 - January 2018

Landmark Group

Dubai, United Arab Emirates

December 2017 - January 2018

• Managed a cross-functional team of 27 in 2 locations (Dubai, UAE, and Bengaluru, India), ranging from entry-level QA analysts to senior automation and performance test engineers, and collaborated with business development, data science, product management, and operations.
• Launched and introduced performance testing at e-commerce for Landmark Group. Thus, it enhanced the server's capacity more than 10 times, raised the profits from 278 Million Dirhams per year to more than 1.4 Billion Dirhams per year, and prevented extra costs of adding additional servers.
• Designed training and peer-mentoring programs for the incoming members; decreased onboarding time for new hires by 50%.
• Overhauled the obsolete legacy source code of 8 production applications, resulting in increased usability and reduced run time performance by more than 85%.
• Initiated API automation testing, which saved more than 60% of the testing time by finding many bugs in the early phases.
• Promoted within 5 months for strong performance and organizational impact (1.5 years ahead of schedule).

Company industry:
Retail & Wholesale

Senior Quality Assurance Engineer (Contractor: WeSearch)

April 2017 - December 2017

Landmark Group

Dubai, United Arab Emirates

April 2017 - December 2017

• Managed a cross-functional team of 27 in 2 locations (Dubai, UAE, and Bengaluru, India), ranging from entry-level QA analysts to senior automation and performance test engineers, and collaborated with business development, data science, product management, and operations.
• Launched and introduced performance testing at e-commerce for Landmark Group. Thus, it enhanced the server's capacity more than 10 times, raised the profits from 278 Million Dirhams per year to more than 1.4 Billion Dirhams per year, and prevented extra costs of adding additional servers.
• Designed training and peer-mentoring programs for the incoming members; decreased onboarding time for new hires by 50%.
• Overhauled the obsolete legacy source code of 8 production applications, resulting in increased usability and reduced run time performance by more than 85%.
• Initiated API automation testing, which saved more than 60% of the testing time by finding many bugs in the early phases.
• Promoted within 5 months for strong performance and organizational impact (1.5 years ahead of schedule).

Company industry:
Retail & Wholesale

Senior Quality Assurance Engineer

June 2016 - October 2016

Trakhees

Dubai, United Arab Emirates

June 2016 - October 2016

• Participated in one of the most critical projects in Dubai. Analyzed, built, and delivered project 272 to digitalize 272 products and services to comply with the Dubai Smart Government vision.

Company industry:
Other Business Support Services

Senior Quality Assurance Engineer

July 2015 - March 2016

Trakhees

Dubai, United Arab Emirates

July 2015 - March 2016

• Participated in one of the most critical projects in Dubai. Analyzed, built, and delivered project 272 to digitalize 272 products and services to comply with the Dubai Smart Government vision.
• Implemented test-driven development, which helped me adapt quickly to new changes in a data-driven decision-making environment.

Company industry:
Other Business Support Services

Senior Quality Control Engineer

May 2012 - April 2015

TE Data

Cairo, Egypt

May 2012 - April 2015

• Recommended an advanced automation framework, achieving an 80% reduction in testing time.
• Built an impressive and comprehensive dashboard for reporting, which delivered the necessary insights.

Company industry:
Internet & E-commerce

Senior Quality Control Engineer

March 2011 - April 2012

TE Data

Cairo, Egypt

March 2011 - April 2012

• Recommended an advanced automation framework, achieving an 80% reduction in testing time.
• Received a crystal pyramid as the best employee in 2011 against more than 6000 employees.
• Built an impressive and comprehensive dashboard for reporting, which delivered the necessary insights.

Company industry:
Internet & E-commerce

Object-Oriented Programmer

April 2010 - March 2011

MCIT

Cairo, Egypt

April 2010 - March 2011

• Produced and implemented a system to troubleshoot technical issues automatically over the air, thus cutting down the call centers' load by more than 40%.
• Overhauled the obsolete legacy source code of two production applications, resulting in better productivity and minimized run time performance by 30%.

Company industry:
Telecommunications

Software Developer

March 2009 - April 2010

Sakhr Software

Cairo, Egypt

March 2009 - April 2010

• Developed a machine translation software that expanded the business's small-to-medium client base by 35%.
• Developed an Arabic OCR "Optical Character Recognition" software, taking into consideration the Arabic morphology. This provided the lead to the business and raised sales by 8%.

Company industry:
Software Development

System Analyst

January 2008 - March 2009

Egyptian Military (Air Defence)

Cairo, Egypt

January 2008 - March 2009

• Analyzed data for 3 systems and provided clean system requirement specifications, which guided the entire team and boosted efficiency.
• Established 2 applications for the air defense systems of the Egyptian army.

