Senior Staff Engineer - Voice AI & Real-Time Systems

Bluejay; San Francisco (CA); On-site; USD 180,000 - 240,000; Full time

Benefits offered by this job

Restaurant d'entreprise

Indemnités de stage/alternance

Job summary

Bluejay is building the simulation, observability, and self-improvement layer for Voice AI agents. The role focuses on architecting and delivering scalable infrastructure on AWS to support millions of concurrent conversations while developing advanced AI/evaluation tooling.

You will work with a small team of ~10, own projects end-to-end, and engage directly with customers in a San Francisco office located in Union Square.

Qualifications

• 2+ years of experience as a senior engineer
• Experience leading technical execution and delivering high-traffic features
• Proficiency across the stack with emphasis on databases, AWS and AI engineering
• Strong design instincts and a track record of building scalable systems
• Comfortable working directly with customers on-site and delivering end-to-end solutions
• Ability to own projects from concept to production in a small team setting

Responsibilities

• Architect and develop systems that simulate, analyze, and evaluate conversational AI agents including voice and multimodal systems
• Design resilient, scalable infrastructure using AWS (Lambda, EC2, Websockets, SIP) to handle millions of real-time conversations
• Develop algorithms and pipelines that surface insights, detect failure modes, and ensure agents are safe and aligned with human intent
• Work on-site with customers, building, selling, and deploying the product to real customers

Skills

2+ years of senior engineering

DevX

Deep system design

OPINIONATED about design decisions

Deep intuition from previous scaling

100x engineering workflow

Technical leadership experience

On-site customer engagement

Tools

Python

FastAPI

Supabase

Redis

AWS

LiveKit

Deepgram

Cartesia

Elevenlabs

Gemini

Websockets

CI/CD

Job description

Bluejay is building the simulation, observability, and self-improvement layer for Voice AI agents. The role focuses on architecting and delivering scalable infrastructure on AWS to support millions of concurrent conversations while developing advanced AI/evaluation tooling.

You will work with a small team of ~10, own projects end-to-end, and engage directly with customers in a San Francisco office located in Union Square.