Senior ML Infra & API Engineer - High-Impact Ownership

AssemblyAI; United States; Remote; USD 190,000 - 225,000; Full time

Job summary

AssemblyAI in the United States is hiring a Software Engineer to turn cutting-edge AI research into production-ready APIs used by customers daily. You’ll join a fast-paced engineering team bridging research and applied teams, taking model capabilities from concept to scalable, well-documented production APIs.

The role emphasizes backend work, ML infrastructure, collaboration with researchers, and delivering reliable, low-latency solutions at scale.

Qualifications

• Strong backend engineering experience with scalable systems.
• Experience building/maintaining ML infrastructure for production.
• Ability to design customer-facing APIs and iterate rapidly.

Responsibilities

• Design and ship customer-facing APIs exposing new model capabilities.
• Scale inference infrastructure to support 1M+ API users.
• Collaborate with researchers to productionize new techniques.
• Work with customers and Applied teams to feed product feedback into design.
• Contribute across the stack including backend services and tooling.

Skills

Backend engineering

ML infrastructure

APIs in production

Ambiguity tolerance

AI/ML curiosity

Collaboration

Job description

AssemblyAI in the United States is hiring a Software Engineer to turn cutting-edge AI research into production-ready APIs used by customers daily. You’ll join a fast-paced engineering team bridging research and applied teams, taking model capabilities from concept to scalable, well-documented production APIs.

The role emphasizes backend work, ML infrastructure, collaboration with researchers, and delivering reliable, low-latency solutions at scale.