Company industry:
Military & Defense

Software Developer

June 2007 - January 2008

Sakhr Software

Cairo, Egypt

June 2007 - January 2008

• Developed a machine translation software that expanded the business's small-to-medium client base by 35%.
• Developed an Arabic OCR "Optical Character Recognition" software, taking into consideration the Arabic morphology. This provided the lead to the business and raised sales by 8%.

Company industry:
Software Development

Education

Cairo University

December 2026

December 2026

Doctorate, Computer Science and Information Systems

Egypt

Sadat Academy for Management Sciences

July 2015

July 2015

Master's degree, Computer Science and Information Systems

Egypt

Sadat Academy for Management Sciences

July 2007

July 2007

Bachelor's degree, Information Systems

Egypt

Skills

Software Engineering
Expert
Software Engineering
Expert
Artificial Intelligence
Expert
Artificial Intelligence
Expert
BI
Beginner
BI
Beginner
HTML
Expert
HTML
Expert
Jmeter
Expert
Jmeter
Expert
Mantis
Expert
Mantis
Expert
Test Link
Expert
Test Link
Expert
XPath
Expert
XPath
Expert
regular expressions
Expert
regular expressions
Expert
H2o
Expert
H2o
Expert
R
Expert
R
Expert
Matlab
Expert
Matlab
Expert
Neural Networks
Expert
Neural Networks
Expert
SVM
Expert
SVM
Expert
NLP
Expert
NLP
Expert
Statistics
Expert
Statistics
Expert
Machine Learning
Expert
Machine Learning
Expert
JavaScript
Intermediate
JavaScript
Intermediate
DATA ANALYSIS
Expert
DATA ANALYSIS
Expert
MACHINE LEARNING
Expert
MACHINE LEARNING
Expert
ARTIFICIAL INTELLIGENCE
Expert
ARTIFICIAL INTELLIGENCE
Expert
SOFTWARE ENGINEERING
Expert
SOFTWARE ENGINEERING
Expert
RECOMMENDER SYSTEMS
Expert
RECOMMENDER SYSTEMS
Expert
CHATBOT
Expert
CHATBOT
Expert
COMPUTER VISION
Expert
COMPUTER VISION
Expert
GENERATIVE ARTIFICIAL INTELLIGENCE
Expert
GENERATIVE ARTIFICIAL INTELLIGENCE
Expert
INFORMATION SYSTEMS
Expert
INFORMATION SYSTEMS
Expert
CSS
Beginner
CSS
Beginner
Software Testing (Quality Control)
Expert
Software Testing (Quality Control)
Expert
C#
Expert
C#
Expert
Java
Beginner
Java
Beginner
AI
Intermediate
AI
Intermediate
Java Script
Expert
Java Script
Expert
Software Quality Assurance
Expert
Software Quality Assurance
Expert
Network
Intermediate
Network
Intermediate
SQL
Expert
SQL
Expert
NLP
Intermediate
NLP
Intermediate
VB.Net
Intermediate
VB.Net
Intermediate
C, C++
Intermediate
C, C++
Intermediate
Selenium
Intermediate
Selenium
Intermediate
mysql
Expert
mysql
Expert
Pyspark
Expert
Pyspark
Expert
Jenkins
Expert
Jenkins
Expert
Jira
Expert
Jira
Expert
Shell
Expert
Shell
Expert
Octave
Intermediate
Octave
Intermediate
Keras
Expert
Keras
Expert
XGBoost
Expert
XGBoost
Expert
NLTK
Intermediate
NLTK
Intermediate
NumPy
Expert
NumPy
Expert
TidyVerse
Expert
TidyVerse
Expert
ggplot
Intermediate
ggplot
Intermediate
Math
Expert
Math
Expert
Statistics
Expert
Statistics
Expert
Python
Expert
Python
Expert
Scikit Image (skimage)
Intermediate
Scikit Image (skimage)
Intermediate
Spacy
Intermediate
Spacy
Intermediate
Pandas
Expert
Pandas
Expert
Google Big Query
Intermediate
Google Big Query
Intermediate
Shiny
Intermediate
Shiny
Intermediate
Gensim
Intermediate
Gensim
Intermediate
Bokeh
Expert
Bokeh
Expert
Sparklyr
Intermediate
Sparklyr
Intermediate
Scikit Learn (sklearn)
Expert
Scikit Learn (sklearn)
Expert
GIT
Expert
GIT
Expert
Data Science
Expert
Data Science
Expert
TensorFlow
Expert
TensorFlow
Expert
Google Analytics
Expert
Google Analytics
Expert
Scrum
Expert
Scrum
Expert
Matplotlib
Expert
Matplotlib
Expert
Seaborn
Expert
Seaborn
Expert
Power BI
Expert
Power BI
Expert
predictive modeling
Expert
predictive modeling
Expert
agile project management
Expert
agile project management
Expert
predictive analytics
Expert
predictive analytics
Expert
natural language processing
Expert
natural language processing
Expert
programming
Expert
programming
Expert
databases
Expert
databases
Expert
Pytorch
Expert
Pytorch
Expert
Machine Learning
Expert
Machine Learning
Expert
Artificial Intelligence
Expert
Artificial Intelligence
Expert
Software Engineering
Expert
Software Engineering
Expert
ARTIFICIAL INTELLIGENCE
Intermediate
ARTIFICIAL INTELLIGENCE
Intermediate
CHATBOT
Intermediate
CHATBOT
Intermediate
CLINICAL DATA MANAGEMENT
Intermediate
CLINICAL DATA MANAGEMENT
Intermediate
COMPUTER VISION
Intermediate
COMPUTER VISION
Intermediate
GENERATIVE ARTIFICIAL INTELLIGENCE
Intermediate
GENERATIVE ARTIFICIAL INTELLIGENCE
Intermediate
MACHINE LEARNING
Intermediate
MACHINE LEARNING
Intermediate
MICROSOFT OFFICE
Intermediate
MICROSOFT OFFICE
Intermediate
NATURAL LANGUAGE PROCESSING
Intermediate
NATURAL LANGUAGE PROCESSING
Intermediate
RECOMMENDER SYSTEMS
Intermediate
RECOMMENDER SYSTEMS
Intermediate
SOFTWARE ENGINEERING
Intermediate
SOFTWARE ENGINEERING
Intermediate

