Pros: The people: smart, empathetic, friendly; it is fun and motivating to work with leaders in their fields. Management: inspires faith in the direction they are taking the company, encourages stretching your comfort zone, is adaptive to circumstances, offers clear leadership while also being open to feedback. The work: challenging, ambitious projects. The tech: maintains several very active open source projects, including Apache Spark, and carefully adopts new technologies where it can provide long-term benefits. Growth trajectory: The company is doing really well financially, and you get to see how companies of this scale grow as fast as possible.

Cons: Can be stressful with lots of work to accomplish under sometimes strict timelines, especially for larger projects.

Pros: It's nice working with such intelligent and nice people. The lack of politics is great, too. The company is growing quickly.

Cons: There's a fair amount of technical debt, although this is improving.

Pros: Working with the smartest people on the most challenging problems at massive scale. A very open and welcoming culture.

Cons: The company is growing at a very fast pace, which might make it challenging to integrate new employees.