Engineering

Marketing

Business Development

Information Technology

Alternate-history sandbox game for creating custom worlds.

Founding Engineer - Harness Optimization

Pax Historia is creating an interactive entertainment platform for worldbuilders, storytellers, and game developers. The Founding Engineer will optimize AI-driven game experiences by experimenting with workflow architecture and prompts, adapting systems to different models, and building evaluations to measure improvements in storytelling quality.

Founding Engineer - LLM Infra & Platform

Pax Historia is creating the future of interactive entertainment by building a platform for worldbuilders, storytellers, and game developers. The Founding Engineer will own the system that routes requests across AI providers, focusing on provider reliability, structured outputs, caching, routing, and monitoring. The role is responsible for improving model reliability, cost, and latency at scale without owning model training or inference.