This is a job advertisement. It won't please everyone. Most job ads look like the same face. Passion, mission, changing the world, competitive pay, flexible work, diversity and inclusion. Add a universal line: If you love challenges, embrace change, and have a sense of ownership, welcome to join us. Of course, we could write it this way. But that’s like saying during a blind date, "I’m kind, sincere, and responsible"—saying it is the same as not saying it at all. So we will only talk about one thing. A thing that is rarer, more real, and harder to disguise. You know what it should look like. You see something that could clearly be better, and it makes you physically uncomfortable. It might just be the wording of a button, an error code of an interface, or a default value in a process. But it feels awkward, awkward enough that there’s a voice in your head that keeps ringing. No one asks you to, but you will go and change it. Because you can’t sleep if you don’t. You know how to make it right, so you take action. Just pulling out the thorns. Also: you rarely use "I think" to explain good or bad. What you say is the conclusion—"it should be like this here" "that will break" "this design will eventually be slapped in the face by reality". Such people are rare. Most people can get something done, but "getting it done" and "knowing what it should look like" are two different things. The former requires execution, while the latter requires this ruler—called harmony in music, elegance in code, and temperament in products. The same ability, different mediums, we call it aesthetic taste. We believe that the attitude towards work is one thing, but without aesthetics, everything will have problems. Those without this ruler, when encountering problems, the first reaction is to find blame—whose fault it is, who will take responsibility, how to explain it when something goes wrong. This system works well in many places. Just not here. You’ve probably been in such a place. You do what you can, but there’s a voice in your heart that never quiets: it’s not yet what it should be. But the ceiling in that place is right there, resources, pace, or just the people around you have a different definition of "good enough" than you. That’s painful. A low-frequency, persistent sense of waste: you’re pushing forward every day, but you know you could be going full speed. We want to eliminate this sense of waste and bring together people who share the same ruler. When the people around you are also sensitive to "not good enough," the sense of waste disappears. What remains is another feeling: you can finally go full speed. You don’t know who he is, but you changed his work today. At this moment, there is someone using a tool to accomplish something that took an entire team three days to finish three years ago. He doesn’t know how this tool was made. He only knows it works and is good enough. This can happen because someone paved the way—how to resume interruptions, how to reduce exceptions, how to isolate permissions, how to store memories. These problems aren’t sexy, but if answered incorrectly, all the beautiful presentations will quietly collapse in the production environment. Dify is doing this. We run on 1.4 million devices across 175 countries and regions. Someone you’ve never met, perhaps an administrative staff member at a hospital in Helsinki, is using it to process referral records that have been backlogged for two weeks. He doesn’t know who you are, but today he got off work on time....