Abdulrahman Hashem

Backend DeveloperFull Time

• Job Details:● Developed an MTLS-secured integration with a third-party payment provider for bank wallet transfers. ● Designed, developed, and maintained the Right-Now app as a microservice from scratch, a delivery management service. ● Managed a partitioned database to ensure scalability and future growth handling. ● Administered the PostGIS extension in PostgreSQL for advanced geolocation functions. ● Built APIs and documentation for restaurants to facilitate delivery via Right-Now. ● Integrated with food service providers like Foodics and Lyve to receive delivery orders from restaurants. ● Utilized Redis as a cache for tracking users and optimizing performance. ● Implemented an event-driven architecture using RabbitMQ to enable seamless communication between our microservices.

BackendFull Time

• Job Details:● Successfully delivered two applications for a governmental client in Saudi Arabia. ● Developed and maintained the FMS (Funding Management System) to streamline the funding process for cultural programs and initiatives. ● Enabled effi cient grant distribution, contributing to over 80 million SAR in funding, benefi ting numerous participants. ● Streamlined and optimized essential features within a monolithic project. ● Revitalized legacy codebase to improve effi ciency and responsiveness. ● Conducted code reviews and implemented best practices to ensure code quality and maintainability. ● Implemented rigorous testing protocols, including unit testing, to ensure robustness and maintainability. ● Increased unit test coverage from 75% to 98%, ensuring higher code reliability and system stability.

Software EngineerFull Time

• Job Details:● Collaborated with an engineering team to spearhead a Payment Fraud Detection project. ● Implemented and managed essential features while optimizing response times. ● Maintained peak performance, effi ciently handling millions of database records. ● Introduced Celery and Celery Beat for seamless task scheduling and background processing. ● Ensured robust code security by proactively addressing vulnerabilities in code and server confi gurations. ● Developed a JavaScript application for generating device’s fi ngerprint. ● Designed and executed a project leveraging FastAPI for retrieving and setting card BIN details.