CollectWise — AI Agent Engineer

• →3–8 years of experience in voice AI infrastructure and backend engineering [Required]

• Built production voice AI systems at scale (e.g. LiveKit, similar voice frameworks) [Required]
• Built voice/agentic systems from scratch — ideally as founding engineer or at an early-stage startup [Required]
• Experience at reputable voice AI companies [Strongly preferred]
• Big Tech (Google, Meta, Roblox) OK if combined with startup or voice AI side projects [Strongly preferred]

• CS degree or related technical field from a strong university [Strongly preferred]

• Voice AI framework experience — LiveKit strongly preferred [Must have]
• Node.js / JavaScript and AWS proficiency [Required]
• Prompt engineering and conversational flow design for voice agents [Strongly preferred]

• Strong written communication — needed for prompt engineering and conversation design work [Required]

• Based in NYC — hybrid 3+ days/week in Flatiron office [Required]

Updated Jul 29, 2026

Reputable Voice AI companies Sierra, Decagon, LiveKit, Deepgram, ElevenLabs, Retell AI, Vapi

Big Tech with strong engineering talent (built voice AI projects) Google, Meta, Roblox, Apple, Amazon, Microsoft, OpenAI, Anthropic

High-growth startups / YC companies with voice/AI infrastructure focus Brex, Replit, Vercel, Resemble AI, Hume AI, Cartesia, AssemblyAI, Speechmatics, Rime Labs

Conversational AI and agent platform companies Parloa, PolyAI, Kore.ai, Voiceflow, Thoughtly, Air AI, Observe.AI, Dialpad, Five9

Non-Ideal Companies — Do Not Source Large companies where candidates spent their whole career with no voice AI / agentic experience: Google, Meta, Amazon, Microsoft, Apple, Oracle, IBM, Salesforce, Cisco, Intel

Note: Google, Meta, Amazon, Microsoft, and Apple appear on both lists — acceptable only when paired with startup or voice AI work; a full career at these with zero voice/agentic experience is the disqualifier.

For reference only — do not source these specific profiles.

Brian Yin — LinkedIn SWE @ LiveKit, Ex-Roblox | Champaign, IL

• At LiveKit — knows the framework better than almost anyone
• Significant voice AI experience plus reputable-company background (Meta intern, strong university)
• Built voice tooling for AI agents at Roblox

Danny Lee — LinkedIn Building @ Sierra | United States

• At Sierra AI, which Sean named as a top reputable voice AI company to source from
• Direct voice AI company experience — the top priority for this role

• Lacks sufficient relevant experience — two candidates rejected at HM Review (Aug 11, 2026)
• Unexplained experience gap — rejected at Initial Screen with Sean (Aug 11, 2026)