Principal Engineer - Frontend

Principal Engineer - Frontend at CodeRabbit

Provide technical leadership as a Principal Frontend Engineer building the next generation of Gen AI-driven code review platforms. Shape frontend architecture for human-machine collaboration systems that significantly outperform individual engineers.

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🏢 About CodeRabbit

CodeRabbit is an innovative R&D company focused on building extraordinarily productive human-machine collaboration systems. They combine language models with human ingenuity to push the boundaries of software development efficiency and quality through advanced AI-driven code review.

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🎯 The Role

As a Principal Frontend Engineer, you'll drive technical vision and architecture decisions across multiple teams. You'll design core frontend systems, establish standards and design systems, mentor engineers, and build a world-class engineering culture focused on developer tooling excellence.

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🛠️ Tech Stack

• JavaScript / TypeScript
• React / Vue / Angular
• Frontend Build Systems and Testing Frameworks
• CI/CD Pipelines
• WebAssembly / Service Workers
• Web APIs and Browser Internals
• WCAG Accessibility Standards

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💼 What You'll Do

• Drive frontend technical vision and architecture decisions across multiple teams
• Design and implement core frontend systems that power the AI code review platform
• Identify and solve complex technical challenges related to performance, accessibility, and UX
• Establish frontend standards, best practices, and design systems across the organization
• Mentor frontend engineers and elevate the technical capabilities of the team
• Contribute to open source frontend projects that align with the mission
• Partner with product and design leadership to translate user needs into exceptional solutions
• Evaluate emerging frontend technologies and recommend adoption strategies

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✅ What You'll Need

• 10-15 years of professional software engineering experience with at least 7+ years focused on frontend development
• Deep expertise in modern JavaScript, TypeScript, and at least one major frontend framework
• Proven track record of technical leadership on complex large-scale frontend systems
• Extensive experience building developer tools, platforms, or complex web applications
• Strong understanding of frontend architecture patterns, performance optimization, and web standards
• Experience with frontend build systems, testing frameworks, and CI/CD pipelines
• History of meaningful open source contributions
• Experience mentoring and growing other frontend engineers

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🌟 Nice to Have

• Experience building code editors, IDEs, or developer-facing interfaces
• Deep knowledge of browser internals, rendering optimization, and Web APIs
• Track record of published technical content such as blogs, talks, or papers
• Experience with accessibility standards and inclusive design practices
• Familiarity with WebAssembly, Service Workers, or progressive web applications
• Experience integrating LLMs into frontend applications