Full-Time

Software Engineer New Grad

Founders Initiatives

Posted on 8/3/2026

Retell AI

Retell AI

51-200 employees

Build, test, deploy AI voice agents

Compensation Overview

$83k - $104k/yr

+ Equity + $70/day DoorDash credit + $200/month wellness reimbursement + $300/month commuter reimbursement + $75/month phone reimbursement + $50/month internet reimbursement

H1B Sponsorship Available

San Francisco, CA, USA + 1 more

More locations: Redwood City, CA, USA

In Person

Category
Software Engineering (1)
Required Skills
REST APIs

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Requirements
  • A bachelor's degree in Computer Science, Computer Engineering, or Electrical Engineering.
  • Candidates must have already graduated; candidates still completing a bachelor's or master's degree are not considered.
  • Strong software engineering fundamentals.
  • Ability to work effectively in a fast-moving startup environment.
Responsibilities
  • Design and build internal and external artificial intelligence systems that power hiring, sales, operations, and company scaling.
  • Build production-grade artificial intelligence workflows, automations, and artificial intelligence agent systems for company operations and customer experience.
  • Work directly with enterprise customers to design artificial intelligence solutions, build integrations, and provide technical advice.
  • Build artificial intelligence systems, internal tools, automations, and infrastructure that support company scaling.
  • Ship code to production and solve operational and artificial intelligence challenges.
Desired Qualifications
  • Two or more software engineering internships.
  • Experience building production software through internships, research, startups, or personal projects.
  • Experience with backend development, application programming interfaces, artificial intelligence tooling, or full-stack applications.

Retell AI provides a platform for developers to build, test, deploy, and monitor AI-powered voice agents. It offers a voice AI API and an agent builder that lets users create custom voice agents to automate and optimize communication processes, designed to handle complex workflows and scale to production-ready levels. The platform works by giving developers an API plus a visual/programmable builder to design agents, integrate them into systems, and manage deployment and monitoring for production use. Its differentiators include an end-to-end lifecycle toolkit for AI voice agents, support for complex call workflows at scale, and ecosystem partnerships (e.g., Data Leaders, Cal.com) that expand integrations. Retell AI’s goal is to help businesses improve their call operations and customer interactions by adding reliable AI-driven voice capabilities through a scalable developer platform.

Company Size

51-200

Company Stage

Seed

Total Funding

$4.7M

Headquarters

Palo Alto, California

Founded

2023

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Simplify Jobs

Simplify's Take

What believers are saying

  • Conductor already generates 70% of simulations and half of agent edits, reducing support load.
  • Retell reported $50 million ARR in 2025, signaling strong enterprise adoption and expansion.
  • Voice AI demand is rising, and Retell already serves Fortune 500 call centers at scale.

What critics are saying

  • Vapi, Bland AI, Synthflow, and Coworker-style rivals compress Retell's pricing and differentiation now.
  • Usage-based calling exposes Retell to infrastructure margin squeeze from Twilio, Telnyx, and model providers.
  • If contact-center buyers standardize on turnkey suites, Retell becomes a feature, not a platform.

What makes Retell AI unique

  • June 2026 Conductor embeds graph-native review into agent workflows, not a separate dashboard.
  • Retell AI runs 55 million monthly calls with sub-600ms latency across 50 languages.
  • Its usage-based stack unbundles telephony, LLM, and TTS, speeding developer deployment.

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Benefits

Health Insurance

Wellness Program

Phone/Internet Stipend

Remote Work Options

Hybrid Work Options

Growth & Insights and Company News

Headcount

6 month growth

-3%

1 year growth

-5%

2 year growth

-5%
Yahoo Finance
Jun 29th, 2026
Retell AI launches Conductor, first graph-native review system for production voice agents

Retell AI, a voice AI platform, has launched Conductor, the first graph-native review system for production voice agents. The AI copilot helps enterprises identify failures, automate testing and continuously improve voice agents for contact centers. Conductor operates within agent workflows, displaying proposed changes directly in the interface and requiring human approval before implementation. Users interact with the system in plain English, enabling teams to shape voice agents without coding. The platform already generates 70% of Retell's simulation tests and executes half of all agent edits. The system features a graph-native review interface, operational intelligence for analysing failed calls, and embedded best practices from thousands of enterprise deployments. Retell AI processes over 30 live calls per second and handles 55 million AI phone calls monthly. Conductor is now available to all Retell customers.

Yahoo Finance
Jun 22nd, 2026
Voice AI startup Retell AI tops San Francisco Business Times' 2026 Best Places to Work list

Retell AI, a voice AI platform based in Redwood City, California, has been ranked number one on the San Francisco Business Times' 2026 Best Places to Work in the Bay Area list in the 10-24 employees category, scoring 99.04. The recognition comes as the company has grown annual recurring revenue from $10 million to $60 million over the past year whilst maintaining a lean team. Retell AI's workplace culture emphasises autonomy and outcomes over hours worked, with employees able to work remotely for up to two weeks annually. The company's no-code platform enables enterprises to deploy AI voice agents rapidly. It currently processes over 55 million AI phone calls monthly for clients including the San Antonio Spurs, Motorola and Lenovo, handling more than 30 concurrent calls per second at peak volume.

Associated Press
Apr 3rd, 2026
Retell AI reaches $50M ARR, powers 50M+ monthly calls as voice AI trend gains momentum

Retell AI, an AI voice agent platform, has been named to Wing VC's Enterprise Tech 30 2026 list, recognised as one of 10 early-stage companies. The list, compiled with Newcomer, highlights voice AI as a key trend for 2026. Launched in 2024, Retell AI reached $50 million ARR in 2025 and now powers over 50 million AI phone calls monthly. The platform enables corporate call centres to deploy AI voice agents for sales and support across multiple channels, offering human-standard voice quality, sub-600ms latency, and support for over 50 languages. The company's technology allows businesses to build and deploy voice AI agents within days rather than the industry standard of a year or more. Retell AI is HIPAA, SOC2 and GDPR compliant.

Yahoo Finance
Mar 10th, 2026
Retell AI's Evie Wang named to Inc.'s Female Founders 500 list after scaling ARR from $8M to $36M

Evie Wang, co-founder and chief marketing officer of Retell AI, has been named to Inc.'s 2026 Female Founders 500 list. The annual honour recognises the most dynamic women business leaders in the United States, with this year's honourees collectively generating approximately $12.3 billion in 2025 revenue. Wang led Retell AI's marketing and product strategy during a period of hypergrowth, scaling annual recurring revenue from $8 million to $36 million in eight months across a 21-person team. The AI voice agent platform now handles over 40 million real-time calls monthly for Fortune 500 clients and has achieved over 300% quarter-over-quarter user growth. Under Wang's leadership, Retell AI has been recognised as an a16z Top 50 AI company.

Retell AI
Sep 22nd, 2025
Retell AI Secures Seed Funding | Retell AI | Retell AI

Retell AI secures 4.6M seed funding to revolutionize AI voice calling! Read about our journey to build the future of AI voice agent powered call operations.