- Migrating AI GPU intensive workloads to AWS EC2 GPU optimized instances 

Managing the cloud infrastructure of the apps using the Serverless Framework. • Developing Node.js (Typescript) AWS Lambda functions and integrating them with DynamoDB, API Gateway, and other AWS services. • Designing the backend architecture. • Applying domain manager to support API domains. • Adding analytics using PostgreSQL.

React with TypeScript for front-end development, Node.js with TypeScript and the Serverless Framework for back-end development, deploying AWS Lambda functions. • Utilizing DynamoDB and MongoDB as a NoSQL database and Au- roraDB serverless as a relational database • Developing JavaScript migration scripts for data migration and database management. • Implemented Event Bridges for event-driven architectures and integrations. • Leveraging fan-out patterns using SNS (Simple Notification Service) for broadcasting messages to multiple subscribers with push notifications using Firebase.

• Maintaining AWS infrastructure of customers using cloud formation, systems manager for automations workflows • CloudWatch for monitoring and alerting, CloudTrail for auditing and tracking API activity and Cost Explorer.

Egypt • App for saving patients' medical history and allowing patients to reserve doctors' appointments • Front-end using ReactJS, back-end using NodeJS (JavaScript) and Express, mobile app using React Native • AWS services to mention are Elastic Beanstalk for deploying microservices, Cognito for authentication, AWS Amplify with GraphQL for real-time chat and PostgreSQL for the main database