Retell AI

Retell AI offers an API for generating voice AI agents capable of engaging in interactions similar to humans.

11-50 employees
Founded 2023
$4.6M seed
Audio
Private Company

Fully Remote

This company is fully distributed with team members working remotely.

Open Positions3

San Francisco Bay Area; South AfricaUkraineBrazil+6 more locationsFull-TimeVoice AIPosted
  • Build and maintain technical controls across security and compliance frameworks such as SOC 2, ISO 27001, HIPAA, and other enterprise requirements.
  • Automate compliance workflows, evidence collection, access reviews, security checks, and other repetitive processes.
  • Partner with Engineering and Security to implement and monitor controls around access management, infrastructure, data protection, logging, and vulnerability management.
  • Support audits by owning technical evidence collection and working with auditors to address compliance requirements.
  • Work with customers and internal teams to respond to security questionnaires, compliance requirements, and technical due diligence.
  • Identify gaps in our compliance and security programs and build scalable systems to address them.
AWSPythonBash+3 more
Showing 1 of 3 positions

About Retell AI

Retell AI is pioneering human-like conversational voice AI, transforming call centers with cutting-edge technology. Our API allows developers to build AI agents that handle sales, support, and logistics calls with ~800ms response times and interruption handling. We serve thousands of companies, backed by $4.6M in seed funding from Y Combinator and Alt Capital. You will join a company recognized on a16z's Top AI Apps list and Brex's Fast-Growing Software Vendors of 2025, solving real-world problems at scale.

How We Work

We operate with an "in-office, on-purpose" philosophy, emphasizing collaboration and rapid problem-solving in person. However, some roles are fully remote, fostering a flexible yet high-performance environment. We aim for small, impactful teams where every member takes real ownership. Our goal is to empower intelligent AI "workers" that continuously improve customer interactions, not just basic automation. We move fast, tackling hard technical challenges with confidence.

Engineering at Retell AI

Our engineers craft the core of human-like voice AI using an API and platform designed for developers. We manage real-time LLM interaction via WebSockets, ensuring low latency and seamless conversations. Our architecture supports BYOC (Bring Your Own Carrier) and integrates with major telephony providers like Twilio, Telnyx, and Vonage. You will work with customizable LLMs (GPT-4, Claude 3) and external workflows, including GoHighLevel, HubSpot, and Salesforce. We prioritize enterprise-grade security and scalable solutions.

Why Join Us

  • Build the future of AI-powered customer experience, transforming how businesses interact with customers.
  • Join a fast-growing, well-funded startup backed by Y Combinator, achieving significant traction and recognition.
  • Solve challenging technical problems using cutting-edge AI, machine learning, and real-time communication technologies.
  • Experience meaningful ownership and direct impact within a high-performance, ambitious team.
  • Contribute to a product that processes millions of requests, serving thousands of companies and users daily.

Benefits & Perks

  • Competitive compensation, aiming for top 5 percentile pay
  • 100% coverage for medical, dental, and vision insurance
  • Up to $70/day DoorDash credit
  • $200/month wellness reimbursement
  • $300/month commuter reimbursement
  • $75/month phone bill reimbursement
  • $50/month internet reimbursement
  • Relocation support for our San Carlos office

Tech Stack

widgetsframework

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