Languages

Arabic
Expert
English
Expert

Memberships

Egyptian Society for Information Systems and Computer Technology “ESISACT”

Researcher and Active Member

January 2015

Training and Certifications

Certifications
Statistical Learning.
Machine Learning. (Certificate
Data Science Specialization.
Deep Learning Specialization.
TensorFlow in Practice Specialization.
Data
Python Programming track.
Python Programmer track.
Machine Learning Fundamentals with Python.
Data Scientist with Python track.
Machine Learning Scientist with Python track.
Marketing Analytics with Python track.
Advanced-Data Analysis Nanodegree.
Deep Learning Nanodegree.
AWS Machine Learning Foundations. (Certificate, course)
Certified Professional Scrum Master
Azure Data Scientist Associate.
Fabric Analytics Engineer Associate. (Certificate)
Microsoft Certified Azure Data Scientist Associate
Professional Scrum Master
Microsoft Certified Professional
Machine Learning
Creating Windows Applications using Visual Basic
CompuTeck
Jul 2010 - Sep 2010
C# 4.0
FCI, Cairo University
Dec 2009 - Dec 2009
MCPD Designing and Developing Windows Applications Using the Microsoft .NET Framework 3.5
MCPD Designing and Developing ASP.NET Applications Using the Microsoft .NET Framework 3.5
MCTS Microsoft .NET Framework 3.5, Windows Forms Application Development
Basic Business Skills Acquisition (BBSA)
Future Generation Foundation (FGF)
May 2009 - Aug 2009
VB 2.0
Ministry of Defence Information Systems Institute
Mar 2007 - Mar 2007
MCTS Microsoft .NET Framework 3.5, ASP.NET Application Development
Microsoft Specialist Programming in HTML5 with JavaScript and CSS3

Training
Statistical Learning
Stanford University Online
Feb 2014
Data Science Specialization
Coursera
May 2017
Deep Learning Specialization
Coursera
Nov 2017
TensorFlow in Practice Specialization
Coursera
May 2020
TensorFlow in Practice Specialization
Coursera
May 2020
Data Scientist with R track
DataCamp
Mar 2017
Python Programming track
DataCamp
Dec 2019
Show credentials
Python Programmer track
DataCamp
Dec 2019
Show credentials
Testing Design and Techniques
SECC
Sep 2013
Machine Learning Fundamentals with Python
DataCamp
Mar 2020
Show credentials
Data Scientist with Python track
DataCamp
Nov 2017
Show credentials
Machine Learning Scientist with Python track
DataCamp
Mar 2020
Show credentials
Introduction to R
DataCamp
Jan 2015
Show credentials
Importing Data in R (Part 1)
DataCamp
Jan 2017
Show credentials
Importing Data in R (Part 2)
DataCamp
Jan 2017
Show credentials
Data Manipulation in R with dplyr
DataCamp
Feb 2017
Show credentials
Cleaning Data in R
DataCamp
Jan 2017
Show credentials
Writing Functions in R
DataCamp
Jan 2017
Show credentials
Importing & Cleaning Data in R: Case Studies
DataCamp
Jan 2017
Show credentials
Object-Oriented Programming in R: S3 and R6
DataCamp
Jan 2017
Show credentials
Intermediate R
DataCamp
Dec 2016
Show credentials
Intermediate R - Practice
DataCamp
Dec 2016
Show credentials

Hobbies

  • Learning, Researches, & Information Gathering
  • Sudoku
  • Chess
  • Football