Senior Frontend Engineer

About the Company

Handshake was founded on a simple belief that everyone deserves a path to a great career, regardless of where they went to school or who they know. Handshake AI is a fast-growing AI data business working directly with frontier AI lab researchers to create evaluations and push the boundary of data.

Responsibilities

• Architect the frontend foundation including component systems, design tokens, and engineering conventions
• Make foundational technology decisions regarding frameworks, state management, and rendering strategies
• Build shared libraries and abstractions to enable engineering velocity
• Establish code standards, review practices, and documentation
• Collaborate with Applied AI and Platform engineers to define API contracts
• Ship production-grade UI for enterprise customer deployments

Requirements

• 5–6+ years of frontend engineering experience with a strong architectural track record
• Deep expertise in ReactJS and TypeScript
• Proven experience building and maintaining shared component libraries or design systems
• Strong understanding of state management, rendering patterns, performance, and accessibility
• Experience making technology decisions for long-term maintainability
• Ability to work in ambiguous, fast-moving environments
• Strong communication skills to align engineering, product, and design

Preferred Qualifications

• Experience building frontend architecture for AI-powered or data-intensive applications
• Background at a company known for high craft and design systems
• History of writing technical documentation
• Experience with performance optimization and accessibility standards
• Familiarity with enterprise deployment environments or security constraints