Lead Prototype Developer — Voice AI Agent Platform (MVP)
📍 Remote / Tel Aviv / Kyiv | Full-time (contract-to-hire option)
Requirements:
- 3+ years in software development
- 2+ years with LLMs, voice, or real-time agents
- Python expert (FastAPI, async, Pydantic v2)
- JS/TS proficient (Node.js, WebSockets, WebRTC)
- LangChain or similar (agents, memory, tools, RAG)
- Streaming STT/TTS: Deepgram, ElevenLabs, Whisper
- LLM integration: OpenAI, Anthropic, Hugging Face
- Backend: PostgreSQL, Redis, Docker, AWS/GCP
What you'll build:
- Sub-500ms STT → LLM → TTS pipeline
- Multi-turn dialogue with memory & tool calling
- Interruption handling & turn-taking logic
- Outbound call campaigns + analytics dashboards
Nice to have:
- Vapi, Bland, or custom voice agent experience
- React / Svelte, Go or Rust
- Background in sales tech / CRM
Benefits:
- Dedicated IT support (infra handled for you)
- Learning budget & API credits
- Flexible hours
- Clear growth path → product/tech lead
- Competitive salary based on experience