Principal Frontend Engineer

ClickUp is a company focused on creating the first truly converged AI workspace, aiming to empower teams to enhance productivity. As a Principal Frontend Engineer, you will drive the technical vision and design of frontend systems while collaborating with cross-functional teams to deliver high-performing features.

Responsibilities:

• Architect and evolve scalable, high-performing front-end systems in Angular 15+ that power the ClickUp platform
• Define standards, patterns, and best practices for reusable components, state management, and system performance
• Partner with product, design, and engineering leaders to shape technical direction and ensure architecture aligns with business needs
• Lead initiatives to identify and resolve bottlenecks in performance, scalability, and developer experience
• Champion testability and quality by influencing strategies for unit, integration, and end-to-end testing
• Provide technical leadership and mentorship, guiding engineers on best practices, architectural trade-offs, and new front-end technologies
• Drive continuous improvement in tooling, build pipelines, and developer productivity
• Collaborate across teams (backend, integrations, QA, infrastructure) to deliver cohesive, end-to-end solutions

Requirements:

• 8+ years of experience with JavaScript/TypeScript and modern frameworks (Angular 15+ required)
• Deep expertise in state management (NgRx/Redux), RxJS, and scalable front-end application design
• Strong understanding of HTML, CSS, accessibility, cross-browser compatibility, and responsive design
• Proven experience making architectural decisions that balance scalability, performance, and delivery speed
• Track record of mentoring engineers, influencing cross-team technical strategy, and elevating engineering standards
• Excellent communication skills, able to influence stakeholders across engineering, design, and product
• Self-starter with an operational mindset who thrives in fast-paced, high-growth environments