About
JohnYassa
Senior Dynamics 365 CRM Developer with 7+ years delivering enterprise CRM and low-code solutions for UAE government and private-sector clients, including the Abu Dhabi Social Support Authority, the Department of Health Abu Dhabi, and Fawry. Subject Matter Expert (SME) in Dynamics 365 customization, plug-in and workflow development, Power Platform, OutSystems, data migration, and systems integration, turning complex business requirements into scalable, secure solutions for digitaltransformation programs.
Experience
Senior CRM Developer
Abu Dhabi Social Support Authority — Abu Dhabi, UAE | Aug 2024 – Present
• Customize and extend Dynamics 365 (forms, views, entities, relationships, mappings) supporting citizen social-support
services; streamline architecture to reduce workflows and plug-ins.
• Develop plug-ins enforcing business rules and data validation; implement JavaScript on Load, Save, and OnChange form
events.
• Build dashboards and reports with FetchXML, SQL, and SSRS; lead data migration and bulk updates via the XRM SDK.
• Configure security roles, business units, and teams across environments in line with government security policies.
• Customize the Sales module (leads, accounts, contacts, opportunities) and related custom entities to match government
business processes.
• Debug and troubleshoot issues across plug-ins, JavaScript, and integrations, ensuring system stability and rapid resolution of
production incidents.
Senior CRM Developer
TechVista Systems — Abu Dhabi, UAE | Dec 2021 – Jul 2024
• Deployed on-site at the Department of Health Abu Dhabi (2022–2024) as SME across technical requirements, configuration,
user requirements, and upgrades.
• Led client analysis sessions for new CRM implementations; extended the platform with new entities, forms, workflows,
dashboards, and SSRS/FetchXML reports.
• Developed custom workflow assemblies and delivered data migration and integration with external and third-party systems.
• Identified and integrated third-party applications to enhance the CRM ecosystem; performed testing of configurations and
customizations.
• Configured security roles and policies across development, test, and production environments.
• Designed business processes and integrations between Microsoft Dynamics CRM and other enterprise applications.
CRM Developer
Fawry — Cairo, Egypt | Oct 2020 – Jun 2021
• Provided design guidance and requirements gathering for mid- to large-sized Dynamics 365 projects at Egypt’s leading e
payments provider.
• Developed workflows, plug-ins, and entity customizations; designed, tested, and deployed solutions on client premises and
trained end users.
• Met with clients to define project scope; prepared technical documentation and presented progress reports to customers.
• Monitored newly deployed systems post-go-live and resolved production issues to ensure stable, uninterrupted operation.
CRM Developer
Skillhub — Cairo, Egypt | Feb 2019 – Oct 2020
• Scoped and delivered Dynamics 365 implementations end to end: workflows, plug-ins, entity customizations, documentation,
and client progress reporting.
• Designed, tested, installed, and monitored new systems on client premises; organized training for end users and consultants.
Full-Stack Developer (Back-End & Front-End)
I Lamp — Egypt | Jan 2019 – Aug 2020
• Developed desktop and Flutter mobile applications (Doctor, Nursery, and Courses apps) alongside responsive websites,
mock-ups, and prototypes; participated in code reviews with development teams.
• Created visually appealing, responsive sites with user-friendly navigation as a freelance web developer.
Our Department
Our Medical Services – Expert Care for Every Patient
Downlaod it
Accurate testing and screening services to detect, monitor, and manage a wide range of health conditions.
Comprehensive management of diabetes through medication, lifestyle changes, and regular monitoring to prevent complications.
One of the defining features of family medicine is the continuity of care—physicians often build long-term relationships with patients and their families.
Neurology is the branch of medicine that focuses on the diagnosis, treatment, and management of disorders related to the nervous system.
It recognizes that health is influenced by a combination of physical, emotional, mental, social, and spiritual factors.
PROFESSIONAL EXPERIENCE
PROFESSIONAL EXPERIENCE
Senior CRM Developer
Senior CRM Developer (Client: Department of Health Abu Dhabi)
TechVista Systems — Abu Dhabi, UAE | Dec 2021 – Jul 2024
• Deployed on-site at the Department of Health Abu Dhabi (2022–2024) as SME across technical requirements, configuration,
user requirements, and upgrades.
