Retell AI · 5 months ago
Senior Backend Software Engineer
San Carlos, CA, US
Full-time
Hybrid
Mid, Senior Level
$215K/yr - $290K/yr
3+ years expRetell AI is a rapidly growing startup focused on transforming call centers with innovative voice AI technology. The Senior Backend Engineer will be responsible for shaping core systems that power AI-driven conversations, designing scalable backend systems, and collaborating with product teams to enhance customer onboarding and product performance.
Artificial Intelligence (AI)AudioCall CenterGenerative AITelecommunications
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
Qualification
Required
3+ years of experience in backend development
Experience with JavaScript, Node.js, DynamoDB, PostgreSQL, Amazon Web Services (AWS)
Degree in Computer Science (CS), Computer Engineering (CE), or Electrical Engineering (EE)
Ability to take ownership like a founder
Ability to thrive in fast-paced, ambiguous environments
Strong communication skills and ability to collaborate across teams
Experience leading complex projects from architecture to production
Preferred
2+ years of backend development experience
Startup experience or grit to adapt
Knowledge of cloud infrastructure/DevOps
Benefits
100% coverage for medical, dental, and vision insurance
$70/day DoorDash credit for unlimited breakfast, lunch, dinner, and snacks
$200/month wellness reimbursement (gym, fitness classes, etc.)
$300/month commuter reimbursement (gas, Caltrain, etc.)
$75/month phone bill reimbursement
$50/month internet reimbursement
Company
Retell AI
Retell AI is the AI voice platform that helps corporate call centers automate calls indistinguishable from human.
11-50 employees
H1B Sponsorship
Retell AI has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (5)
2024 (3)
Funding
Current Stage
Early StageTotal Funding
$4.68MKey Investors
Alt CapitalY Combinator
2024-04-03Seed· $4.55M
2023-11-01Pre Seed· $0.12M
Leadership Team
Evie Wang
Co-Founder
Recent News
2025-12-17
Company data provided by crunchbase