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Open nowPosted 428 days ago

Senior Frontend Engineer - Editor Experience

mindsmith4 open roles

Where
Lehi, UT
Work mode
Hybrid
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Your applicationOpen nowSenior Frontend Engineer - Editor Experiencemindsmith · Lehi, UT

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The clock on this job

Early applications get read.

11.5% of postings close within 7 days. Measured by our own scanner across the market.

Share of postings closed within
  1. 2.0%1 day
  2. 4.3%3 days
  3. 11.5%7 days
  4. 18.1%14 days
  5. 35.6%30 days
  6. 44.6%60 days
This job: posted 428 days ago

The posting

Mindsmith is an authoring platform that turns internal docs into interactive e‑learning. Teams guide the system through each step of course creation, and customers report 12–20× faster production. Custom generation is step one—we’re building the infrastructure for e‑learning.

Own the editing experience. Make our editors instant, precise, and predictable. Work with design and customers, ship fast, and polish the details.

Why this role

Our users spend hours a day in Mindsmith. Micro‑interactions, latency, and ergonomics directly translate into real productivity for them. If you love building editors, layout systems, and the tiny touches that make complex apps feel simple, you’ll be at home here.

What you’ll do

  • Build and maintain the editor, including blocks, inline tools, media, and layout.
  • Improve performance across rendering, virtualization, streaming, and caching.
  • Keep behavior correct and consistent: accessibility, selection/undo, and paste fidelity.
  • Support real-time collaboration: presence, conflict resolution, and dependable WebSockets.
  • Work with design and customers to test ideas and ship improvements.

What you bring

  • 5+ years building production web apps.
  • Expert TypeScript and React.
  • Shipped complex UIs (editors, docs, whiteboards, IDE‑like apps).
  • A11y awareness and performance profiling.
  • Clear communication and follow‑through.

Bonus points

  • Built productivity tools used daily.
  • Deep editor experience (ProseMirror/Tiptap, Lexical, Slate, CodeMirror) or custom schema/OT.
  • Real‑time collab (CRDT/OT) and presence systems.
  • Virtualization or canvas/SVG renderers.
  • Design systems (Radix/shadcn/ui), Tailwind.
  • Ed‑tech or content creation background.

Our stack

Frontend: Next.js/React, TypeScript, Tailwind, Radix/shadcn/ui, Zustand, React Query

Backend: Node.js, WebSockets, MySQL/Prisma, GCP/Cloud Run

(We also use Python for document processing.)

How we work

Small team, fast cycles. Specs aren’t always perfect before we build. We value ownership, craft, and shipping—then iterating with customers.

Benefits & perks

  • Competitive pay and meaningful equity
  • Full medical, dental, and vision coverage
  • Weekly team lunch; stocked snacks & drinks
  • Work on genuinely interesting, hard problems in AI + e‑learning
  • Real career growth (small team → big impact)
  • Build at a fast‑growing startup serving enterprise customers

Mindsmith is an equal opportunity employer and prohibits discrimination and harassment of any kind. We’re committed to a diverse, inclusive workplace where everyone feels valued, respected, and supported.

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