Senior Rust Developer

We are seeking an experiencedSenior Rust Developer to develop and maintain a software development kit that enables client applications to securely communicate with backend platform services through gRPC.

The role focuses on designing stable, developer-friendly interfaces and reliable communication layers for integration into mobile applications, game engines, and other client environments. You will contribute to a modern educational technology ecosystem that combines structured learning, educational games, and short-form educational media.

Responsibilities

• Develop and maintain a Rust-based software development kit for communication with backend services through gRPC
• Design clear, stable, and well-documented public interfaces for client application developers
• Implement reliable, secure, and efficient networking, authentication, error handling, retries, and request lifecycle management
• Support integration of the software development kit into mobile applications and game engines
• Collaborate with backend, mobile, web, game, and product teams to define integration requirements and technical contracts
• Contribute to protocol design, versioning strategies, compatibility, testing, and release processes
• Improve developer experience through documentation, examples, automated tests, and integration guidance
• Identify and address performance, reliability, observability, and security concerns in client-to-service communication
• Use artificial intelligence-assisted development tools responsibly to improve delivery speed, code quality, documentation, and testing

Requirements

• 2+ years of hands-on project or production experience with Rust
• Demonstrated production experience building or integrating gRPC-based services or clients
• Experience designing and maintaining reusable libraries, client libraries, or software development kits
• Strong understanding of asynchronous programming, concurrency, networking, error handling, and secure communication patterns
• Experience working with protocol definitions, service contracts, serialization, compatibility, and versioning
• Ability to write maintainable, well-tested, production-quality code
• Familiarity with artificial intelligence-assisted development workflows and practical use of related tools
• Strong written communication skills and the ability to collaborate effectively in a distributed team environment
• English proficiency at an Upper-Intermediate level (B2) or higher

Nice to have

• Experience supporting Rust applications across mobile, game engine, or cross-platform environments
• Experience with authentication, authorization, token management, and secure client-side session handling
• Experience with educational technology, gaming, media platforms, or consumer-facing applications
• Familiarity with family accounts, child safety, permissions, privacy-sensitive data, or parent-facing product features
• Experience improving developer experience through documentation, code samples, developer tooling, or automated integration testing