Software Engineer, Agent Experience

5 hours, 11 minutes ago
Full-time
Junior
Software Development
AssemblyAI

AssemblyAI

AssemblyAI is a leading provider of AI models for transcribing and understanding speech. Their Speech AI models offer accurate speech-to-text conversion, speaker detection, sentiment analysis, and more, enabling users to extract valuable insights from ...

Media
51-250
Founded 2017
$63M raised

Description

  • Drive the agent experience as a first-class user journey alongside human developer experiences.
  • Build and maintain agent skills for Speech-to-Text, Real-time, Dictation, Voice Agents, TTS, and LLM Gateway products.
  • Extend the MCP server and develop authentication and integrations for Claude Code, Cursor, Codex, and future agents.
  • Create agent-ready documentation, llms.txt files, quickstarts, and SDK code samples.
  • Improve system prompts, tool definitions, and agent instructions for in-dashboard agents and onboarding flows.
  • Build evaluations and benchmarks using real coding agents and integration tasks; track success rates, time to first working call, and agent-driven activation.
  • Scale successful agent experience practices across AssemblyAI’s product portfolio.
  • Use AI tools in daily engineering work and help other engineers adopt agent-assisted development.

Requirements

  • 2+ years of professional software engineering experience with solid full-stack fundamentals.
  • Proficiency in JavaScript and/or Python.
  • Daily hands-on experience with coding agents such as Claude Code, Cursor, or Codex.
  • Experience writing prompts, skills, tool definitions, or agent instructions.
  • Interest in evaluating agent performance with measurable benchmarks.
  • Product sense for developer-facing tools and integrations.
  • Strong technical writing skills for both human and machine readers.
  • Comfort working in an ambiguous, emerging discipline with a bias toward shipping.
  • Working knowledge of MCP, LLM tool calling, and agent interactions with documentation and APIs.
  • Experience with MCP servers, agent skill libraries, coding-agent plugins, developer relations, documentation engineering, SDKs, Voice AI, speech-to-text, or LLM APIs is preferred.

Benefits

  • USD salary range of $160,000–$210,000 for U.S. candidates.
  • CAD salary range of C$225,000–C$285,000 for Canadian candidates.
  • Competitive compensation, benefits, and other reward opportunities.
  • Significant ownership and impact within a small, lean team.
  • Equal-opportunity workplace committed to an inclusive environment.

Interested in this position?

Apply directly on the company website

Apply Now

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