Principal AI Platform Engineer

Endgame; United States; Remote; USD 100,000 - 130,000; Full time

Benefits offered by this job

Competitive compensation and equity

401k, health, dental, and vision insurance

Flexible time off

Paid parental leave

Education stipend

Job summary

Endgame is looking for a skilled engineer to build and evolve their MCP server and agent tool surfaces. You will design tool schemas and manage context windows, ensuring every tool call returns the right data quickly.

The ideal candidate has deep expertise in the TypeScript and JavaScript ecosystem, familiarity with Python, and a strong understanding of LLM and agent tooling. You will ship React components, harden the public API layer, and oversee performance and reliability.

Competitive compensation, equity, health insurance, and flexible time off are offered.

Qualifications

• Deep understanding of the TypeScript and JavaScript ecosystem.
• Familiarity with Python.
• Experience in designing and implementing LLM and agent tool surfaces.
• Experience in developing APIs with focus on observability and authentication.
• Strong product instincts to translate ambiguous needs into engineering scope.

Responsibilities

• Build and evolve the MCP server and agent tool surfaces.
• Ship frontend features, tRPC routes, and React components.
• Design and harden the public API layer.
• Integrate new data sources into the product.
• Translate product goals into engineering scope.
• Own end-to-end quality on the surfaces you ship.

Skills

TypeScript and JavaScript ecosystem

Python

LLM and agent tool surfaces

API development

Collaborative action

Tools

AI coding tools

Redis

Job description

Endgame is looking for a skilled engineer to build and evolve their MCP server and agent tool surfaces. You will design tool schemas and manage context windows, ensuring every tool call returns the right data quickly.

The ideal candidate has deep expertise in the TypeScript and JavaScript ecosystem, familiarity with Python, and a strong understanding of LLM and agent tooling. You will ship React components, harden the public API layer, and oversee performance and reliability.

Competitive compensation, equity, health insurance, and flexible time off are offered.