Hello,
I can update products in Bigcommerce via API.
I’m a professional web developer with more than 17 years experience co can carry out all your requirements.
My main specialization is LAMP stack of technologies (Linux, Apache, MySQL, PHP) but also I have experience with Python, Node.js and .NET stack of technologies too. I have a deep experience with different PHP Frameworks such as Zend Framework, Symfony, Laravel, Yii, CodeIgniter, CakePHP as well as different open source solutions e.g. Magento Ecommerce platform, WordPress, Drupal, etc.
Let me know if you are interested and feel free to contact me