Founding AI Integrations Engineer

Runtime; San Francisco (CA); On-site; USD 150,000 - 230,000; Full time

Job summary

Runtime is seeking an AI Ecosystem Engineer to join its fast-scaling AI web search space in San Francisco. This is the founding hire for a brand-new function, focused on making the platform available to developers wherever they work and enabling real-time, auditable web access for AI agents.

You'll own end-to-end integrations, work with product and engineering, and move quickly to ship production-ready tooling for developers across frameworks and platforms.

Qualifications

• 5+ years of software engineering experience.
• Track record building AI agents or AI-powered applications.
• Hands-on experience with MCP, LangChain, LlamaIndex, CrewAI, AutoGen, or similar.
• Strong experience building APIs, SDKs, integrations, plugins, or developer tools.
• Background in prompt engineering, agent workflows, or AI application development.
• Active GitHub profile with meaningful public repos or open-source contributions.
• Bias for speed, experimentation, and shipping often.
• Strong product intuition and a developer-first mindset.
• Excellent written and spoken English.

Responsibilities

• Building integrations across agent frameworks, MCP servers, SDKs, and developer platforms.
• Shipping plugins, skills, connectors, templates, and reference apps that show off what the platform can do.
• Scouting emerging AI ecosystems and shaping the roadmap for where to integrate next.
• Getting production-ready integrations out fast, then iterating on developer feedback.
• Building agent tooling that gives developers live web access through the platform.
• Contributing to open-source projects, publishing technical examples and sample apps.
• Engaging developer communities on GitHub, Discord, X, Reddit, Medium, and beyond.
• Working closely with Product and Engineering to sharpen the developer experience.
• Attending AI community events and hackathons.
• Supporting strategic technology partnerships.

Skills

Software engineering

AI agents

API design

SDK development

Prompt engineering

Developer tools

GitHub

English communication

Tools

MCP

LangChain

LlamaIndex

CrewAI

AutoGen

Job description

Runtime is seeking an AI Ecosystem Engineer to join its fast-scaling AI web search space in San Francisco. This is the founding hire for a brand-new function, focused on making the platform available to developers wherever they work and enabling real-time, auditable web access for AI agents.

You'll own end-to-end integrations, work with product and engineering, and move quickly to ship production-ready tooling for developers across frameworks and platforms.