Khaled BHassan

• Developed and maintained Vue.js applications (Vue 2 & 3), integrated with a PHP/Magento backend. • Contributed to the migration of a food assistant app from Magento to Vue 3, improving maintainability and performance. • Contributed to the upgrade of backend systems from PHP 7.4 to PHP 8 using Rector and PHPStan, enhancing stability, performance, and security. • Built a proof-of-concept for migrating from MySQL 5.7 to MySQL 8, laying groundwork for future database upgrades. • Achieved a 32% reduction in bundle size by strategically substituting bulky libraries like Lodash with optimized TypeScript functions, enhancing application performance. • Enhanced code reliability and maintainability by improving unit test coverage. Utilized PHPUnit for backend testing and Jest for frontend, ensuring comprehensive coverage and quality. • Added end-to-end testing using the Cypress framework, significantly improving our application's testing regime and ensuring a robust, user-friendly product. • Continuously grew expertise in Magento 1.x, Git, Jenkins, Docker, and CI/CD workflows. • Acquired and honed skills in Magento 1.x, Git, Jenkins, Vue.js 3, TypeScript, and Docker, demonstrating versatility and continuous learning in a dynamic tech environment.

• Developed & designed new ERP systems and upgraded existing ones for use by business clients. • Collaborated with different IT teams (Developers,Designers,Devops) to establish and test interfaces. • Worked with internal and external business partners to streamline business processes, improve operational efficiencies and identify current issues. Technologies background : Laravel, Vue js, SQL, Git, Agile Scrum, Jira.

• Worked alongside project manager to process the migration of an online survey tool made available to the company's customers in SaaS mode. • Developed a graphical redesign using VueJs and it's ecosystem with a focus on obtaining userfriendly interfaces. • Updated analysis modules and the restitution of data in real time. • Tested and integrated multiple modern Business Intelligence technologies. • Collected and filtered data from internal IT systems and external sources, prepared it for analysis, and customized queries against the data in order to create data visualizations. • Exploited open-source repositories with the aim of Integrating a Python-ColdFusion bridge executing the required Python libraries (such as Pandas,Bokeh) in company's ColdFusion servers. Technologies background : ColdFusion 18, Python 3, Git, VueJs, VuetifyJs, Microsof SQL Server, Power BI, Qlik Sense, Zoho Analytics, Linux (Ubuntu), Windows Server 2012.

• Designed and implemented a MEAN stack chat web application. • Integrated Facebook,Google and Instagram APIs for registration and other purposes. • Implemented end-to-end encrypted conversations. Technologies background: MongoDB , Express.js , AngularJs , Node.js , Socket.io ,JSON, Bootstrap, Social Media APIs.