Real-Time Voice Platform Engineer

Sela; San Francisco (CA); Hybrid; USD 140,000 - 180,000; Full time

Benefits offered by this job

Medical, dental, vision coverage

401(k) with matching

Unlimited PTO

Snacks and team meals

Hybrid in-office schedule

Job summary

Sela is hiring a software engineer to own major components of our real-time voice platform. You’ll improve latency, audio quality, and transcription while building observability and tools for debugging complex voice issues.

Join a high-growth startup with a focus on scalable, enterprise-grade privacy and AI-powered voice solutions. Hybrid in SF with a remote day, and a chance to impact millions of mortgage-related customer interactions daily.

Qualifications

• 3–6 years of software engineering experience.
• Experience building and operating low-latency, real-time, streaming, or distributed systems in production.
• Strong Python or Go skills and a deep understanding of software design patterns.
• Experience using AI coding tools or agents to ship maintainable, clean code.
• Experience in high-growth startups, ideally Seed through Series B.

Responsibilities

• Own major components of Sela’s real-time voice platform, from architecture and implementation to reliability in production
• Improve voice performance across latency, audio quality, turn-taking, interruptions, transcription, and speech generation
• Build measurement, observability, and debugging tools that make complex voice issues easy to reproduce and diagnose
• Integrate our voice stack with simulation and evaluation systems, including end-to-end voice-to-voice evals
• Train, fine-tune, and deploy models for problems such as turn-taking, interruption handling, and voicemail detection
• Evaluate new voice models and providers, and improve the scalability, reliability, and cost efficiency of a platform handling hundreds of thousands of calls per day

Skills

Python

Go

Distributed systems

Low-latency

Job description

Sela is hiring a software engineer to own major components of our real-time voice platform. You’ll improve latency, audio quality, and transcription while building observability and tools for debugging complex voice issues.

Join a high-growth startup with a focus on scalable, enterprise-grade privacy and AI-powered voice solutions. Hybrid in SF with a remote day, and a chance to impact millions of mortgage-related customer interactions daily.