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Senior AI Builder

Foster City, CA💼 Full-time🗓 2026-07-17 → 2026-07-31

Core

Design, architect, and ship custom AI-powered internal platforms that run operations across Replit's functional departments (People Ops, Support, Sales, Finance, etc.) by translating ambiguous business problems into technical solutions.

Role type

Senior IC AI Builder / Internal Platform Engineer

Builds

Custom internal software platforms and AI agents for operational efficiency

Domain

SaaS / Internal Tools / Applied AI / Large Language Models

Deliverable

production ML models | product features | infrastructure

Required skills

AI/LLM architecture, prompt engineering, tool-call design, system integration, Python, TypeScript, SQL, stakeholder management, business acumen

Preferred skills

Startup founding experience, AI-native product background, Replit platform familiarity, mobile development (React Native)

Technologies

Python, TypeScript, JavaScript, SQL, LLM APIs, Replit Agent, Replit Deployments

Responsibilities

Design and ship AI-powered internal platforms; Architect multi-stage AI pipelines with LLMs; Partner with department leads to scope solutions; Integrate third-party enterprise systems; Maintain production reliability and iterate based on telemetry

Seniority

Senior, hands-on IC

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