Role:

• Ensured the seamless and efficient operation of the platform.
• Strategized and built substantial modules and features for the platform.
• Gathered customer requirements and crafted fitting solutions.
• Supervised remote developers newly recruited for diverse projects.
• Conducted thorough testing on all developed modules to rectify bugs.

Accomplishments:

• Performance Boosting: I improved the main billing system's performance significantly and make it (15 times faster).
• Api Design: I developed a secure asynchronous RESTful API intended for consumption by various services. The API architecture prioritizes authentication measures (JWT/Basic), implements security measurements and validations for subsequent calls, ensures standardized usage of HTTP error and response codes, and incorporates efficient versioning strategies.
• Modem emulation: I converted a physical modem's logic into a software-based system. I also translated all its protocols, boosting its capacity and reliability to efficiently manage a significantly larger volume of traffic.
• Migration: I upgraded legacy tools and associated legacy Libraries to modern versions
• Email Server Optimization:I reduced email server load by integrating a transactional email service, to shift the load of handling emails to a third party.
• E-Wallet Integration: I created a wallet system that works with different online payment methods, allowing clients to manage their transactions easily.
• User/Role Managment: I developed a secure system for multiple users with specific roles, adding extra security like two-factor authentication and a recovery process. It met advanced standards needed to comply with banking regulations.
• Notification Managment: I designed a personalized notification system that adapts to user's (preferences, actions, channels). This system prioritizes delivering notifications to clients while storing other notifications for convenient future access.
• Bulk Operation Managment I developed a 'Bulk Operation Manager' to simplify complex and time-consuming processes for customers. allowing them to do jobs in batches.
• Customizable File Transfer I developed a reliable service to automatically transfer daily required files from one server to clients' servers. It's highly customizable and secure to meet future requirements from all involved parties.
• Stack used (PHP5, PHP8, Jquery, Datatables )

Role:

• Engage with client to gather project requirements, conducting meetings to plan project resources, workflow, and timelines.
• Oversee front and back-end teams, ensuring optimal performance and providing guidance as needed.
• Assure smooth and fast progress throughout the development cycle.
• Recruit, and oversee the integration of remote developers and additional team members.
• Conduct exhaustive testing of developed modules using automated and manual methods to eliminate bugs and ensure flawless operations.
• Execute project deployment and monitor system logs for performance optimization and checking sub systems status.
• Dedicated tests related to the security of the project and the subsystems.

Accomplishments:

• Properties Searching Platform: I developed various modules that allows tenant/landlord to use the platform like (Units Browsing, Units Listing, Backoffice Operations, Update Properties & Upload Media, Meetings scheduling, Payment Gateway integrations, Contract printing ... )
• Tenants Workflow: I developed a system where tenants can see available units, schedule visits to properties, and make deposits/payments until they finalize their contract.
• Printing Documents: I automated the process of generating digital e-signed contracts, invoices, bills for deposits and rental, In addition to all related receipts and E-mail confirmations.
• Inventory Managment: I developed a specialized Inventory system to track property's inventory changes accurately I also generated reports at checkin/checkout stages.
• Notification Managment: I implemented a tailored Notification system for specific actions linked to Buildings and Units for both Landlords and tenants, Related to new offer, reply, contract, payment and new ticket ....
• CRM System: Developed CRM system for efficient management of Clients/landlord information. Responding to offers/visits/tickets/chat and track progress of offers, contract and payments.
• Testing: I implemented both manual and automated test scenarios based on previous bugs and flaws discovered to enhance system robustness and security to encourage new customer to use the platform
• Agile Project Adaptation: I have successfully adapted the project to the rapidly changing market requirements. Thanks to good project architect.
• Cloud Deployment and System Operations Supervised cloud deployment, hosting, platform and OS updates, database backups, certificate renewals, and user management.
• Tech used : (Azure, Windows Server, Linux CentOS7, AWS Buckets, ReactJs, CSS3, Datatables, C# 7, .Net Core 3, Entity, MSSQL Server 2019, CodeceptJs)

Role:

• Analyze project requirements to plan resource allocation and set expected project deadlines.
• Lead and oversee both frontend/backend teams' operations.
• Provide guidance and training to new team members transitioning to the new tech stack.
• Conduct ongoing feature tests within the project and implementing necessary corrections.
• Conduct regular client meetings for necessary modifications integration.
• Conduct routine developer meetings to ensure project alignment.

