Senior Software Engineer - AI API & Inference Scale

AssemblyAI; Hull and East Yorkshire; On-site; GBP 142,000 - 168,000; Full time

Job summary

AssemblyAI is hiring a Software Engineer to turn cutting-edge AI research into reliable products used by customers daily. You’ll work between research and Applied teams, moving new model capabilities from proof of concept to robust APIs serving production traffic at scale.

You’ll join a fast-paced engineering team that values ownership and fast iteration. You’ll design customer-facing APIs, scale inference infrastructure, and collaborate with researchers to ship reliable, well-documented

Qualifications

• Experience building production-grade ML infra and APIs.
• Ability to operate with ambiguity and align timelines.
• Strong collaboration with researchers and applied engineers.

Responsibilities

• Design and ship customer-facing APIs exposing new model capabilities.
• Scale inference infrastructure for 1M+ API users.
• Productionize new techniques with latency and reliability in mind.
• Work with customers and Applied teams to feed product direction.
• Contribute across the stack: backend services, infra, SDKs, tooling.

Skills

Backend engineering

ML infrastructure

Customer-facing APIs

Collaboration

Job description

AssemblyAI is hiring a Software Engineer to turn cutting-edge AI research into reliable products used by customers daily. You’ll work between research and Applied teams, moving new model capabilities from proof of concept to robust APIs serving production traffic at scale.

You’ll join a fast-paced engineering team that values ownership and fast iteration. You’ll design customer-facing APIs, scale inference infrastructure, and collaborate with researchers to ship reliable, well-documented