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Retell AI

AI voice agents for call center automation

aiSan Carlos, CA51-200SeedOnsiteFounded 2023Salary transparent
About

Retell AI builds a platform for creating, deploying, and managing human-like AI voice agents that handle inbound and outbound business calls with low latency and natural conversation. It serves contact centers and businesses in healthcare, insurance, logistics, and more, reducing labor costs, improving customer satisfaction, and scaling operations without human agents. The platform uses advanced LLMs, audio models, and telephony integrations for production-ready reliability.

Tech stack
PythonTypeScriptSQLKubernetesDockerHelmReactNode.jsSalesforceJavaPyTorchOpenAIClaudeJavaScriptStorybookSEOAWSAzureGCPTerraform
Perks & benefits
Health insuranceDental insuranceVision insuranceEquityRelocation supportFood stipend
Open roles 20

Growth Marketing Intern

Paid onsite internship supporting growth marketing efforts at a fast-growing voice AI startup. Work on content, SEO, campaigns, events, and special projects with founders.

3k – 4kRedwood City, CAGrowth MarketingOn-siteEntry levelSEOClay

Deployment Strategist

Lead end-to-end deployments of AI voice agents for enterprise customers, guiding strategy through execution while partnering with Product, Engineering, and Sales. Requires strong customer-facing experience in implementation, solutions consulting, or product roles.

170k – 260kRedwood City, CASolutions ArchitectureOn-site5+ YOEVoice AiRoi Modeling

Founders Initiatives, Technical Ex-Founders

Build production-grade AI workflows, automations, and agent systems that power hiring, sales, operations, and scaling at a fast-growing voice AI startup. Work across recruiting AI, security automation, GTM engineering, and 3rd-party integrations with high ownership.

200k – 300kRedwood City, CABusiness OperationsOn-site2+ YOEn8nJava

Founders Initiatives, AI Agents

Build production-grade AI workflows, automations, and agent systems that power HR, security, operations, GTM, and customer experience at a fast-growing voice AI startup.

200k – 300kRedwood City, CABusiness OperationsOn-site2+ YOEn8nJava

Senior Product Manager

As a Senior Product Manager, you will own core product areas for AI-driven conversations, defining strategy, roadmap, and execution. You will work closely with engineering, design, and customers to ship fast, reliable, and intuitive products.

200k – 300kRedwood City, CAProduct ManagementOn-site5+ YOEAIB2B

Strategic Alliances & Partnerships Manager

Build and scale strategic partnerships and ecosystem alliances for Retell AI to drive partner-sourced pipeline and expand market reach. Requires 3+ years in partnerships or BD with strong negotiation and cross-functional collaboration skills.

180k – 230kRedwood City, CAPartnershipsOn-site3+ YOENegotiationPartnerships

Sales Development Representative (Inbound)

Inbound SDR responsible for qualifying and routing leads from website, email, chat, and LinkedIn, scheduling demos, and maintaining CRM hygiene to drive pipeline for a fast-growing voice AI startup.

6k – 8kSan Francisco, CASales DevelopmentRemoteEntry levelHubSpotSalesforce

Design Engineer

Design Engineer owns the design system, prototypes in React/TypeScript, implements pixel-perfect UI components using AI tools like Cursor, and ensures design-code parity across the product dashboard and agent interfaces.

200k – 300kRedwood City, CAFrontend EngineeringOn-siteCSSHTML

Senior Product Marketing Manager

Leads product positioning, messaging, launches, and sales enablement for Voice AI platform targeting verticals like healthcare and legal. Directs brand campaigns and translates market insights into converting narratives. Requires 5+ years B2B SaaS product marketing experience.

200k – 210kRedwood City, CAProduct MarketingOn-site5+ YOEB2B SaaSMessaging

SEO Strategist/Growth SEO Lead

Owns end-to-end SEO strategy for search and AI discovery channels, building scalable content systems, programmatic SEO, and leveraging AI for content generation and optimization. Requires 3+ years SEO experience driving 10x growth and hands-on execution.

120k – 160kRedwood City, CA +1Growth MarketingOn-site3+ YOESEOChatGPT

Research Scientist - LLM

Conducts ML research to advance LLMs and audio models for real-time voice AI agents, focusing on reasoning, latency, and conversational quality. Prototypes models, designs evaluations, and bridges research to production systems requiring strong PyTorch expertise and experimental mindset.

225k – 400kRedwood City, CAAI ResearchOn-siteLLMsPyTorch

Research Scientist - Audio

Conducts ML research on LLMs and audio models to enhance real-time voice agents' reasoning, latency, and conversational quality. Prototypes models, designs evaluations, and bridges research to production systems requiring strong PyTorch expertise and experimental mindset.

225k – 400kRedwood City, CAML EngineeringOn-siteLLMsPyTorch

Staff Engineer, Platform & Systems

Staff engineer owns core platform and systems architecture, leads technical initiatives, makes high-leverage decisions for speed/reliability/scale, and partners with product/leadership. Requires 9+ years experience in production systems at staff/principal level.

225k – 350kRedwood City, CADevOps / SREOn-site9+ YOEAPIsVoice Ai

Senior Product Designer

Owns end-to-end product design for AI voice agent platform, collaborating with engineers and founders to create intuitive UX for complex real-time workflows. Requires 5+ years experience, strong taste, and user-centered design skills in a fast-paced startup.

180k – 250kRedwood City, CAProduct DesignOn-site5+ YOEHciFigma

Senior Software Engineer, Frontend

Builds responsive UI for voice AI platform including prompt management, dashboards, and analytics using React and TypeScript. Owns end-to-end frontend projects, collaborates with backend/DevOps, and incorporates customer feedback. Requires 2+ years React experience.

200k – 300kRedwood City, CAFrontend EngineeringOn-site2+ YOECSSHTML

Senior Machine Learning Engineer

Builds and deploys production ML models for real-time voice AI agents, fine-tuning LLMs and audio models, running benchmarks and human evaluations, and maintaining ML infrastructure for high-scale performance.

225k – 325kRedwood City, CAML EngineeringOn-siteLLMsPython

Senior Software Engineer, Full Stack

Build scalable full-stack systems for voice AI platform, including React/TypeScript UIs, Node.js APIs, prompt orchestration, telephony integrations, and customer dashboards. Requires 2+ years experience and ownership in fast-paced environment.

200k – 300kRedwood City, CAFullstack EngineeringOn-site2+ YOEAPIsReact

Senior Software Engineer, Infrastructure

Owns build, release, and runtime infrastructure including CI/CD pipelines, Kubernetes orchestration, multi-cloud deployments, and compliance integrations for SaaS and on-prem environments. Requires 3+ years in cloud and container orchestration with production CI/CD experience.

200k – 300kRedwood City, CADevOps / SREOn-site3+ YOEAWSGCP

Senior Forward Deployed Engineer

Delivers voice AI solutions to enterprise clients by leading projects from prototype to production, building full-stack integrations with Python/JavaScript, and bridging technical and non-technical stakeholders. Requires 2+ years customer-facing technical experience and strong communication skills.

180k – 300kRedwood City, CASolutions ArchitectureOn-site2+ YOELLMsPython

Senior Software Engineer, Backend

Builds scalable backend systems for AI voice platform handling millions of calls, focusing on prompt orchestration, telephony integrations, and DevOps workflows. Requires 2+ years backend experience with CS fundamentals, concurrency, and distributed systems.

200k – 300kRedwood City, CABackend EngineeringOn-site2+ YOEJavaAPIs