Pros
The product is great, and the company's growth is fast-paced. In certain depts and circumstances, this means there is a lot of opportunity to find your passion and get ahead.
Cons
Dexcom salaries and wages on the whole are below market value. HR told me as much when I negotiated my current wage. Sales, Tech Support, and QA for the most part have incompetent leadership that cover up their shortcomings by hiring and promoting friends and driving out any talent, intellect, or experience that may have accidentally slipped in. I repeatedly see hourly workers who can't do as good of a job as they'd like because they are held back by their Supervisor or Manager. When I was first hired here, a coworker told me "Get everything they tell you in writing. They'll change the rules without telling you and blame you for following the rules that they did tell you." Facilities upper management has an outright contempt for anyone below manager level. I've heard them browbeat people and make threats countless times, publicly shaming people for not making the coworker they just had lunch with swipe their badge when entering. They also send company-wide emails when someone parks poorly.