Frontend Engineer
Hark · San Jose, CA
$170,000–$400,000from the description
Jul 15, 2026
San Jose, CA
Jul 21, 2026
What this job asks for AI summary
A senior frontend engineering role focused on building and owning the user-facing interfaces of an AI agent platform — including web and mobile web surfaces. The work centers on real-time, streaming UI challenges: handling partial responses, out-of-order state updates, and interactions spanning voice, text, and vision. It suits an experienced frontend engineer with a strong eye for polish and a background shipping consumer products.
Senior level · 5+ years · National · Full-time
“or” means any one of them counts — you don't need all of them.
We read this from the posting text with AI. Skim the description below before ruling yourself out.
How this req sits in the market our data
Most people in this occupation already list these. Still required — just not what gets you shortlisted.
What the occupation pays Median $138,970 (middle half $107,524–$175,762). This posting is about at that midpoint.
Estimated from BLS employment for this occupation and area, per-skill prevalence across our listing corpus, and published wage benchmarks — as of Jul 28, 2026. It is a model, not a headcount.
Why we read it this way (7)
No work location is specified in the posting; the role appears to be US-based given the USD salary range, but city, state, and remote status are not stated.
The compensation range ($170,000–$400,000/year) is unusually wide, likely reflecting flexibility across seniority levels or equity/total-comp components not fully detailed.
React is listed as the primary framework with 'or equivalent' language; Angular and Vue are captured as alternatives.
Real-time UI experience (streaming data, WebSockets, optimistic updates) is stated in the Requirements section and treated as a hard gate.
Experience at a fast-growing AI or consumer product company is called 'a strong plus' in the Requirements section but then listed again under Bonus Qualifications — treated as preferred.
Voice interfaces, multimodal interactions, mobile development, and animation/motion design systems all appear exclusively under 'Bonus Qualifications' and are preferred.
Ignored 2 non-technology phrase(s) as skills (responsibilities/concepts, not named tools): mobile development, animation/motion design systems.
Read the full posting
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