Senior API Support Engineer — AI/LLM Troubleshooter

OpenRouter, Inc; United States; Remote; USD 120,000 - 170,000; Full time

Job summary

OpenRouter, Inc. seeks a Scaled Support Specialist who sits at the junction of deep technical troubleshooting and clear human communication. You will diagnose complex API issues across multiple LLM providers, translating problems into actionable steps for developers.

As a developer-facing role, you will help customers navigate edge cases, advocate for better documentation, and collaborate with product and engineering to improve the developer experience.

Qualifications

• 4+ years in technical support for an API or developer tools product.
• Exceptional troubleshooting instincts.
• Strong API fluency.
• Proficiency in Python or TypeScript.
• Excellent written communication.
• Comfort with ambiguity.
• Genuine passion for AI and LLMs.

Responsibilities

• Diagnose and resolve complex API issues across OpenRouter's API and providers.
• Reproduce bugs across SDKs, languages, and auth configs using curl, Postman, or small test apps.
• Read logs and traces to determine client-, OpenRouter-, or provider-side problems and propose fixes.
• Translate root causes into clear, actionable steps and communicate with developers.

Skills

API troubleshooting

Technical support

API fluency

Python/TypeScript

Written communication

Ambiguity tolerance

AI/LLMs passion

Tools

LangChain

LlamaIndex

Hugging Face

Observability tools

Job description

OpenRouter, Inc. seeks a Scaled Support Specialist who sits at the junction of deep technical troubleshooting and clear human communication. You will diagnose complex API issues across multiple LLM providers, translating problems into actionable steps for developers.

As a developer-facing role, you will help customers navigate edge cases, advocate for better documentation, and collaborate with product and engineering to improve the developer experience.