Senior Staff Machine Learning Engineer_Voice AI

Description

This senior staff role sits within the Voice AI engineering team and centres on the core Voice Platform.

The team builds voice systems used by customers, and you will help shape both the technology and how it is delivered.

Responsibilities

• Help design, build and roll out the core Voice Platform, including audio acquisition, conversation management, speech generation, the API, integration of self-hosted Voice AI models, and the Voice Harness.
• Work with product managers and customers to learn their use cases and technical challenges, and help them succeed.
• Build and deploy large distributed Voice AI systems that run across multiple regions and data centers.
• Write clean, scalable, reusable code and enforce engineering standards such as code reviews and unit testing.
• Help improve SRE practice by turning operational needs into requirements for software tooling.
• Mentor colleagues and share knowledge across Voice AI engineering disciplines.

Requirements

• 12+ years of relevant industry experience.
• Hands-on experience building distributed Voice AI systems at large operational scale.
• 4+ years integrating LLMs into applications, without training the models themselves.
• 2+ years building agents through prompt engineering and developing LLM-based experiences.
• 4+ years developing in Python, Golang, Java or similar languages.
• Experience running highly available distributed workloads on Kubernetes using a DevOps approach.
• Critical thinking about how AI can fit into work processes, decisions and problem-solving, such as using AI tools, automating workflows, analyzing AI-driven insights, or assessing AI's impact on the function or industry.
• Experience working with AI coding tools such as Claude Code, Cursor or Windsurf.
• Experience building compliance and security software in regulated environments is an asset.

Conditions

Work persona is flexible, remote or required in office, assigned according to the nature of the work and the work location.

To confirm eligibility for a work persona, the company may measure the distance between your primary residence and the nearest office using a third-party service.

Benefits

• Base pay of $201,300 to $352,300 for positions in this location, plus equity when applicable, variable or incentive pay, and benefits.
• Base pay is a guideline. Total compensation depends on qualifications, skill level, competencies and work location, and pay varies by the geographic location of the role.
• Health plans, including flexible spending accounts.
• 401(k) with an employer match, an employee stock purchase plan, matching donations, a flexible time-off plan, and family leave programs.
• Sales positions generally offer an On Target Earnings incentive structure.