Zalando's Partner Tech division, responsible for data sharing and collaboration with partners, found itself managing a fragmented and inefficient process.
A well-designed API feels invisible, it just works. Behind that simplicity lies a set of consistent design principles that make APIs predictable, secure, and scalable.
In Tinder's case, deep inter-dependencies between those targets stretched what engineers call the critical path, which is the longest chain of dependent tasks that determines how long a build takes.
