Senior Software Engineer, Backend
Builds scalable backend systems for AI voice platform handling millions of calls, focusing on prompt orchestration, telephony integrations, and DevOps workflows. Requires 2+ years backend experience with CS fundamentals, concurrency, and distributed systems.
About the job
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.
Requirements
- 2+ years of backend development experience and a strong foundation in CS fundamentals (CS/CE/EE degree or equivalent).
- Worked on scalable, high-performance backend systems — especially involving concurrency, data, storage, or distributed components.
- Take ownership like a founder and enjoy building core systems that need to be fast, reliable, and correct.
- Thrive in fast-moving, ambiguous environments where you learn quickly and solve new technical problems.
- Communicate clearly, collaborate well across teams, and move work forward with momentum.
- Startup experience or the grit to operate in a high-velocity environment — bonus points if you’ve worked on infrastructure, databases, or large-scale backend systems.
Compensation & Benefits
Cash: $200k - $300k
Equity: Offered
Benefits:
- 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
Skills
Python, Java, Node.js, APIs, DevOps, Kubernetes, Databases, Distributed Systems, Telephony, Observability
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