Senior Software Engineer, Backend

The role

You will shape core systems powering AI-driven conversations. You will build foundational architecture, design scalable backend systems, and lead complex projects from architecture to production.

What you will do

• 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.

Required qualifications

• 2+ years of backend development experience
• Strong foundation in CS fundamentals
• CS/CE/EE degree or equivalent
• Experience working on scalable, high-performance backend systems, especially involving concurrency, data, storage, or distributed components

Nice to have

• Startup experience
• Experience working on infrastructure, databases, or large-scale backend systems

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

Before you apply

• Retell AI is open to sponsoring work authorization for qualified candidates, including H-1B, TN, L-1, E-3, F-1 (OPT/CPT), and O-1 visas.

About the company

Retell AI uses first-principles thinking to reimagine the call center with cutting-edge voice AI. The company is backed by Y Combinator, Alt Capital, and other leading investors.