Location
Sunnyvale
Posted
June 03, 2026
Commute
Local Area
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Job Description
**Role Number:** 200619972-3956
**Summary**
We’re seeking a detail-oriented Senior Frontend Engineer to build world-class web-based annotation tools using React and TypeScript. You’ll design and implement modular, scalable frontend architectures that power multiple annotation workflows (image, text, audio) in a shared platform.
You’ll create responsive, high-quality interfaces that enable global annotators to work efficiently-combining exceptional frontend craftsmanship with thoughtful system design and AI-assisted productivity. This role is ideal for someone who values design quality, architectural clarity, and close collaboration with product and design partners.
**Description**
As a Senior Web Frontend Engineer, you’ll lead the design and development of sophisticated React-based annotation tools that combine polished user experiences with intelligent AI integration.
You’ll collaborate directly with product managers, designers, and end-users to understa...
**Summary**
We’re seeking a detail-oriented Senior Frontend Engineer to build world-class web-based annotation tools using React and TypeScript. You’ll design and implement modular, scalable frontend architectures that power multiple annotation workflows (image, text, audio) in a shared platform.
You’ll create responsive, high-quality interfaces that enable global annotators to work efficiently-combining exceptional frontend craftsmanship with thoughtful system design and AI-assisted productivity. This role is ideal for someone who values design quality, architectural clarity, and close collaboration with product and design partners.
**Description**
As a Senior Web Frontend Engineer, you’ll lead the design and development of sophisticated React-based annotation tools that combine polished user experiences with intelligent AI integration.
You’ll collaborate directly with product managers, designers, and end-users to understa...