Pros
Working at Flatiron has been the most rewarding experience of my career so far. My coworkers are a pleasure to work with -- across the board they are not only extremely smart but also very humble and collaborative. Individuals have a lot of freedom around how to do their jobs and there are many opportunities to make a direct impact on the success of the organization. There is a strong culture of teaching/learning and I am constantly learning new knowledge and skills. I have a huge amount of respect for the founders and really feel like they care about our well-being. Finally, the mission is real. Many tech companies claim to be making the world a better place but at Flatiron you are actually coming to work every day and making a difference in the fight against cancer. The company has a lofty vision but I think is very well positioned to be successful and it feels like a privilege to be a part of it.
Cons
Flatiron is growing very fast and you need to be comfortable with change and ambiguity to be successful here. As a young company there are a lot of new processes being rolled out and these are never perfect the first time around. However, there are many avenues for feedback which are effective if you take advantage of them.