Staff/Senior Software Engineer, CAD App (Full stack)

Motif is building an agent-native platform for designing and building buildings. The Staff/Senior Software Engineer will develop high-performance 3D modeling applications, contribute across the Rust and web stack, collaborate with product and design partners, and maintain automated test coverage.

Responsibilities:

• Design, develop, and maintain high-performance applications in Rust, leveraging the language's strengths in safety, concurrency, and performance
• Contribute across the stack as needed — React, TypeScript, WebAssembly
• Partner with product managers and user experience designers to clarify requirements and to translate them to software features
• Maintain necessary automated test coverage by implementing unit and integration tests

Requirements:

• Understanding of 3d modeling domain as applied to architecture, mechanical design, game development or an adjacent field
• 5+ years of experience developing complex, production-quality software products
• Production-level Rust or other object-oriented development experience, with a strong understanding of memory management, concurrency, and performance optimization
• Proficiency in at least one additional language (JavaScript, TypeScript) for contributing across the stack
• Experience building web applications
• Experience using AI-assisted development tools in real production work
• Excellent problem-solving, communication, and collaboration skills
• Understanding of design-by-composition and its applications in Rust
• Experience with WebAssembly in a browser context — compiling Rust to WASM and integrating WASM modules into a JavaScript/TypeScript application
• Experience in building and maintaining complex high-performance distributed systems