Retell AI Inc.
Founding Senior Software Engineer (Frontend)
Retell AI Inc., San Carlos, California, United States, 94071
Join us in transforming the future of call centers
Role
Founding Senior Frontend Engineer (Frontend) Location
Redwood City, CA, US Employment Type
Full time Department
All Compensation
Estimated base salary $215K – $290K • 0.25% – 0.45% About Retell AI
At Retell AI, we\'re not just automating calls—we\'re transforming how the world communicates. Our AI voice agents are reshaping sales, support, and customer engagement for leading brands. Backed by Alt Capital, Y Combinator, and top-tier investors, we\'ve raised $4.7M in seed funding and hit $23M ARR with just 20 people. We\'re one of the fastest-growing Voice AI startups and we\'re on a mission to become the standard for voice automation at scale. We\'re also one of the top ranking startups at https://leanaileaderboard.com/ . About the Role
As a Founding Senior Frontend Engineer, you\'ll shape the user experience of our AI voice platform, building intuitive interfaces and tools that power millions of automated conversations. You\'ll work across the stack, focusing on React and TypeScript, and collaborate with the founding team to deliver fast, beautiful, and scalable solutions. Key Responsibilities
Design and build core UI features like prompt management, dashboards, and analytics tools. 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. Have 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. Job Type : Full-time, 70 hr/week (50 hr/week onsite with flexible hours + 20 hr/week work from home) Cash:
215k - 290k Equity : 0.25 - 0.45% Location : Redwood City, CA, US US Visas : Sponsors Visa & Green Card Other Benefits
Unlimited breakfast, lunch, dinner, and snacks Gym and daily commute fee reimbursement Internet and phone bill covered Compensation Philosophy
Best Offer Upfront : Choose from three cash-equity balance options, no negotiation needed. Top 1% Talent : Above-market pay (top 5 percentile) to attract high performers. High Ownership : Small teams, >$1M revenue/employee, and significant equity. Performance-Based : Offers tied to interview performance, not experience or past salaries. Interview Process
Online Assessment (25–30 min) : One HackerRank coding questions on practical problem-solving (7 days to complete). Technical Phone Interview 1 (30 min) : Live coding on CoderPad, focusing on data structures and algorithms. Onsite/Virtual Interviews (2-3 hrs) : Hosted in our office if located in the Bay Area or virtual, with three rounds: Practical Coding: Tackle real-world coding tasks with debugging in a local react environment. System Design: Architect a production-ready system. Tools & Automation: Build automations or improve workflows in any basic environment setup like python, java, node.js, etc. Join Retell AI to craft the future of voice automation, building intuitive, impactful frontend experiences that redefine AI-driven communication. Revolutionize your call operation with Retell. Subscribe
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Founding Senior Frontend Engineer (Frontend) Location
Redwood City, CA, US Employment Type
Full time Department
All Compensation
Estimated base salary $215K – $290K • 0.25% – 0.45% About Retell AI
At Retell AI, we\'re not just automating calls—we\'re transforming how the world communicates. Our AI voice agents are reshaping sales, support, and customer engagement for leading brands. Backed by Alt Capital, Y Combinator, and top-tier investors, we\'ve raised $4.7M in seed funding and hit $23M ARR with just 20 people. We\'re one of the fastest-growing Voice AI startups and we\'re on a mission to become the standard for voice automation at scale. We\'re also one of the top ranking startups at https://leanaileaderboard.com/ . About the Role
As a Founding Senior Frontend Engineer, you\'ll shape the user experience of our AI voice platform, building intuitive interfaces and tools that power millions of automated conversations. You\'ll work across the stack, focusing on React and TypeScript, and collaborate with the founding team to deliver fast, beautiful, and scalable solutions. Key Responsibilities
Design and build core UI features like prompt management, dashboards, and analytics tools. 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. Have 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. Job Type : Full-time, 70 hr/week (50 hr/week onsite with flexible hours + 20 hr/week work from home) Cash:
215k - 290k Equity : 0.25 - 0.45% Location : Redwood City, CA, US US Visas : Sponsors Visa & Green Card Other Benefits
Unlimited breakfast, lunch, dinner, and snacks Gym and daily commute fee reimbursement Internet and phone bill covered Compensation Philosophy
Best Offer Upfront : Choose from three cash-equity balance options, no negotiation needed. Top 1% Talent : Above-market pay (top 5 percentile) to attract high performers. High Ownership : Small teams, >$1M revenue/employee, and significant equity. Performance-Based : Offers tied to interview performance, not experience or past salaries. Interview Process
Online Assessment (25–30 min) : One HackerRank coding questions on practical problem-solving (7 days to complete). Technical Phone Interview 1 (30 min) : Live coding on CoderPad, focusing on data structures and algorithms. Onsite/Virtual Interviews (2-3 hrs) : Hosted in our office if located in the Bay Area or virtual, with three rounds: Practical Coding: Tackle real-world coding tasks with debugging in a local react environment. System Design: Architect a production-ready system. Tools & Automation: Build automations or improve workflows in any basic environment setup like python, java, node.js, etc. Join Retell AI to craft the future of voice automation, building intuitive, impactful frontend experiences that redefine AI-driven communication. Revolutionize your call operation with Retell. Subscribe
Subscribe to our newsletter for our product updates
#J-18808-Ljbffr