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About Us Zoo is building the next generation of hardware design tools redefining how hardware products are designed, developed, and built. Our platform combines a modern, cloud-native CAD environment with AI-powered engineering workflows, helping teams design, iterate, and manufacture products faster than ever before. We are headquartered in Los Angeles, CA with both a local and remote team. We were founded and incubated by Embedded Ventures in 2021. About You We’re looking for curious, innovative, and ambitious self-starters to join our growing team to help us bring our mission to life. We think you’ll thrive on our team if you’re: Curious at your core, with an eagerness to learn and do things differently Customer-focused, always thinking about ways to improve the user experience Able to operate autonomously and work asynchronously, while also being an effective team player About The Role As a Senior Frontend Engineer at Zoo, you'll play a crucial role in the development and enhancement of our novel open-source CAD modeling app, Zoo Design Studio. This unique, DSL-driven application leverages traditional CAD UI for code generation/editing while streaming a 3D scene from our remote graphics engine. This is a "back of the front-end" role, where your efforts will be instrumental in creating and gluing features together from our UI that drives DSL code-mods, triggering executions with our Rust/Wasm DSL, or interfacing with our backend's WebSocket API and doing so in an extensible way. We're looking for a seasoned Engineer with substantial experience building highly performant, scalable web applications with a deep understanding of performance optimization techniques. This is an awesome opportunity to significantly impact one of our core products during this critical phase of growth for our team. What You’ll Do Develop and optimize the frontend of our modeling app, focusing on performance and user experience Collaborate with backend teams to design and implement robust APIs that support the app's code-driven design functionality Enhance the app's UI/UX by leveraging Typescript, React, and XState, ensuring that the interface is both powerful and easy to use Develop delightful CodeMirror extensions that bridge the gap between the user's code and the 3d-model Implement advanced AST/code-mods, CodeMirror enhancements, and deep integration with WebAssembly (Wasm) for performance improvements Utilize Xstate for state management to maintain app consistency and reliability across various user interactions Apply a deep understanding of JavaScript and browser internals to improve app functionality and performance What You’ll Need B.S. in Computer Science or a related field, or equivalent professional experience Substantial experience in frontend software development building complex, highly performant and scalable applications Strong proficiency in Typescript and React, with a portfolio or examples of complex applications built using these technologies Deep knowledge of JavaScript and its internal workings and performance optimization techniques Familiarity with WebAssembly (Wasm) and its use in web applications for performance enhancements Understanding of browser internals across major browsers (Chrome, Firefox, Chromium, Brave, etc.) and their impact on application performance and compatibility Knowledge of Xstate or similar state management libraries Nice to Have Proficiency with Rust Experience with CodeMirror6 Experience with ASTs even if custom ESLint rules Experience with WebGL or web graphics A background in geometry and/or experience with design-based software The salary range for this role is provided below. The final offer will depend on multiple factors including candidate experience, skills, expertise, and market data. Compensation may vary by geography. In addition to salary, we offer competitive equity as well as a full benefits package which may vary by geography as well. Salary Range $145,000—$195,000 USD Zoo is an equal-opportunity employer committed to creating a diverse and inclusive workplace. The Zoo team is made up of incredibly talented and unique individuals from across the globe. All qualified applicants will receive equal consideration for employment without regard to race, color, religion, sex, gender identity, sexual orientation, national origin, disability, Veteran status, age, or any other trait that unfairly targets a group of people. We encourage everyone interested in our mission to apply! Originally posted on Himalayas