• Developed and maintained a robust and scalable backend system using Spring Boot, Microservices, GraphQL, MongoDB and Kafka.• Created REST APIs, designed database schemas, and implemented business logic for the system. • Developed a GraphQL API to enable client applications to query data from the backend system.• Utilized MongoDB to store and query large datasets.• Developed unit and integration tests to ensure the system was working as expected.• Worked with the DevOps team to ensure smooth deployment of the system. • Collaborated with other engineers to design and implement new features for the system.• Maintain code integrity and stability by writing clean, efficient, and reusable code.

● Java Spring Boot REST backend developer● Design and Develop applications backend using Python Django Rest Framework● Communicate with the frontend team to deliver requiredAPI endpoints● Participate in the design process for new projects● Participate in scrum ceremonies● Develop, extend and customize existing Odoo modules tomeet customer requirements● Integrated Egyptian e-invoice with Odoo ERP system which is now a featured product in the company.● Deploying and running projects inside docker containers