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AI·Series A·Redwood City, California

Senior Product Designer

at RetellAI
Location
Redwood City, California
Salary
$180,000 - $230,000
Type
Full-Time
About Retell
Retell AI is building the modern CX platform for enterprise contact centers, using first-principles voice AI to automate sales, support, and logistics calls at scale. Thousands of companies—including CVS/Aetna, American Airlines, Lenovo, and Grab—use Retell's AI voice agents to replace large teams of human agents, with the platform powering everything from frontline agents to QA analysts and managers. Backed by Y Combinator (W24), Alt Capital, and Carya Venture Partners, Retell claims $80M ARR as of August 2026 (public data: $60M+ as of April 2026), up from $5M at the start of 2025, and a valuation north of $1.5B. The team is 50 strong, with alumni from Stripe (payments lead), Google AI research, and Facebook product. The company has been recognized as a top AI app by a16z, #3 Fastest-Growing Software Company (G2 2026), and a member of the Nasdaq & Wing VC Enterprise Tech 30 (2026). The vision: a fully AI-powered contact center where intelligent agents continuously execute, monitor, and improve every customer interaction—no more basic automation that needs constant human tuning. The market believes: Retell is the fastest-growing voice AI company in the category, with real revenue, enterprise traction, and a reputation for technical depth.
Series A • 51 – 200
Stage & size
AI
Industry
2023
Founded
About This Role

The mandate: Own end-to-end product design across Retell's core workflows — early concepts and PRDs through shipped features. Work directly with founders, engineers, and customers to shape features from first principles. The line that matters most for recruiting: "not just polish UI after decisions are made." Most senior designer roles at $180K+ are exactly that — the decisions are made upstream and design executes. This one explicitly isn't, and the JD backs it up with "influence product direction through design" and "contributing strong opinions, clear rationale, and taste-driven decisions that shape what we build next." Note the design system overlap. This req says "build and evolve Retell's design system." The Design Engineer req says "build and own the Retell design system." Ask Retell how that's split — a designer who thinks they own the system and finds out the design engineer does will be unhappy. The likely division is designer sets the visual language, design engineer builds and maintains the code implementation, but that should be stated rather than assumed. What You'll Own

  • End-to-end product experience: early concepts and PRDs through polished shipped features

  • How users interact with AI voice agents — turning complex technical workflows into clear, human experiences

  • Feature definition and refinement side by side with engineers and founders, preserving design intent through to production

  • Customer research — interviews, feedback, translating real pain into design solutions

  • Proactive UX improvement: identifying friction and inconsistency, driving fixes idea to launch

  • Design system evolution, standards for consistency and scalability

  • The craft bar — clarity, usability, polish

  • Product direction, through design opinions with rationale behind them Requirements Hard gates:

  • 5+ years as a Product Designer on shipped products. Higher floor than the Design Engineer req.

  • Strong user-centered design background — HCI, design, or equivalent

  • Excellent product taste — usability, hierarchy, visual clarity

  • Detail-oriented, cares about polish and consistency

  • Comfortable in fast-moving ambiguity

  • Wants end-to-end ownership, not a narrow design scope

  • On-site, Redwood City Profile:

  • 5–10 years, senior enough to hold a design bar without a design lead above them

  • Enjoys working with engineers, PMs, and founders on product direction

  • Has opinions and can defend them with rationale Strong bonuses:

  • Complex B2B or technical product design — dashboards, developer tools, configuration-heavy interfaces, observability. Directly matches agent config, CRM views, and call review.

  • Has designed for non-deterministic or AI systems — the rarest and most relevant experience available. Anyone who's worked on agent configuration, model evaluation UI, or probabilistic-output interfaces should go to the top of the list.

  • Real customer research practice — the JD names "be the voice of the user" as a core responsibility, which is unusual for a $180K+ IC design seat and means no researcher exists

  • Data-dense interface work: analytics, monitoring, log and transcript review

  • Design systems experience

  • CCaaS or contact center domain knowledge

  • Startup experience where they were the first or only designer Location and visa:

  • On-site, Redwood City

  • Sponsorship: H-1B, TN, L-1, E-3, F-1 (OPT/CPT), and O-1 Anti-patterns

  • Designers who execute against decisions made elsewhere. The JD rejects this explicitly and it's the most common senior-designer profile at large companies.

  • Visual designers with no UX depth

  • UX researchers who don't ship interfaces

  • Marketing and brand designers

  • Consumer-only designers with no complex B2B experience — the surfaces here are configuration-heavy and technical

  • Designers who need a PM to define the problem

  • Anyone who needs a design org, a research team, or a content designer to function

  • Portfolio of redesign concepts with nothing shipped

  • Remote requirements Who Will Thrive Here

Someone who has designed a genuinely hard B2B product and can defend every decision in it. They'll interview a VP of CX on Tuesday, come back with a reframed problem, and have a working prototype by Friday. They have taste and won't be talked out of it, but they show their reasoning. They want the unsolved problem — how do you make a probabilistic system legible and trustworthy to an operator — more than they want a title or a team.

Job Details
Experience
4-10 Years
Salary
$180,000 - $230,000
Visa Sponsorship
Yes
Employment Type
Full-Time
Work Arrangement
In office
Work Intensity
9-9-5
Benefits & Perks
$75/month Phone Bill Reimbursement
$50/month Internet Reimbursement
100% Coverage For Medical Dental And Vision Insurance
$70/day Doordash Credit For Unlimited Breakfast Lunch Dinner And Snacks
$200/month Wellness Reimbursement(gym Fitness Classes Etc.)
$300/month Commuter Reimbursement(gas Caltrain Etc.)
Green Flags
Shipped end-to-end product features in high-stakes, real-time environments
Built or evolved a design system at a fast-growing startup
Strong product taste, visible in portfolio
Red Flags
Portfolio limited to UI polish, no evidence of end-to-end product ownership
Only worked in large orgs with narrow design scope
Lacks user-centered design process or evidence of user research
Ideal Companies
S
Stripe
A
Airbnb
F
Figma
M
Meta
G
Google
T
Twilio
I
Intercom

Required Candidate Q&A

Question 1
Are you based in the Bay Area or willing to work on-site in Redwood City, CA?
Question 2
What is your current visa status, and are you open to Retell's sponsorship options?
Question 3
Walk through a shipped product where you owned the end-to-end design process. What was your impact?
Question 4
Describe a time you turned a complex technical workflow into a clear, intuitive user experience.
Question 5
Show an example of a design system you built or evolved. What standards did you set and why?
Question 6
How do you gather and incorporate user feedback into your design process?
Question 7
What about Retell’s mission and product excites you?

Candidate scorecard

· 11 criteria
5+ years as a Product Designer working on shipped products
Strong user-centered design background (HCI, design, or equivalent)
Excellent product taste and sense of usability, hierarchy, and visual clarity
Rounds · Confidential to recruiting partners · Last refreshed Aug 21, 2026