Accomplishments:

• Properties Managment Platform: I developed project modules like (Interactive dashboard, Payment tracker, Help Desk, Maintenance requests, Chat system ...)
• Api Design: I designed the project API layer for seamless integration with Front End.
• Notification System: I developed customized Notification system to inform Landlord/Client about pending actions and previous events.
• Custom Chat System: I created a secure three-way chat system, ensuring privacy for relevant parties and give sense of progress.
• Back Office System: I developed a back office services for comprehensive project functionality management.
• Printing: I implemented a dynamic printing system for invoices and contract in addition to unit inventory.
• Testing Conduct comprehensive manual and automated tests in addition to performance tests to optimize system efficiency and ensure seamless action flow across the platform.
• System Operations: Managed cloud deployments, hosting, updates, and user administration using Azure, Windows Server, MSSQL Server 2019, React, SignalR, C#, Entity, and .NET Core 2.2.

Role:

• Oversee the process of goods selection and importation from overseas.
• Provide specifications for mechanical parts and electronic boards required for diverse projects.
• Strategize, design, and execute new IoT solutions focusing on farm and solar system grids.
• Identify optimal solutions considering time, cost, and quality for project requirements.

Accomplishments:

• IoT Based Farm Monitoring: Designed an IoT system for monitoring greenhouse parameters utilizing offline, Wi-Fi, and internet connections through Esp32 and a network of Arduino boards and sensors.
• IoT Data Acquisition: Developed an embedded data acquisition system for solar panels, utilizing the MAX485 industrial protocol, allowing remote monitoring and capturing all string readings (Current, Volt, Temperature) within 1 second.
• High speed ADC data sampler: Develop an 80Mhz ADC data sampler and store collected data for further analysis using DMA and interrupts of High end Cpu, the system is able to put any malfunctioned Solar panel offline to ensure the optimum efficiency of the system.
• Farm versatile monitoring App: Develop a system to monitor the green house parameters like Heat, Humidity, CO2, Light intensity, Water turbidity, to adapt to multiple farms requirements.
• Back end storage: Create a system to gather and save all the data we collect, making it easy to see and use.
• Tech used: (Arduino nano, Arduino Duo, ESP32, ESP8266, NXP LPC4370), (C#, .net, MSSQL, nodeJs, expressJs)

Role:

• Project Prototyping and Testing: Led teams in designing and testing various prototypes for many interesting Projects.
• Planned and Executed Projects: Managed the creation of mechanical/electrical projects within the allocated budget and time.

Accomplishments:

• Solar panel effecincy experiments: Boosted Solar Panel Efficiency: Design and develop a 2-axis solar tracking system that improved panel efficiency by adding 2 mirrors on sides and keep the panel perpendicular to the sun rays.
• CNC Milling Machine: Developed Mini & Rigid CNC Milling Machine: Built a precise 3-axis CNC Milling machine with linear and circular interpolation functions written in C/C++ for prototyping. achieved accuracy of 10um. with (Proximity inductive sensors, Ballscrews, Rigid structure), Able to machine Aluminum and Acrylic.
• Flower shaped solar tracker: Solar Tracking Design: Designed a solar tracking in shape of flower that follow the sun's movement mimic the flower by opening and closing its petals.
• CNC Tool Path Generator: I developed a CNC Tool path generator using C# and bitmap processing that convert 3D STL models into 2d bitmaps slices and generate milling toolpath.
• 3-Axis Robot: I designed and printed a 3-Axis robot using Arduino and 3-Axis interpolation algorithm. The robot support P2P programing in addition to manual control.
• Hand Grip: I designed and machined a Hand grip that is controlled via PC software with arduino and RC servo motor.
• Cycloidal Gear: I designed and machined a simple cycloidal gear to test its features including high torque in compact space.
• Tech used (Arduino Due, Arduino Uno, C/C++, C#, Aforge)

Role:

• Constructed a web app managing company services, advertisements, and client interactions via a CRM system.
• Developed an Android app catering to magazine users, delivering real-time push notifications updates specifically focused on the dental industry.
• Contributed to the upgrading of a Pharmacy Management app, integrating POS, Billing, and Inventory functionalities using WPF.

Accomplishments:

• Engineered an Android app making direct connections between clients, advertisers, and poster creators, effectively boosting marketing strategies for company services using Sockets.
• Designed and implemented a robust CRM system for handling client data and streamlining workflow processes.
• Tech used: Azure, Android Studio, C#, Sockets, WinForms, and Microsoft SQL Server 2008.

Role:

• Supervise the maintenance operations, and check that fixes are done in the best possible way
• select and specify the technical specs for upgrading the HVAC system and fire system

Accomplishments:

• I developed many projects for different clients including: Desktop, Web and Android applications, Embedded Systems, and prototypes for mechanical devices