Hi,
I can develop those interactive financial charts for your web app using d3js.
Please contact me for more details and samples of my work.
Over 10 years of experience in PHP, WordPress, Magento, HTML5, PostCSS, CSS Modules, LESS, NodeJS, AngularJS, ElasticSearch, ReactJS, Gulp, AWS, MySQL, MongoDB, Socket.io.
Best regards,
Dmitry