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This position was posted on April 7, 2026 and is likely no longer accepting applications. We've kept it here for historical reference. Check out the similar jobs below!

Principal Frontend Engineer

Mango Technologies, Inc.

Job Overview

Location

United States of America

Job Type

Full-time

Full Job Description

📋 Description

• As a Principal Frontend Engineer at ClickUp, you will drive the technical vision, design patterns, and scalability of frontend systems while partnering with backend and integrations teams to deliver seamless, performant features.
• You will architect and evolve scalable, high-performing front-end systems in Angular 20+ that power the ClickUp platform, define standards and best practices for reusable components, state management, and system performance, and lead initiatives to identify and resolve bottlenecks in performance, scalability, and developer experience.
• You will champion testability and quality by influencing testing strategies, provide technical leadership and mentorship to engineers, and drive continuous improvement in tooling, build pipelines, and developer productivity.
• You will collaborate across teams (backend, integrations, QA, infrastructure) to deliver cohesive, end-to-end solutions, shape technical direction with product and design leaders, and model ClickUp’s values of ownership, speed, and excellence in a high-growth environment.

🎯 Requirements

• 8+ years of experience with JavaScript/TypeScript and modern frameworks such as Angular or React.
• 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.

🏖️ Benefits

• Opportunity to pioneer AI in ways that shape the future of work and product innovation.
• Collaborative, bold, and innovative team culture focused on redefining what’s possible.
• Support for career growth and building your boldest career at ClickUp.
• Equal Opportunity Employer commitment with inclusive hiring practices.
• Remote work flexibility indicated by #LI-Remote tag.
• Visa sponsorship consideration for engineering and product roles based on business needs.

Skills & Technologies

JavaScript

TypeScript

React

Angular

Frontend

Senior

Remote

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Mango Technologies, Inc.

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About Mango Technologies, Inc.

ClickUp is a San Diego-based productivity platform that unifies tasks, documents, goals, chat, and whiteboards in one cloud workspace. Founded in 2017, the company serves individuals, startups, and large enterprises seeking to replace scattered tools with a single, customizable hub. Its feature set includes hierarchical task management, real-time collaboration, time tracking, reporting dashboards, and hundreds of pre-built templates and integrations. ClickUp targets teams in software development, marketing, and operations that need to plan, execute, and monitor work without switching applications.

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