Yonas Alem

Developed high-performance backend APIs using PHP and gRPC, including defining service contracts with Protocol Buffers, implementing service methods, and ensuring efficient data serialization and communication. Built and structured a responsive user interface using React.js, establishing component hierarchies, state management, and reusable UI patterns for improved maintainability. Integrated frontend and backend systems through gRPC-Web, developing robust client-side communication scripts to enable seamless interaction between the React application and PHP backend. Automated testing and routine operations by writing comprehensive automation test suites and cron job scripts, enhancing reliability and reducing manual overhead. Enhanced deployment pipelines by refining Docker configurations and deployment scripts, ensuring reproducible environments and smoother application rollouts. Optimized database performance and API efficiency through advanced query tuning, caching strategies, and architectural improvements to handle higher loads with lower latency. Designed, developed, tested, and deployed scalable backend APIs for the GovAssist project, ensuring robust performance, security, and maintainability across all environments.

Transitioned legacy PHP APIs to Node.js, successfully migrating existing functionalities and ensuring full compatibility and integration with the React-based User interface. Implemented advanced report export features supporting multiple formats including CSV, XLSX, and JSON, enabling flexible data sharing and analysis. Integrated Google Cloud Storage (GCS) for automated upload and management of generated reports, improving scalability and reliability of data storage. Developed and maintained RESTful APIs using Node.js and Express, including dependency setup, route creation, middleware integration, and handling of complex HTTP request flows. Integrated backend services with analytics and monitoring tools, enhancing performance tracking, error detection, and operational visibility.

Developed user interfaces utilizing React, transforming HTML-based templates into their React counterparts Integrated applications with backend APIs, facilitating data exchange and enhancing application functionality Integrated APIs with Payment SDKs to enable seamless online transactions Optimized web performance through techniques such as page splitting, resource cutting, and server-side rendering Conducted website testing using tools like Lighthouse and GTMatrix, ensuring optimal user experience and performance and able to improve performance to 98% overall score on Lighthouse.

Developed and maintained an e-learning platform using the Moodle Content Management System (CMS), customizing features to enhance user engagement and learning experience. Translated Figma designs and wireframes into responsive, pixel-perfect user interfaces using React.js and Material-UI, ensuring consistency with design standards and accessibility guidelines. Designed and implemented backend APIs with Node.js, GraphQL, and MySQL, enabling efficient data retrieval, schema management, and seamless communication between frontend and backend services.

Conducted acceptance testing and documented implementation workflows for registration systems, ensuring accuracy, reliability, and alignment with business requirements. Developed and maintained RESTful APIs for multiple systems, enabling smooth integration, scalability, and efficient data exchange across services.