went through the HF frontend loop in march 2026. didn't see much written about the FE-specific process so here's my account.
this was for a role on the Hub product team, which is the huggingface.co platform itself. the UI you use to browse models, datasets, spaces. so it's real product frontend work, not ML tooling.
recruiter screen (30 min) pretty standard. they wanted to know my react experience level, whether i'd worked on large-scale SPAs, and what my experience was with performance optimization. mentioned the codebase is heavy TypeScript.
technical screen (75 min) this one has two parts. first: a react + typescript coding problem. i had to build a search-as-you-type component with debouncing, proper loading/error states, and keyboard accessibility (enter key, esc to clear). not exotic but they cared a lot about the accessibility part, which i wasn't expecting going in. second part: a performance debugging exercise. they gave me a synthetic profiler output and asked me to identify what was causing re-renders and propose fixes. knowing react's reconciliation behavior and when to reach for useMemo/useCallback vs just splitting components came up.
UI/product design sense round (45 min) this surprised me. it wasn't a pure coding round, it was a discussion about a feature. they walked me through a hypothetical change to the model card page and asked me to critique the design from a user experience and implementation perspective. they wanted to know how i think about the boundary between what the frontend should own vs what a design system should enforce.
system design (45 min) design a real-time collaboration feature for editing model cards. not super deep but they wanted to see that i understood optimistic updates, conflict resolution strategies, and SSE vs websockets. i think most FE candidates phone this one in -- be ready to actually go deep.
behavioral (45 min) standard situational stuff. they asked about working with a backend team that moved slower than i needed, and about a time i had to make a tradeoff between shipping fast and shipping correctly.
timeline: 3.5 weeks start to offer. the accessibility focus is real -- if you're not comfortable with WCAG basics and ARIA, brush up before your screen.