Senior Voice AI Engineer to design and build real-time conversational voice systems that integrate into our engagement workflows. The role focuses on low-latency, production-grade voice pipelines with STT, LLM, and TTS. Responsibilities include building real-time pipelines, optimizing streaming systems (LiveKit), implementing VAD turn-taking, crafting prompts for multi-turn flows, integrating LLMs with voice interfaces, latency optimization, and ensuring scalability and observability. Requirements include 5+ years software engineering experience, hands-on STT/TTS/VAD, LiveKit/WebRTC experience, strong LLM/prompts, Python, and production-grade systems experience. What we offer: Hybrid arrangement, meals, health insurance, parking, well-being benefits, equipment, events, discounts, training, social area.
Job Details
Responsibilities
- Design and build real-time voice AI pipelines
- Develop and optimize low-latency streaming systems using tools like LiveKit
- Implement and fine-tune Voice Activity Detection (VAD) and turn-taking logic
- Engineer robust prompting strategies for conversational AI (multi-turn, context-aware flows)
- Integrate LLMs with voice interfaces for agent-assist and autonomous interactions
- Optimize for latency, interruption handling, and conversational naturalness
- Evaluate and improve speech recognition accuracy and voice synthesis quality
- Work closely with product and operations to embed voice AI into player engagement workflows
- Ensure scalability, observability, and fault tolerance of real-time systems
Requirements
- 5+ years of experience in software engineering, with strong exposure to real-time or AI systems
- Hands-on experience with voice AI components including STT, TTS & VAD
- Experience with LiveKit or similar real-time communication frameworks (WebRTC, media pipelines)
- Strong experience with LLMs and prompt engineering for conversational systems
- Proficiency in Python
- Understanding of latency optimization and streaming architectures
- Experience building and deploying production-grade systems
Skills & Technologies
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