Yazid KHALDI

With a strong background in backend development, I have extensive experience in building and optimizing financial systems, particularly in the fintech and payment sectors. My expertise spans PHP (Laravel, Symfony) and Node.js, where I have worked on payment integrations, billing systems, and transaction processing. Additionally, I have contributed to serverless projects and worked with PostgreSQL to ensure scalable and efficient database solutions. In my current role, I have tackled challenges related to micropayments, credit card processing, Direct Carrier Billing (DCB), and financial data reporting. I also have experience in designing and optimizing database structures to improve performance, such as implementing separate reporting databases for complex financial analytics.

- Development of new features in WordPress E-commerce website. - Led the implementation of a headless shop architecture, leveraging Shopify as a source to create custom themes and applications, improving site performance and user experience. - Successfully integrated a third-party API, enhancing search engine and payment solutions for users. - Provided continuous maintenance and delivered efficient bug fixes and patch sets, ensuring optimal application performance and stability. - Utilized Advanced Custom Fields (ACF) flexible layouts and custom blocks, enabling dynamic content creation and enhancing the site's visual appeal. - Conducted comprehensive functionality and speed optimizations, resulting in a 34% improvement in page load times and overall site responsiveness. - Engineered a highly scalable application using PHP (Laravel). - Architected and implemented a robust database schema design, optimizing data storage, retrieval efficiency, and overall system performance. - Successfully led a team of junior developers by providing clear project instructions, defining tasks, monitoring progress, and conducting thorough reviews of the final deliverables.