Senior Platform Engineer, Voice AI

Benefits

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Market context

Median wage (BLS OEWS)

$116,543 national median

Projected growth (BLS Employment Projections)

+9.8% - Much faster than average

97% above the BLS national median for software engineering aggregate.

Matched to SOC 15-1252 - Software Engineering aggregate by role bucket.

Source: U.S. Bureau of Labor Statistics, OEWS, May 2024 and Employment Projections, 2024-2034.

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About this role

Senior Platform Engineer, Voice AI San Francisco About the Role Together AI is building the best inference infrastructure for voice applications. Our Voice AI platform powers production-grade, real-time voice agents and applications - serving speech-to-text and text-to-speech models with best-in-class latency and reliability. We're looking for a Senior Platform Engineer to own the API and infrastructure layer for voice workloads. You'll build the real-time WebSocket and HTTP APIs that developers use to ship voice experiences, design autoscaling for latency-sensitive streaming workloads, and ensure our multi-provider voice platform is reliable enough for production voice agents handling millions of calls. This is a foundational hire on a small, high-impact team. Voice APIs have fundamentally different infrastructure requirements than text-based inference - bidirectional audio streaming, stateful connections, tight latency SLOs, and complex multi-model routing. You'll define how developers interact with Together's voice platform as we grow from early customers to the default infrastructure for voice AI. - Own the real-time API layer (WebSocket + HTTP streaming) that powers Together's voice platform. - Design autoscaling and orchestration for voice workloads running on tens of thousands of GPUs. - Build the developer experience - APIs, observability, and tooling - for a fast-growing product area. - Work with production voice customers (contact centers, AI agents, communication platforms) to ship what they actually need. - Join a small, early-stage team with outsized impact on a new product line. Responsibilities - Build and harden real-time WebSocket and HTTP streaming APIs for STT and TTS - including connection lifecycle

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