• Led client analysis sessions for new CRM implementations; extended the platform with new entities, forms, workflows,
dashboards, and SSRS/FetchXML reports.
• Developed custom workflow assemblies and delivered data migration and integration with external and third-party systems.
• Identified and integrated third-party applications to enhance the CRM ecosystem; performed testing of configurations and
customizations.
• Configured security roles and policies across development, test, and production environments.
• Designed business processes and integrations between Microsoft Dynamics CRM and other enterprise applications.
CRM Developer
Fawry — Cairo, Egypt | Oct 2020 – Jun 2021
• Provided design guidance and requirements gathering for mid- to large-sized Dynamics 365 projects at Egypt's leading e
payments provider.
• Developed workflows, plug-ins, and entity customizations; designed, tested, and deployed solutions on client premises and
trained end users.
• Met with clients to define project scope; prepared technical documentation and presented progress reports to customers.
• Monitored newly deployed systems post-go-live and resolved production issues to ensure stable, uninterrupted operation.
CRM Developer
Skillhub — Cairo, Egypt | Feb 2019 – Oct 2020
• Scoped and delivered Dynamics 365 implementations end to end: workflows, plug-ins, entity customizations, documentation,
and client progress reporting.
• Designed, tested, installed, and monitored new systems on client premises; organized training for end users and consultants.
Full-Stack Developer (Back-End & Front-End)
Lamp — Egypt | Jan 2019 – Aug 2020
• Developed desktop and Flutter mobile applications (Doctor, Nursery, and Courses apps) alongside responsive websites,
mock-ups, and prototypes; participated in code reviews with development teams.
• Created visually appealing, responsive sites with user-friendly navigation as a freelance web developer.
Medical Professionals
Meet the Health Experts Behind Your Care
Make an Appointment
Book Appointment
treatment Plan
Flexible & Affordable Health Pricing Rates
Basic
Ideal for routine heart health evaluation
$100
/ Per visit- Cardiologist consultation
- Blood pressure measurement
- ECG (Electrocardiogram)
- Lifestyle advice
Advanced
Advanced tests to monitor heart health
$120
/ Per visit- Includes Basic Checkup
- Echocardiogram
- Stress Test
- Heart rhythm analysis
Comprehensive
Full diagnostics and personalized treatment
$133
/ Per visit- Advanced Screening plus:
- 24-hour Holter monitoring
- Cardiac MRI review
- Personalized treatment plan
4.9
"The medical team is incredibly knowledgeable and thorough. I felt confident in their care every step of the way. I'm so thankful for their expertise. I always check Healthline when I have a question about symptoms, medications, or diet. The articles are reviewed by professionals, and I like that they cite their sources. It feels trustworthy and not too overwhelming."
Arietta Preston
"The medical team is incredibly knowledgeable and thorough. I felt confident in their care every step of the way. I'm so thankful for their expertise. I always check Healthline when I have a question about symptoms, medications, or diet. The articles are reviewed by professionals, and I like that they cite their sources. It feels trustworthy and not too overwhelming."
Xeinna Chris
"The medical team is incredibly knowledgeable and thorough. I felt confident in their care every step of the way. I'm so thankful for their expertise. I always check Healthline when I have a question about symptoms, medications, or diet. The articles are reviewed by professionals, and I like that they cite their sources. It feels trustworthy and not too overwhelming."
Sapphire Rose
"The medical team is incredibly knowledgeable and thorough. I felt confident in their care every step of the way. I'm so thankful for their expertise. I always check Healthline when I have a question about symptoms, medications, or diet. The articles are reviewed by professionals, and I like that they cite their sources. It feels trustworthy and not too overwhelming."
Arietta Preston
"The medical team is incredibly knowledgeable and thorough. I felt confident in their care every step of the way. I'm so thankful for their expertise. I always check Healthline when I have a question about symptoms, medications, or diet. The articles are reviewed by professionals, and I like that they cite their sources. It feels trustworthy and not too overwhelming."
Xeinna Chris
"The medical team is incredibly knowledgeable and thorough. I felt confident in their care every step of the way. I'm so thankful for their expertise. I always check Healthline when I have a question about symptoms, medications, or diet. The articles are reviewed by professionals, and I like that they cite their sources. It feels trustworthy and not too overwhelming."
