MUHAMMAD AYOUB
Riyadh,Saudi Arabia
Summary
Professional Full Stack .NET Developer with 6 years of professional experience delivering secure, scalable, and high-performance applications using C# .NET Core, ASP.NET Core, Angular, ReactJS, and Next.js. Skilled in building enterprise REST APIs, integrating Oracle-based systems, and working with Rhapsody Integration Engine for HL7/XML/JSON data exchange. Experienced in implementing IDAM API integrations for secure authentication, authorization, and user lifecycle management.
Experienced in full SDLC, Agile methodologies, OOP, and clean architecture principles. Successfully delivered critical UAE government projects, including Dubai Health Authority, where I led major tasks such as system migration from the old server to a new production environment, ensuring zero downtime and smooth transition. Proven ability to translate complex business requirements into reliable, maintainable solutions while collaborating effectively with cross-functional teams and stakeholders.
Overview
4
4
years of post-secondary education
6
6
years of professional experience
Work history
Sr. Application Support Engineer L2/L3
IT Cloud Solutions
Riyadh, Saudi Arabia
2026.03 - Current
- RCM Error Analysis — Handle and resolve complex claim submission errors including Internal Errors, NPHIES validation errors, medical data mismatches, doctor license issues, member ID missing, and approval URL failures.
- Root‑Cause Investigation — Perform deep root‑cause analysis across database, backend APIs, and frontend modules to identify the exact failure point in the claim lifecycle.
- Database‑Level Fixes — Apply direct SQL‑based corrections for data integrity issues such as missing member details, incorrect CPT/ICD codes, invalid provider mappings, and claim structure inconsistencies.
- NPHIES Compliance Support — Ensure claims meet NPHIES standards by validating XML/JSON payloads, correcting mandatory fields, and resolving payer‑side rejection reasons.
- Backend API Debugging — Debug .NET Core APIs to fix logic errors, broken workflows, incorrect mapping, and failed integrations with payer systems.
- Claim Lifecycle Monitoring — Track claims from submission → validation → approval → rejection → resubmission ensuring minimal turnaround time.
Senior Full Stack Developer
Datacell Solutions
Dubai, UAE
2024.01 - 2026.02
- Developed RESTful APIs from scratch in .NET 8 for the Sir Bu Nair (SBN) Mobile App, implementing JWT authentication and policy-based authorization for secure access.
- Designed and implemented backend logic for Turtle Monitoring, Nest Exhumation, Bird Monitoring, and Other Biodiversity Monitoring activities, supporting complex user inputs and media uploads (camera/gallery).
- Manage DHA Portal with internal and external services.
- Integrated Oracle systems using .NET Core, PL/SQL procedures, and optimized data exchange workflows.
- Worked with Rhapsody Integration Engine to build HL7/XML/JSON interfaces for healthcare and enterprise communication.
- Implemented IDAM API integration for secure · authentication, token-based access, and enterprise-level user management.
- Create wrapper services for frontend.
- Frontend design on React/NextJS backend .NET Core with Rest API.
- Consume third part APIs.
- Staging and Production APP Deployed on Linux server via CI/CD Pipeline.
- Design, develop and support the in-house software applications.
- Develop REST APIs in .NET Core 8 to integrate different applications.
Mid-Level Full Stack Developer
Affiliate Mates Network
Dubai
2023.01 - 2024.01
- Designed and developed secure REST APIs using .NET Core 6 and EF Core (Code First).
- Built dynamic frontends in Angular 15 and integrated with backend services.
- Implemented unit testing to ensure code reliability and maintainability.
- Participated in sprint planning, daily standups, and retrospectives.
- Plan, Design and implement production architecture & installation of CRM.
- Design and implementation of various processes in applications such as Data conversion, Batch Jobs
Jr .NET Developer
BMC Solution
Karachi,Pakistan
2020.08 - 2023.01
- Create Dynamic Workflow Management System.
- Designed and developed secure REST APIs using .NET Core 5 and Dapper ORM.
- Built dynamic frontends in HTML/CSS/Bootstrap and integrated with backend services.
- Implemented unit testing to ensure code reliability and maintainability.
- Participated in sprint planning, daily standups, and retrospectives.
- · Plan, Design and implement production architecture & installation of CRM.
Education
Bachelor of Science - Computer Science
University of Sindh
Jamshoro Sindh ,Pakistan 2016.01 - 2019.12
Projects -
.
Skills
- ASPNET CORE, NET Core
- ASPNET Web Forms, ASPNET MVC
- Oracle systems integration
- Rhapsody Integration Engine
- IDAM API integration
- SQL, Entity Framework
- Angular, ReactJS, NextJS
- JavaScript, Bootstrap
- HTML5, CSS3, jQuery
- Web Services (WCF), Web APIs
- Windows services
- MS SQL Server, My SQL
- Windows Forms, WPF
- ADONET
- AJAX, Silverlight
- Crystal Reports, IIS, LINQ
- Visual Studio, Visual Studio Code
- XCode, Windows, Windows Server
- Linux, MS SSMS
- Debugging skills
- Good Communication and Presentation skills
- Clean Code writing skills
- Documentation skills
- Problem solving skills
- Quality Assurance skills, Logging skills
Timeline
Sr. Application Support Engineer L2/L3
IT Cloud Solutions
2026.03 - Current
Senior Full Stack Developer
Datacell Solutions
2024.01 - 2026.02
Mid-Level Full Stack Developer
Affiliate Mates Network
2023.01 - 2024.01
Jr .NET Developer
BMC Solution
2020.08 - 2023.01
Bachelor of Science - Computer Science
University of Sindh
2016.01 - 2019.12
Projects -
.