Full Stack Staff Engineer

- 8+ years of professional experience building mobile apps, games, backend services, or similarly complex product engineering systems - Strong professional experience with C#, ASP.NET, and backend service development in production environments - Strong professional experience building shipped mobile or frontend experiences, ideally with React Native, TypeScript, and JavaScript - Experience designing and consuming APIs using HTTP, REST, protobuf, or similar client/server communication patterns - Experience building cloud-native services on AWS with technologies such as DynamoDB, Redis, OpenSearch, SQS/SNS, or similar services - Strong software engineering fundamentals, including concurrency, design patterns, API design, testing, debugging, and maintainable architecture - Solid understanding of mobile networking, offline behavior, app lifecycle concerns, push notifications, and platform limitations - Experience leading technical design, influencing architecture, mentoring engineers, and aligning technical work across teams - Ability to write effective prompts, supervise agent-driven development work, and guide safe, useful AI-assisted engineering practices - Excellent technical communication skills and a desire to address player and stakeholder feedback