Senior Software Engineer - Frontend jobs in United States
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Retell AI · 5 hours ago

Senior Software Engineer - Frontend

positionSan Francisco Bay Area
timeFull-time
remoteOnsite
seniorityMid, Senior Level
money$215K/yr - $290K/yr
date2+ years exp

Retell AI is a fast-growing startup focused on revolutionizing call centers with innovative voice AI technology. As a Senior Frontend Engineer, you will design and build core UI features for the AI voice platform, creating intuitive interfaces and collaborating with the founding team to deliver scalable solutions.

Artificial Intelligence (AI)AudioCall CenterGenerative AITelecommunications
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H1B Sponsorednote

Responsibilities

Design and build core UI features like prompt management, dashboards, and analytics tools
Develop responsive, intuitive interfaces using React, TypeScript, HTML, CSS, and JavaScript
Collaborate on backend APIs and DevOps to ensure seamless, scalable systems
Lead frontend projects from concept to launch, owning architecture, coding, and iteration
Work with customers to onboard, debug, and turn feedback into UX improvements

Qualification

ReactTypeScriptHTMLCSSJavaScriptProblem-solvingCollaboration

Required

2+ years of experience building production-grade apps with React and TypeScript
Hold a degree in CS, CE, or equivalent practical experience
Take ownership like a founder, proactively solving problems with clean design thinking
Thrive in fast-paced environments, quickly learning new tools and frameworks
Collaborate effectively, balancing clarity and momentum in small, dynamic teams

Benefits

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.)
$75/month phone bill reimbursement
$50/month internet reimbursement

Company

Retell AI

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Retell AI is the AI voice platform that helps corporate call centers automate calls indistinguishable from human.
dateFounded in 2023
location
San Francisco, California, USA
people-size11-50 employees
web-link
https://retellai.com

H1B Sponsorship

Retell AI has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (3)
2024 (3)

Funding

Current Stage
Early Stage
Total Funding
$4.68M
Key Investors
Alt CapitalY Combinator
2024-04-03Seed· $4.55M
2023-11-01Pre Seed· $0.12M

Leadership Team

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Evie Wang
Co-Founder
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Recent News

SiliconANGLE
Retell AI targets human bottlenecks in agentic voice AI with automated QA
2025-12-17
GlobeNewswire
Retell AI, Fastest-Growing AI Voice Agent Platform, Launches First Automated QA Solution to Accelerate Enterprise Adoption of Voice AI
2025-12-17
Company data provided by crunchbase