Pragmatike

Senior UI/Frontend Engineer – AI

Pragmatike

full-time

Posted on:

Location Type: Hybrid

Location: Cambridge • Massachusetts • United States

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Job Level

Senior

Tech Stack

ReactTypeScript

About the role

  • 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

  • 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
  • Competitive salary & equity options
  • Sign-on bonus
  • Health, Dental, and Vision
  • 401(k)
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
ReactTypeScriptUI componentsstate managementtestingcode qualityresponsive designaccessible designhigh-performance user interfacesfrontend architecture
Soft Skills
collaborationownershipcommunication