HyperFi · 2 months ago
Prompt Engineer / AI Engineer
San Francisco, CA
Full-time
Hybrid
Senior Level
5+ years expHyperFi is a company focused on building a fast and flexible platform to address real-world complexity. They are seeking a Prompt Engineer / AI Engineer to design and implement intelligent systems, moving from prototype to production while working closely with the CTO and Tech Lead.
Computer Software
Responsibilities
Build agentic LLM pipelines using LangChain, LangGraph, and LangSmith
Design and iterate on prompt strategies, with a focus on consistency and context
Construct retrieval-augmented generation (RAG) systems from scratch
Own orchestration of PySpark and Databricks workflows to prepare inputs and track outputs
Instrument evaluation metrics and telemetry to guide prompt evolution
Work alongside product, frontend, and backend engineers to tightly integrate AI into user-facing flows
Qualification
Required
5–7 years building production-grade ML, data, or AI systems
Strong grasp of prompt engineering, context construction, and retrieval design
Comfortable working in LangChain and building agents, not just chains
Experience with PySpark and Databricks to handle real-world data scale
Ability to write testable, maintainable Python with clear structure
Understanding of model evaluation, observability, and feedback loops
Excited to push from prototype → production → iteration
Confident English skills to collaborate clearly and effectively with teammates
Preferred
Have built agent-like workflows with LangGraph or similar
Have worked on semantic chunking, vector search, or hybrid retrieval strategies
Can walk us through a real-world prompt failure — and how you fixed it
Have contributed to OSS tools or internal AI platforms
Think of yourself as both an engineer and a systems designer
Benefits
Flexible hours
Async-friendly culture
Engineering-led environment
Company
HyperFi
HyperFi is building an AI-powered operating system to transform how the world’s most connected companies buy, sell, and scale technology.
2-10 employees
Funding
Current Stage
Early StageCompany data provided by crunchbase