Lilt
Machine Learning Engineer (Real-Time Speech Translation)
$120K–$161K
Washington D.C. +2 · Hybrid · Full-time · Posted Oct 2, 2026
- Location
- Washington D.C.
Boston, MA
Indianapolis, IN - Experience
- 3+ years building production backend or ML serving systems in Python.
- Education
- BS or MS in Computer Science or a related field, or equivalent practical experience.
- Visa sponsorship
- Requires US citizenship and residence in the United States.
About the job
Build and operate the real-time speech translation backend, connecting streaming speech recognition and machine translation models into a low-latency production system.
What you'll do
- Develop high-throughput audio and text streaming services, including session, signal-processing, and concurrency management.
- Integrate and serve speech and translation models; improve confidence workflows and real-time updates.
- Scale GPU-backed Kubernetes infrastructure and measure and optimize latency, throughput, and cost.
What they ask for
- BS or MS in Computer Science or a related field, or equivalent practical experience.
- 3+ years building production backend or ML serving systems in Python, including strong asyncio skills.
- Experience with real-time streaming transport (WebSocket or gRPC bidirectional streaming) and production GPU model serving with Docker and Kubernetes.
- Experience integrating speech or NLP models into production; profiled, instrumented, and optimized a real-time or low-latency system.
Nice to have
- Ray Serve, simultaneous or incremental machine translation, or production confidence estimation.
- RabbitMQ or similar, streaming text-to-speech, WebRTC/SFU, CJK text handling, or Datadog/Prometheus.
Pay
$120,000 – $161,434 USD base salary
Tools
Python, asyncio, WebSocket, gRPC, Ray Serve, Triton, vLLM, Kubernetes
AI focus
Build a real-time speech translation system integrating streaming speech recognition and machine translation; use AI coding agents in development. The posting also describes AI-assisted application evaluation.
Model-written summary · the original posting is authoritative