Senior UI/Frontend Engineer, AI

Pragmatike

Senior UI/Frontend Engineer developing high-performance user interfaces at an AI startup. Building scalable, production-grade web applications for Fortune 500 clients.

Posted 7/6/2026full-timeCambridge • Massachusetts • 🇺🇸 United StatesSeniorWebsite

Tech Stack

Tools & technologies

ReactTypeScript

About the role

Key responsibilities & impact

Build and maintain modern, production-grade web interfaces using React and TypeScript.
Translate product requirements and design systems into clean, scalable UI components.
Own complex frontend features end to end, from implementation to production support.
Optimize UI performance for large datasets, real-time updates, and high-usage dashboards.
Collaborate closely with product, design, and backend teams to ship user-facing features.
Establish frontend best practices around state management, testing, and code quality.
Improve frontend architecture, tooling, and developer experience.
Debug and resolve production UI issues across browsers and devices.

Requirements

What you’ll need

5+ years of experience as a Frontend / UI Engineer.
Strong proficiency with React and TypeScript in production environments.
Solid understanding of modern frontend architecture and component-based design.
Experience building responsive, accessible, and high-performance user interfaces.
Familiarity with frontend build tools, bundlers, and CI/CD workflows.
Ability to collaborate effectively with designers and backend engineers.
Comfortable owning features and shipping to production.

Benefits

Comp & perks

Competitive salary & equity options
Sign-on bonus
Health, Dental, and Vision
401(k)

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

ReactTypeScriptUI Component DesignPerformance OptimizationState ManagementTestingCode QualityDebuggingResponsive DesignAccessibility

Soft Skills

CollaborationOwnershipProblem-Solving