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Member of Technical Staff, Agentic Developer Experience

Vapi· Engineering
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Hybrid (San Francisco)Full-timePosted 2mo ago

About the role

Role focused on building a cohesive agentic development lifecycle for Vapi's real-time voice AI, connecting sandboxes, CI, verification, and background agents to accelerate shipping to 10× faster.

Responsibilities

  • Map and instrument Vapi’s path from task to production, identify constraints, and ship improvements to sandbox environment, developer tooling, or validation infrastructure.
  • Launch the first production workflow in Vapi’s internal software factory and provide background agents with context, tools, sandbox, telemetry, and automated quality gates for review-ready PRs backed by evidence.
  • Own and launch Vapi’s platform for autonomous, background engineering; build a harness for agents to place real calls, measure latency, conversation quality, inspect telemetry, and iterate to verified results; accelerate shipping velocity.

Qualifications

  • Built internal platforms, developer tooling, or infrastructure that materially changes how engineers build, test, and ship software.
  • Hands-on engineer with strong fundamentals across distributed systems, platform architecture, API design, CI/CD, and monorepo workflows.
  • Experience building agent harnesses and using coding agents (e.g., Claude Code, Codex, Cursor, or open-source equivalents) on real engineering work.
  • Design of secure agent interfaces, MCP integrations, and sandboxed runtimes where agents can call APIs, run CLI commands, and use tools safely.
  • Experience building or operating online and offline LLM evaluation systems with reasoning about accuracy, latency, reliability, and cost.
  • Fluency in TypeScript, Python, or Go; comfortable across containers, databases, queues, orchestration, and cloud infrastructure.
  • Knowledge of frontier models and techniques (prompt caching, context compression, retrieval, multi-agent coordination) and discerning when new tools are useful.
  • Ability to thrive in ambiguity, turn fragmented experiments into simple, reusable systems.

Skills

Required:Internal platform developmentDistributed systemsAgent harnessesSecurity and sandboxingLLM evaluation systemsProgramming languagesFrontend/Backend/cloud tooling
Nice to have:frontier models / multi-agent coordination

Benefits

  • Competitive salary and equity ownership
  • Comprehensive health coverage: medical, dental, and vision
  • Quarterly off-sites and team-building
  • Flexible time off
  • Catered meals, transportation, equipment, and a $10k annual L&D budget
Last updated Sep 10, 2026. Interested? Apply on the company site.
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About Vapi

Build Advanced Voice AI Agents

Build, test, and deploy advanced voice AI agents in minutes with Vapi. The platform for developers creating conversational voice AI.

AI AgentsAI DevelopmentConversational AIVoice AIVoice AI PlatformVoice Agentsorchestrationvoice-ai-stack
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