CareerPlanSign in

Senior AI Builder

Mountain View, CA💼 Full-time💰 $228,000–$228,000🗓 2026-07-09 → 2026-09-26

Core

Building production-grade AI agents, orchestration frameworks, and evaluation infrastructure to enable AI-native engineering across the platform.

Role type

Senior AI Builder (Platform Engineering & Applied AI)

Builds

Production agent harnesses, MCP servers, evaluation pipelines, and developer tooling for AI adoption.

Domain

Fintech / Applied AI / Platform Engineering

Deliverable

production ML models | infrastructure

Required skills

LLM integration patterns, agent architectures, prompt engineering, RAG pipelines, MCP frameworks, open source LLM models, developer experience (DevEx), full-stack proficiency

Preferred skills

Reinforcement learning (RLHF/RLAIF), AI governance, fintech domain knowledge, multi-step reasoning pipelines

Technologies

MCP, LangChain, open source LLMs

Responsibilities

Design agent thinking (prompts, reasoning chains, tool calls), build evaluation infrastructure and quality gates, create reusable libraries for AI pilots, redefine product development lifecycle with agentic workflows

Seniority

Senior, hands-on IC

Sourced via greenhouse · Listed on CareerPlan, which tracks 70,000+ jobs from 20+ sources.