Applied online through their website and received an invite to the online test using hackerrank within 2 weeks. One problem with 1.5 hours. Fairly standard however I could not work out a final bug.

An extremely inviting, positive, and supportive process. All rounds were filled with receptive interviewers who were seemingly genuinely interested in understanding your motivations and problem solving skills. I have interviewed for other companies and have never felt this level of quality.