Principal Frontend Engineer

At ClickUp , we're building the future of work: the first truly converged AI workspace unifying tasks, docs, chat, calendar, and enterprise search, all supercharged by context-driven AI. We are an AI-native company. Every team member is expected to leverage AI daily, and we evaluate AI fluency as part of our hiring process. Join us and help redefine what's possible. Role Overview We’re seeking a Principal Frontend Engineer to drive the long-term technical vision for frontend engineering at ClickUp. In this role, you will lead architectural strategy across major product surfaces, solve company-wide frontend challenges, and influence how teams build and ship at scale. You will partner deeply with engineering, product, design, backend, and integrations leadership to ensure ClickUp’s frontend systems remain fast, reliable, and adaptable as the business grows. This is a hands-on technical leadership role for someone who can operate at both strategic and implementation levels, especially in a high-growth, fast-paced environment. What You’ll Do • Define and drive frontend architecture strategy across product areas and platform investments • Lead the design of scalable, performant systems in Angular and React that support rapid product development • Solve complex cross-team technical challenges related to performance, state management, scalability, and developer productivity • Partner with backend and integrations teams to shape end-to-end architecture for major features and systems • Raise the bar for quality, testing, maintainability, and engineering rigor across the frontend organization • Provide technical leadership on the highest-impact initiatives and unblock teams working through ambiguous or difficult problems • Guide teams toward pragmatic decisions that support both speed and long-term product quality • Mentor senior and staff engineers, and help shape frontend engineering culture and standards • Influence roadmap and organizational decisions through strong technical judgment and product partnership Qualifications • 10+ years of frontend engineering experience, including deep expertise in large-scale web applications • Expert-level experience with Angular, React, TypeScript, RxJS, and NgRx or similar state management systems • Proven track record of architecting complex frontend systems used by large numbers of users • Deep expertise in performance optimization, frontend scalability, maintainable application design, and reusable component architecture • Experience driving technical strategy across multiple teams or product areas • Strong judgment in balancing speed, quality, and long-term architecture in fast-moving environments • Outstanding communication and collaboration skills, with the ability to influence across functions and levels • Strong mentoring background and passion for building high-performing engineering organizations • Experience with testing infrastructure and ability to define testing strategies for large scale features changes. Equal Opportunity Employer ClickUp is an Equal Opportunity Employer, and qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, or national origin. Privacy Notice ClickUp collects and processes personal data in accordance with applicable data protection laws. You can find further details by viewing our Global Candidate Privacy Notice. If you are a Philippine Job Applicant, please also see our Philippine Data Privacy Notice for further details. Visa Sponsorship Please note we are unable to sponsor or take over sponsorship of an employment visa for roles outside of engineering and product at this time. Sponsorship for engineering and product roles is not guaranteed, b