- Scalability Optimization: Spearheaded vertical and horizontal scaling initiatives within Okala's sales and order management infrastructure, facilitating a substantial surge from processing 30,000 to 150,000 orders per day within a twelve-month period.- Microservices Integration: Directed a skilled team in transitioning legacy codebases to a microservices architecture for core functionalities including Ordering, Basket, Payment, and Financial Invoicing. Leveraged Kafka Streams and… Show more - Scalability Optimization: Spearheaded vertical and horizontal scaling initiatives within Okala's sales and order management infrastructure, facilitating a substantial surge from processing 30,000 to 150,000 orders per day within a twelve-month period.- Microservices Integration: Directed a skilled team in transitioning legacy codebases to a microservices architecture for core functionalities including Ordering, Basket, Payment, and Financial Invoicing. Leveraged Kafka Streams and Orleans framework, resulting in enhanced scalability and operational efficiency. Show less

Facilitated the Crypto Exchange redesign process

- Empowered the revenue of crypto farms by 30% by building a monitoring solution.- Facilitated an IoT platform to diagnose analog and digital devices automatically.- Achieved increased growth in parallel works using Go (core processes) and Python (proxy services).- Doubled the acceleration of supply chain solution for stock tracking processes by separating bounded contexts in multiple microservices using CQRS and DDD approach in 10 farms.- Eliminated 30% of hardware resources by… Show more - Empowered the revenue of crypto farms by 30% by building a monitoring solution.- Facilitated an IoT platform to diagnose analog and digital devices automatically.- Achieved increased growth in parallel works using Go (core processes) and Python (proxy services).- Doubled the acceleration of supply chain solution for stock tracking processes by separating bounded contexts in multiple microservices using CQRS and DDD approach in 10 farms.- Eliminated 30% of hardware resources by upgrading to Docker.- Orchestrated three cross-functional teams by agile methods. Show less

- SabaCell were known by Deema.- Transforming to the robust distributed infrastructure and integrated teams granted us the opportunity to reengineer all services including outsourced services or manual services with more quality.- Aggregating many marketing services in the form of a platform as workspaces such as: - Affiliate marketing for C2C advertising - Social branding for influencers - Pop-up advertising for increasing install rate - Display ads for… Show more - SabaCell were known by Deema.- Transforming to the robust distributed infrastructure and integrated teams granted us the opportunity to reengineer all services including outsourced services or manual services with more quality.- Aggregating many marketing services in the form of a platform as workspaces such as: - Affiliate marketing for C2C advertising - Social branding for influencers - Pop-up advertising for increasing install rate - Display ads for display banners beside our channels. - Video ads - Search ads for app stores and search engines. - In general, we displayed more than 100 million daily advertisement request traffic. - We were building multi-tenant online video and game stores in more than 5 MENA countries on 25 telecom operators to use their renewal payment services. Bazili is a game store example created by this solution.- We redesigned the Kanape video streaming platform to tolerate more traffic and improve the user experience.- We were building multi-tenant online video and game stores in more than 5 MENA countries on 25 telecom operators to use their renewal payment services. Bazili is a game store example created by this solution.- We redesigned the Kanape video streaming platform to tolerate more traffic and improve the user experience.- Also, we were developing a reactive open-source framework based on Github. We covered more than 7.5K concurrent queries after using this framework and its conventions. - I hired more than 40 smart and talented people and mentored or led them. Show less

- Transitioned to choreography microservice stack in less than 6 months from a legacy monolith system.- Developed booking and discount infrastructure services and delivered to 4 teams(Hotel, Flight, Train, Tour).

• Engineering lead for SabaCell Value Added Services, from conception to launch. • Engineered, from concept to launch, an innovative new decision tree for executing more than 100 text-based game services for 8 million daily users by SMS solution for all available operators like MTN, MCI, and RighTel.• Reduced read speed to almost half by setting up Memory-Optimized-Tables and Column-Store-Indexes in SQL Server 2014