R

Senior Backend Engineer

retell • San Francisco Bay Area
Visa Sponsorship
This Job is No Longer Active This position is no longer accepting applications
AI Summary

Transform customer experience with voice AI for enterprises. Build foundational architecture for Retell's platform and design scalable backend systems. Collaborate with product and design teams to create intuitive APIs and interfaces.

Key Highlights
Build foundational architecture for Retell's platform
Design scalable backend systems and DevOps workflows
Collaborate with product and design teams

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Key Responsibilities
Build foundational architecture for Retell's platform, such as prompt orchestration, testing frameworks, observability dashboards, and telephony integrations.
Design scalable backend systems and DevOps workflows for reliable performance across millions of calls.
Lead complex projects from architecture to production, driving delivery and monitoring.
Collaborate with product and design teams to create intuitive APIs and interfaces for quick customer onboarding.
Support customer onboarding, troubleshoot issues, and turn feedback into product improvements.
Technical Skills Required
Backend development CS fundamentals Concurrency Data storage Distributed components

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Benefits & Perks
Cash: 200k - 300k
Equity: Offer Equity
100% coverage for medical, dental, and vision insurance
$70/day DoorDash credit
$200/month wellness reimbursement
$300/month commuter reimbursement
$75/month phone bill reimbursement
$50/month internet reimbursement

Job Description

Retell AI is using first-principles thinking to reimagine the call center with cutting-edge voice AI. Thousands of companies now use Retell's AI voice agents to handle sales, support, and logistics calls that once required large teams of human agents. Backed by Y Combinator, Alt Capital, and other leading investors, we've scaled to $80M in ARR with a team of 50, up from $5M at the start of 2025, and are now valued at over $1.5B.
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Job Overview
Posted Aug 06, 2026
Employment Full-time
Experience Not Applicable
Location San Francisco Bay Area
Category Programming
Company retell
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