Founding Engineer, Voice AI Platform

Heard; San Francisco (CA); Hybrid; USD 140,000 - 230,000; Full time

Job summary

Heard is building a new way for humans to interact with software by giving code a voice and surfacing what truly matters as it runs. Heard seeks a Founding Engineer to design, build, and scale the core platform that translates agent activity into actionable conversations for developers.

Hybrid role with team locations in NYC, SF, and Toronto, including the San Francisco Bay Area. You will write production-quality code across backend, APIs, and the user-facing interface, integrate with AI agents,

Qualifications

• Strong software engineering skills in modern languages and production systems.
• Backend API design, databases, and distributed or event-driven architectures.
• Experience with AI/ML or agent-based systems and integrating with LLMs.

Responsibilities

• Write production-grade code across backend and frontend components.
• Integrate with AI agents and developer tools.
• Experiment with real-time streaming and voice interfaces.
• Improve reliability and performance of the platform.
• Collaborate with founding team on architecture, strategy, and culture.

Skills

Software engineering

Backend development

Frontend development

AI/ML familiarity

LLM integration

Startup experience

Communication skills

Education

Bachelor's degree in Computer Science or equivalent

Tools

APIs design

Databases

Web frontend frameworks

Job description

Heard is building a new way for humans to interact with software by giving code a voice and surfacing what truly matters as it runs. Heard seeks a Founding Engineer to design, build, and scale the core platform that translates agent activity into actionable conversations for developers.

Hybrid role with team locations in NYC, SF, and Toronto, including the San Francisco Bay Area. You will write production-quality code across backend, APIs, and the user-facing interface, integrate with AI agents,