Remote AI Platform Engineer — Build Developer Tools

Harakumo; United States; Remote; USD 120,000 - 160,000; Full time

Benefits offered by this job

Remote work with US overlap

Job summary

Harakumo is seeking an engineer to design and operate the AI capabilities behind a developer platform. You will work on model access, search, memory, hosted agents, and tools that enable AI assistants to create and run applications.

The role blends product engineering with reliability and cost controls, delivering consistent interfaces for multiple AI services and owning the platform end-to-end.

Qualifications

• Product-minded engineering and ownership of AI platform services.

Responsibilities

• Develop an OpenAI-compatible gateway with model routing, tool calling, and structured outputs.
• Build vector search, per-user memory, and hosted agent services.
• Improve an MCP connector and its widgets so assistants can deploy applications from a short description.
• Implement usage metering, spending limits, and clear error handling to make AI costs predictable.
• Create evaluations and compatibility checks to verify model capabilities and keep documentation accurate.

Skills

Product-minded engineering

Ownership of AI platform services

Job description

Harakumo is seeking an engineer to design and operate the AI capabilities behind a developer platform. You will work on model access, search, memory, hosted agents, and tools that enable AI assistants to create and run applications.

The role blends product engineering with reliability and cost controls, delivering consistent interfaces for multiple AI services and owning the platform end-to-end.