Design a centralized experimentation service
Source: interviewintermediate
WHAT IT TESTS: platform thinking for shared experimentation. OUTLINE: a config/assignment API, deterministic SDK-side bucketing, and a separate exposure-logging pipeline.
WHAT IT TESTS: whether you can design experimentation as a platform serving many teams and clients consistently. ANSWER OUTLINE: a control plane stores experiment definitions, allocations, and targeting; clients pull config and run identical deterministic bucketing locally via shared SDKs so web, iOS, and Android agree on the same hash; a decoupled exposure-logging stream records who saw what for analysis.
Read the original → interview
- #experimentation
- #platform-design
- #feature-flags
- #sdk
- #scalability
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