编辑以下文章，使之流畅且易于理解。注意文章的逻辑结构，语法和拼写。
Mary is a software engineer who has previously worked at Google, Apple, and Facebook. Today, she is working remotely for a startup company. In her current role, she is responsible for the development of the company’s new mobile app. She is an expert in coding languages such as Python, Java, and Ruby, and has a strong ability to work under pressure. Mary is also passionate about mentorship and teaching others how to code.
Mary is a software engineer with prior experience working at Google, Apple, and Facebook. Currently, she is working remotely for a startup company. Her primary responsibility is to develop their new mobile app. Mary has expertise in coding languages which include Python, Java, and Ruby. She can work efficiently under pressure. Apart from her work, Mary is keen on teaching others how to code and enjoys mentoring others.