Rayyan S. Email & Phone Number

• Created a Component Design for services that includes class diagrams, object-level detail, and integration contracts to describe the component's constituents.
• Implemented an Authorizer service using Python 3.9 to validate REST API calls using AWS Cognito tokens. Set up Cognito user pools for the Authorizer to generate ID and access tokens.
• Developed a Pre-token generator lambda function using Python that triggers in the authentication flow to customize the ID token by adding the account ID and profile ID from the Account domain service.
• Developed scripts to integrate AWS API Gateway with custom headers using an authorizer and to map HTTP status codes from a lambda function to the API Gateway. These scripts allowed for seamless communication between.
• Designed and implemented a dashboard using Splunk to monitor service logs and provide statistical and graphical analysis of API traffic. Created visual representations of logs to facilitate data analysis and.
• Built Notification Platform that sends thousands of Batch and Transactional notifications daily.

Madison, Wisconsin Area

• Developed CaseManager application using microservices API for independent and Autonomous management by Using Decomposition pattern.- Developed CaseSearch and CaseManager microservices of this application using Spring.
• Implemented Microservice API using SpringBoot and Spring Cloud.
• Implemented Hystrix API for fallback mechanism to handle the failure or data exceptions.
• Used Hibernate queries with pagination, filtering, join and Spring Data JPA for implementing DAO implementation Layer.
• Implemented distributing tracking system using Sleuth-Zipkin API.

Santa Clara, California

- Worked closely with teammates develop modular functions that can be merged together and create Point of Sale application, which was used by Walmart.- Assured quality of the product that can handle millions of transactions every week by examiningthe accuracy of GPS, range of Wi-Fi, payment system and Bluetooth connections.- Tested the functionality of.

- Trained more than 30 student employees on professionalism skills- Advised and refined mentees on their presentations for student support services provided by American River College.- Served on a hiring committee to select potential student ambassadors; trained in best practices for equitable hiring.

Sacramento, California Area

- Connected students with ARC school resources such as scholarships, tutors, programs and clubs.- Assisted students with course selection according to their major.- Promoted events by distributing flyers and making phone calls.

Computer Science

Activities and Societies: President of International Life

Bachelor'S Degree, Computer Science

Activities and Societies: Treasurer of International Friends Association