Staff Engineer, Platform & Systems

About the Company

Retell AI is using first principles to reimagine the call center with cutting-edge voice AI. Backed by Y Combinator and Alt Capital, we have scaled to $60M ARR and are building a modern CX platform where entire contact centers are powered by intelligent AI workers.

Responsibilities

• Own the design and evolution of core platform and systems architecture
• Lead complex technical initiatives end-to-end, from concept to production
• Make high-leverage technical decisions that balance speed, reliability, and scale
• Raise the technical bar through design reviews, mentoring, and hands-on leadership
• Partner closely with product to translate business needs into robust technical solutions
• Identify and resolve performance, scalability, and reliability bottlenecks
• Help define engineering best practices as we scale the team and platform

Requirements

• 9+ years of experience building and operating production systems
• Experience at Staff or Principal level (or equivalent scope)
• Strong expertise in systems design and reasoning about tradeoffs
• Proven track record of building or scaling platforms used by real customers at meaningful volume
• Ability to thrive in ambiguity and define paths forward for complex problems

Preferred Qualifications

• Experience with distributed systems
• Experience with Voice AI or real-time systems
• Experience with APIs at scale
• Experience with infrastructure/platform work or developer-facing products