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Senior Software Engineer, Inference

AssemblyAI· Engineering
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Hybrid (Remote - North America)$190k - $225kFull-timePosted 1mo ago

About the role

Senior Software Engineer role focused on turning cutting-edge AI research into production-ready APIs and scalable inference infrastructure for AssemblyAI’s Voice AI platform.

Responsibilities

  • Design and ship customer-facing APIs that expose new model capabilities, owning them from prototype through launch and ongoing iteration.
  • Scale inference infrastructure to support 1M+ API users
  • Partner with researchers to productionize new techniques, turning proofs-of-concept into production-grade services with appropriate latency and reliability
  • Work with customers and Applied teams to understand usage and inform product design and research direction
  • Contribute across the stack as needed: backend services, inference infrastructure, SDKs, internal tooling

Qualifications

  • Strong backend engineering experience, including building and supporting machine learning infrastructure and/or customer-facing APIs in production
  • Comfort operating with ambiguity and aligning research timelines with product timelines
  • Genuine curiosity about AI/ML and ability to make informed engineering decisions around models
  • Strong collaboration skills across researchers, applied engineers, and customers

Skills

Required:Backend engineering
Last updated Oct 21, 2026. Interested? Apply on the company site.
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About AssemblyAI

APIs for AI models

AssemblyAI is an applied AI company. We research, train, and deploy State-of-the-Art AI models for developers and product teams to integrate into their products/apps. Today, we offer AI models for audio transcription, content moderation, summarization, topic detection, and many other tasks. We are working towards building the "Stripe for AI models" - where developers and product teams will be able to easily access State-of-the-Art AI through a simple API. We're a fully remote team of AI researchers and ML engineers, and have raised over $65M in funding from top investors including Accel, Insight Partners, Y Combinator, John/Patrick Collison, Daniel Gross, and Nat Friedman.

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