Customer Success Engineer

Retell AI

$135K — $156K *
US-AnywhereRemote in San Francisco, CA
Enterprise Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in Computer Science, Engineering, or a related field.
  • 5+ years in Customer Success or as a Customer Success Engineer at a B2B software company OR a recent graduate from a top-tier university.
  • Strong technical problem-solving skills
  • Experience working with APIs and debugging issues
  • Excellent communication skills to relay technical concepts effectively.
  • Available during standard U.S. business hours with overlap in Pacific Time.

Responsibilities

  • Lead technical onboarding for enterprise customers.
  • Serve as the primary technical contact throughout implementation.
  • Drive successful launches and encourage product adoption.
  • Build trusted relationships with engineering teams at customer sites.
  • Develop AI voice agents in collaboration with customers.
  • Design conversation flows and deployment strategies.
  • Troubleshoot and debug integration issues in production environments.
  • Identify product gaps and translate customer feedback into actionable improvements.

Benefits

  • Medical, dental, and vision insurance.
  • $70/day DoorDash credit for meals and snacks (not applicable for remote employees).
  • $200/month wellness reimbursement for fitness-related expenses.
  • $300/month commuter reimbursement for travel-related expenses.
  • $75/month reimbursement for phone bills.
  • $50/month internet reimbursement.
Full Job Description
ABOUT THE ROLE

Retell AI powers AI voice agents for enterprise contact centers. We work with customers like CVS/Aetna, American Airlines, Lenovo, and Grab, helping them automate millions of customer conversations.

We're hiring a Customer Success Engineer to help our enterprise customers successfully deploy and scale AI voice agents in production.

You'll become the technical partner for our customers, helping design integrations, troubleshoot deployments, build AI workflows, and ensure customers are successful from onboarding through expansion.

This role sits at the intersection of software engineering, customer success, and AI deployment. You'll work closely with Engineering, Product, and Customer Success while partnering directly with customer engineering teams.

This is a full-time, long-term W-2 contract position with the opportunity to make a significant impact at one of the fastest-growing AI companies. While the role is primarily based in our Redwood City office, we're open to remote candidates with strong Customer Success Engineering experience and exceptional technical backgrounds.

KEY RESPONSIBILITIES
Own Enterprise Customer Deployments
  • Lead technical onboarding for enterprise customers.
  • Become the primary technical point of contact throughout implementation.
  • Drive successful customer launches and product adoption.
  • Build trusted relationships with customer engineering teams.
Technical Consulting
  • Build AI voice agents alongside customers.
  • Design conversation flows and deployment strategies.
  • Troubleshoot production deployments.
  • Debug APIs, webhooks, SIP, telephony, authentication, integrations, and latency issues.
  • Work directly inside customer codebases when necessary.
Partner with Product & Engineering
  • Identify product gaps through customer feedback.
  • Translate customer needs into actionable product improvements.
  • Partner closely with Product and Engineering teams.
  • Advocate for customers throughout the product development process.
Drive Customer Growth
  • Identify expansion opportunities.
  • Help customers launch new AI use cases.
  • Increase product adoption across organizations.
  • Become a trusted technical advisor for enterprise accounts.
WHAT WE'RE LOOKING FOR
Must Have
  • Bachelor's degree in Computer Science, Computer Engineering, Electrical Engineering, or a related technical field.
  • One of the following:
    • 5+ years of experience in Customer Success or as a Customer Success Engineer at a B2B software company.
    • Recent graduate from a top-tier university with a degree in a relevant technical field.
  • Strong technical problem-solving skills.
  • Experience working with APIs and debugging technical issues.
  • Excellent communication skills and the ability to explain technical concepts to customers.
  • Working Hours: Must be available to work standard U.S. business hours in either the Pacific or Eastern Time zone, with sufficient overlap with Retell's Pacific Time-based team and enterprise customers.
Nice to Have
  • Experience with Python or TypeScript.
  • Experience working with AI, LLMs, or Voice AI.
  • Startup experience.
  • Experience supporting enterprise customers.
  • Travel: Willingness to travel up to 10% for enterprise customer launches, onsite workshops, and customer Innovation Day events.
YOU MIGHT THRIVE IF
  • You enjoy solving technical problems directly with customers.
  • You like building alongside customers instead of just supporting them.
  • You're comfortable debugging complex systems under pressure.
  • You move quickly and enjoy working in fast-paced startup environments.
  • You enjoy collaborating across Engineering, Product, and Customer Success.
  • You care deeply about customer outcomes and shipping impactful solutions.
JOB DETAILS
  • Employment Type: Full-Time W-2 Contract (Long-Term)
  • Location: Redwood City, CA (Onsite)
  • Compensation: $65 - $75 hourly, based on experience


OTHER BENEFITS
  • Medical, dental, and vision insurance
  • $70/day DoorDash credit for unlimited breakfast, lunch, dinner, and snacks (not included if remote)
  • $200/month wellness reimbursement (gym, fitness classes, etc.)
  • $300/month commuter reimbursement (gas, Caltrain, etc.)
  • $75/month phone bill reimbursement
  • $50/month internet reimbursement

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