AI Developer / AI Engineer Job at Peppr AI (YC W25), Cupertino, CA

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  • Peppr AI (YC W25)
  • Cupertino, CA

Job Description

What You'll Do As a founding AI engineer at Peppr AI, you'll take ownership of designing, developing, and deploying intelligent systems that form the core of our agentic AI platform. You'll build ML/LLM pipelines, integrate AI agents into production systems, and collaborate closely across UX, infrastructure, and backend domains to create seamless AI-powered enterprise experiences.

Key Responsibilities Include

  • Develop end-to-end AI pipelines: data ingestion, context engineering, retrieval-augmented generation (RAG), model integration, validation, and monitoring
  • Design and optimize low-latency voice agents, including STT, VAD, TTS, and streaming solutions using WebRTC or WebSockets
  • Implement production-grade AI features, integrating them with FastAPI endpoints, Weaviate vector databases, and secure authentication systems
  • Collaborate with frontend and backend teams to deliver AI-powered user experiences
  • Continuously evaluate and prototype emerging frameworks (e.g., Hugging Face, LangChain, LLaMA) to improve performance and scalability

Required

What We're Looking For We're seeking a builder excited to push the boundaries of AI in enterprise settings. You should have:

  • 3+ years of experience in AI/ML engineering, with hands-on experience in building and deploying LLM-based systems
  • Strong proficiency in Python and familiarity with frameworks such as Hugging Face Transformers and LangChain
  • Practical experience with Weaviate or similar vector databases for RAG-based systems
  • Understanding of low-latency voice technologies, including streaming pipelines and real-time audio processing
  • Solid background in infrastructure: Docker, Kubernetes, CI/CD, monitoring, and secure API development

Preferred

  • Experience building multi-step agent orchestration or custom AI workflows
  • Knowledge of latency reduction techniques (e.g., model quantization, caching)
  • Familiarity with designing voice-first conversational UX
  • Strong understanding of security, data protection, and adversarial considerations in AI pipelines
  • A product mindset and experience shipping end-to-end features
  • Comfort with ambiguity and rapid iteration in a startup environment

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Job Summary
  • Location
    Cupertino, CA
  • Job Type
    Full Time
  • Salary
    $100k
  • Date Posted
    2026-07-18
  • Expiration date
    2026-08-17