Pax Historia ยท 7 hours ago
Founding Engineer (Unity Mobile)
San Francisco, CA
Full-time
Onsite
Senior Level
$150K/yr - $215K/yrPax Historia is defining a new category of gameplay using the latest advancements in generative AI. They are seeking a founding-level Unity developer to build their native mobile app, focusing on creating core gameplay features and optimizing for mobile performance.
Computer Games
No H1B
Responsibilities
Building our core gameplay loop for iOS and Android: interactive map, action submission, event viewing, and AI-driven chat
Creating a performant 2D map rendering system capable of displaying thousands of regions with smooth pan/zoom and animated territory changes
Developing a consistent UI component library that matches our web design system (custom components, Poppins typography, dark/light modes)
Integrating with our existing Firebase/Supabase backend and AI services via REST APIs
Implementing push notifications and deep linking for seamless user engagement
Optimizing for lower-end mobile devices and memory-constrained environments
Qualification
Required
You have shipped Unity apps to the App Store and/or Google Play
You can build polished, responsive 2D UI systems in Unity
You understand mobile performance constraints and can optimize for memory, battery, and lower-end devices
You can integrate Unity apps with REST APIs and backend services
You care deeply about UI/UX polish (pixel-perfect alignment, smooth animations, consistent styling)
You are willing to work on the 'boring' but important problems like caching, offline handling, and edge cases
You take ownership of problems and are comfortable advocating for your ideas (while remaining open to evidence)
You know when to say 'no' to yourself and us when something isn't worth the complexity or risk
Preferred
Experience building 2D map/tile-based rendering systems
Familiarity with design systems and building reusable component libraries
Experience implementing push notifications and deep linking in Unity mobile apps
Background in strategy games, simulation games, or map-heavy applications
Prior work at an early-stage startup or as a founding engineer
Experience with Firebase (Authentication, Firestore)
Benefits
0.25% - 1% equity
Non-matching 401k plan
Company
Pax Historia
Pax Historia is a next-generation strategy game where players step into history and shape the world through diplomacy, negotiation, and bold decisions.
Founded in 2024
2-10 employees
Funding
Current Stage
Early StageCompany data provided by crunchbase