Principal GenAI Architect

Fractal - Sunnyvale, CA

Hiring: Principal GenAI Architect Company: Fractal Location: Sunnyvale, CA Job Posted Time: 2026-09-03 07:38:44 Employment Type: Full-time / Hybrid Target Skills & Keywords : AI, API Design, AWS, Azure, Docker, Embedded Systems, Kubernetes, LLM, LangChain, LlamaIndex, MLflow, Machine Learning, OpenAPI, Python, RAG, REST, SQL, Vertex AI About the job Experience: •8+ years of overall engineering experience, including 4+ years of hands-on experience building, shipping, scaling, and maintaining production GenAI or LLM systems. Experience limited to prototypes, proofs of concept, or research is not sufficient. •Demonstrated record of personally building RAG pipelines, multi-agent or agentic systems, and LLM-powered analytics or decision-support workflows, with concrete and quantified outcomes. •Deep hands-on expertise with agent orchestration frameworks such as LangGraph, LangChain, LlamaIndex, CrewAI, or the OpenAI or Anthropic agent SDKs. •Practical experience with modern GenAI patterns, including tool or function calling, structured outputs, hybrid and agentic retrieval, context engineering, prompt and evaluation optimization, and multi-agent coordination. •Hands-on experience using agentic coding harnesses and AI-assisted development tools such as Claude Code, Cursor, or equivalent as part of the build workflow. Required Skills: •Design, build, and ship production GenAI systems end to end. Remain hands-on in the codebase rather than directing from a distance. •Own the architecture across LLM orchestration, retrieval, agentic workflows, evaluation, and the analytics delivery layer. •Rapidly prototype against evolving requirements and harden successful approaches into production-ready systems. •Technical Leadership & Quality •Set technical direction for a distributed offshore engineering team and own the quality of what ships. •Establish evaluation, observability, and guardrails so system quality is measurable and defensible. Compensation: •Flexible work environment (work from home / hybrid options) •This role is also eligible for a performance-based bonus tied to achieving sales goals related to new client acquisition and project growth Interested candidates, please apply directly through the job posting on company's career page or try via AI auto apply on this platform. Don't miss this opportunity to join a forward-thinking team!