Senior Staff Machine Learning Engineer_Voice AI Engineer

What you get to do in this role:

• Contribute to the design, development and implementation of the core Voice Platform (Audio Acquisition, Conversation Management, Speech Generation, integration with API and self-hosted Voice AI models, Voice Harness) 

• Partner with product managers to work with customers, understand their use cases and technology challenges, and build for their success 

• Build and deploy large Voice AI distributed systems at scale spanning multiple regions and datacenters 

• Build high-quality, clean, scalable and reusable code by enforcing best practices around software engineering architecture and processes (Code Reviews, Unit testing, etc.) 

• Contribute to the continuous improvement of the SRE practice by turning operational use cases into requirements for software tooling 

• Be a mentor for colleagues and help promote knowledge-sharing across Voice AI engineering disciplines 

To be successful in this role you have:

• 12+ year of relevant industry experience 

• Hands-on experience building distributed Voice AI systems with a large operational scale 

• 4+ years building LLM-based applications (integrating models, not training) 

• 4+ years of development experience with Python, Golang, Java, or similar languages.  

• 2+ years of experience building agents (prompt engineering) and developing LLM-based experiences 

• Working experience operating highly available distributed workloads on Kubernetes following a DevOps approach.  

• Experience building software for compliance and security in regulated environments is considered an asset  

• Critically thinking around AI integrations for work processes, decision-making, or problem-solving. This may include using AI-powered tools, automating workflows, analyzing AI-driven insights, or exploring AI's potential impact on the function or industry.   

• Experience building with AI tools such as Claude Code, Cursor, Windsurf 

For positions in this location, we offer a base pay of $201,300 - $352,300, plus equity (when applicable), variable/incentive compensation and benefits. Sales positions generally offer a competitive On Target Earnings (OTE) incentive compensation structure. Please note that the base pay shown is a guideline, and individual total compensation will vary based on factors such as qualifications, skill level, competencies, and work location. We also offer health plans, including flexible spending accounts, a 401(k) Plan with company match, ESPP, matching donations, a flexible time away plan and family leave programs. Compensation is based on the geographic location in which the role is located and is subject to change based on work location.