AI VOICE AGENT BACKEND ENGINEER-FASTAPI, ADK, GCP, A, MCP - (Y272)

**job title: ai voice agent backend engineer (fastapi, adk, gcp, a2a, mcp)** location: remote (us-based or compatible time zones preferred) employment type: contract or contract to hire about us at kognitiiv.ai, we're building a suite of next-gen ai voice agents-smart, scalable, digital assistants for small and mid-sized businesses. from customer service to it support and receptionist automation, our agents are transforming how companies interact with their customers using ai, nlp, and voice tech. we're looking for a backend engineer who lives and breathes ai infrastructure, voice-based agents, and python microservices. you'll help us power everything under the hood-from conversation memory and retrieval pipelines to the agent brain itself. key responsibilities - develop and maintain backend services using fastapi for our ai voice agents - build, scale, and containerize services using docker and kubernetes - integrate and optimize voice workflows using twilio, speech-to-text, text-to-speech, and elevenlabs - implement and scale retrieval-augmented generation (rag) pipelines using vector databases - build and deploy agents using langchain, crewai, mcp, adk, and related orchestration frameworks - connect with llm apis like openai, claude, and gemini via restful endpoints - work within google cloud platform, using vertex ai, cloud functions, and secure data pipelines - architect data gathering tools and model context protocols for long-term memory and agent reliability - collaborate cross-functionally with frontend, product, and ai research teams ...