I applied to job opening on the Developers APIs team in Seattle on LinkedIn Jobs. Recruiter reached out a day or two afterwards and scheduled me for a phone screening — on coderpad.io — that went fairly smoothly. However, it seemed I didn't leave a strong impression on the interviewer so I was scheduled for a second phone screening that went really well. I was then promptly invited for a full day of on-site interviews at Square's HQ in San Francisco. The on-site interviews were very well organized; an interview coordinator was in my reception, showed me around, made sure my interviewers showed up on time and stayed on schedule. Interviewers were very friendly and helpful. The interviews comprised 3 peer programming sessions, 1 design/architecture session and 1 in-depth walkthrough of previous project work on my resume. During the coding sessions, I worked with my interviewers on computers equipped with a pair of keyboards and mice to solve questions that were broken down into multiple parts with an increasing level of difficulty. The computers were equipped with dev tools for a wide variety of programming languages but we used coderpad.io because the language I chose to use didn't have an installed toolset. The interviews were truly collaborative — interviewers actually helped me write logging code, corrected minor mistakes, and made suggestions to make things easier. The coding questions were not algorithmic in nature and I was not asked about time or space complexities of my solutions. My interviewers seemed to be most interested in code cleanliness, API simplicity, good organization, and sound functionality. I loved how well organized and well thought out the questions were, but was a little concerned they seemed solely focused on modeling data, e.g. representing entities or rules of a simple game, and did not assess CS fundamentals as much. The recruiter — who was very prompt and punctual throughout the process — reached out immediately on the following day and an offer was made very promptly. I tried negotiating but got a nay. Offered compensation was a little less than what I'd hoped in terms of Base Pay and Sign-on but RSUs were OK. I wasn't sure I liked the work the team I applied for was doing and had another slightly better offer with more interesting work elsewhere. I liked most of the people I met at Square and I think it is definitely a unique place.