Freelance web developer vs senior web developer

Differences between freelance web developer and senior web developer duties and responsibilities

Freelance web developer example responsibilities.

• Develop a new platform to manage the storage boxes and inventory using Laravel and D3.js.
• Ensure sound design and programming techniques are deployed using PHP, JavaScript, MySQL, CSS, XHTML.
• Design and develop a new website for the department using HTML5, CSS3, PHP, and JavaScript.
• Resolve issues on clients' websites that drastically affect their functionality and performance using PHP, JavaScript, and CSS customization.
• Recommend moving from current HTML pages to static PHP pages with search engine friendly URLs and MySQL for data manipulation.
• Use of AJAX to for connecting to API's and sending form submissions while notifying users of success without page reload.
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Senior web developer example responsibilities.

• Manage project, create project requirement documents, design modular SCSS file structure, create and assign tasks to other developers.
• Develop LARAVEL application for managing google analytics test.
• Manage multiple web and database servers in multiple locations to ensure constant availability, functionality, synchronization and security.
• Develop all the UI pages using extensive markup and scripting languages (HTML, DHTML, JavaScript and CSS).
• Convert data from database into JSON format files and retrieve useful information using AJAX calls to render the response in UI.
• Develop AJAX base web base UI framework by utilizing JQUERY library.
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