Staff Frontend Engineer

Mango Technologies, Inc.

Job Overview

Location

United States of America

Job Type

Full-time

Full Job Description

📋 Description

• As a Staff Frontend Engineer at ClickUp, you will lead the design and development of major frontend systems and product initiatives, playing a pivotal role in shaping the future of work through ClickUp’s AI-powered converged workspace that unifies tasks, docs, chat, calendar, and enterprise search.
• You will drive technical excellence and engineering velocity across teams by solving complex frontend challenges, improving architecture, and influencing both technical decisions and execution in a fast-paced, innovative environment.
• Day to day, you will lead the development of complex product features using Angular 2+ and React, partnering with backend, integrations, product, design, and QA teams to deliver high-quality user experiences at speed.
• You will architect scalable, reusable frontend patterns and component systems that enhance product quality, maintainability, and developer velocity across the organization.
• You will identify and resolve performance bottlenecks, UI architecture issues, and scalability risks in large-scale web applications, ensuring optimal user experience under high demand.
• You will drive engineering best practices in testing, observability, code quality, and maintainability, promoting consistency and reliability across frontend teams.
• You will help teams make strong technical decisions under tight timelines and evolving priorities, balancing immediate product needs with long-term technical health.
• You will own end-to-end delivery of large initiatives, mentoring engineers and elevating frontend craftsmanship across domains to improve collaboration and consistency.
• You will contribute to improving how frontend engineers work together across teams, fostering knowledge sharing and alignment on standards and tooling.
• You will work within ClickUp’s mission-driven culture, where AI is used to empower teams to break free from work silos, reclaim time, and unlock new levels of productivity.
• You will have the opportunity to learn, use, and pioneer AI in ways that shape not only the product but the future of work itself, growing your impact in a bold, innovative team redefining what’s possible.

🎯 Requirements

• 7+ years of frontend engineering experience with deep expertise in Angular 2+ and React
• Strong command of TypeScript, RxJS, NgRx, and modern frontend architecture patterns
• Experience building reusable component systems and scalable frontend application structures
• Deep knowledge of performance optimization, debugging, and building for large-scale web applications
• Strong product sense and ability to work cross-functionally in a fast-moving company
• Demonstrated success leading major technical initiatives and influencing across teams
• Strong mentorship skills and a track record of leveling up other engineers
• Excellent communication and execution skills, especially in high-urgency environments
• Strong experience with unit, integration, and end-to-end testing using Jest, Vitest, Playwright, or related frameworks

🏖️ Benefits

• Opportunity to work on a truly converged AI workspace that unifies tasks, docs, chat, calendar, and enterprise search, shaping the future of work
• Access to cutting-edge AI tools and technologies to pioneer innovations in productivity and collaboration
• Culture of learning and growth, with support to build your boldest career through impact-driven work
• Collaborative, bold, and innovative team environment focused on redefining what’s possible in work software
• Equal Opportunity Employer commitment to diversity, inclusion, and fair consideration for all qualified applicants
• Clear communication channels and ethical recruitment practices, including fraud alerts and AI transparency notices
• Privacy-conscious hiring process with global and region-specific data protection notices (including Philippine applicants)
• Visa sponsorship consideration for engineering and product roles based on business needs (though not guaranteed)
• Encouragement to apply even if unsure about qualifications, based on ambition, grit, and passion for improving how people work

Skills & Technologies

TypeScript

React

Angular

Jest

Frontend

Senior

Onsite

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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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