Adham Mamdouh Email & Phone Number

Cairo, Cairo Governorate, EG

London Area, United Kingdom

• Architected the entire backend microservices architecture from scratch, analyzing product features and evaluating available alternatives to make informed decisions.
• Established the foundational structure of the codebase, integrating authentication and authorization mechanisms using Auth0.
• Integrated with Google Calendar to retrieve and manage current user events, enhancing user experience.
• Designed and implemented data storage solutions using MariaDB and Redis, improving data retrieval efficiency.
• Developed custom solutions for Google Calendar API integration, resolving synchronization issues and managing user data effectively.
• Contributed to the alpha release of the product, ensuring timely delivery and comprehensive feature implementation.

Cairo, Egypt

• Led architectural decision-making by refactoring and redesigning a high-volume worker from Ruby on Rails to Golang, resulting in a substantial performance and scalability improvement. This directly contributed to.
• Improved response time of Clickhouse Database Queries, serving billions of records, enhancing overall efficiency and accuracy of data retrieval. This aligns with the job description's focus on improving and securing.
• Actively participated in on-call shifts, ensuring system stability and security using monitoring tools like Prometheus, New Relic, and Grafana, guaranteeing uninterrupted system operation.
• Designed distributed systems and microservices for scalability, fault tolerance, and maintainability, supporting architectural decision-making and securing backend architecture.
• Conducted code reviews, providing valuable feedback and promoting code quality within the team.
• Delivered robust and maintainable code with unit and integration tests using a diverse technology stack, including Ruby on Rails, Golang, Sidekiq, MySQL, Clickhouse, Docker, and Kubernetes.

Cairo, Egypt

• Played a pivotal role in a monolithic backend services project, utilizing C# and SQL databases, contributing to the improvement of the overall architecture.
• Led the redesign of the project's database, resulting in more efficient data storage and enhancing integration between Ultimus tools and a new mobile application built with Ionic Angular.
• Significantly boosted the performance of the backend services, ensuring smoother and more responsive system operation.
• Introduced Ionic Angular as the stack of choice for mobile application development within the company, highlighting your role in technology adoption and innovation.
• Cut the development time of the project, resulting in cost-savings and improved product delivery.