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Sr. AI Voice Engineer @ HAN

Los Angeles, California, USOnsiteFull-time
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About this role

This role involves working with state-of-the-art speech recognition, speech synthesis, voice streaming, and AI agent frameworks to create scalable voice solutions for customer service, sales, finance, and automation applications. This is an on-site position with no relocation assistance provided.

If you're passionate about conversational AI and enjoy solving challenging engineering problems, we'd love to hear from you.

• Responsibilities

• Design and develop real-time voice-to-voice AI agents.

• Build conversational AI systems using LLMs and agent frameworks.

• Integrate Speech-to-Text (STT) and Text-to-Speech (TTS) technologies into production applications.

• Optimize latency and streaming performance for natural conversations.

• Develop backend services and APIs using Python and C#/.NET.

• Integrate with telephony, voice streaming, and communication platforms.

• Implement conversation memory, tool calling, function execution, and retrieval-augmented generation (RAG) workflows.

• Collaborate with product managers, AI engineers, and software developers to deliver production-ready AI solutions.

• Evaluate emerging AI models, speech technologies, and voice platforms.

• Monitor, troubleshoot, and continuously improve voice agent performance and reliability.

Required Qualifications

• Bachelor's or Master's degree in Computer Science, Software Engineering, Artificial Intelligence, or a related field.

• 5+ years of professional software engineering experience.

• Hands-on experience building voice-to-voice AI applications.

• Strong understanding of:

• Speech Recognition (Automatic Speech Recognition - ASR)

• Speech Synthesis (Text-to-Speech - TTS)

• Voice Activity Detection (VAD)

• Audio streaming and low-latency communication

• Professional experience with Python and C#/.NET.

• Experience consuming AI APIs and working with LLMs.

• Experience building REST APIs and microservices.

• Knowledge of asynchronous programming, event-driven architectures, and real-time streaming.

• Strong debugging, analytical, and problem-solving skills.

Preferred Qualifications

Experience with one or more of the following:

• Real-time conversational AI platforms

• AI agent frameworks

• Retrieval-Augmented Generation (RAG)

• Vector databases

• Prompt engineering and evaluation

• WebRTC, SIP, RTP, or telephony integrations

• Azure AI, Azure OpenAI, or other cloud AI services

• Docker and Kubernetes

CI/CD pipelines and cloud-native application development

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