Senior UI​/Frontend Engineer

1 day ago Be among the first 25 applicants

Location: Cambridge, MA (Eastern Time / UTC
-4)

Relocation package: Available

Start date: ASAP

Languages: English (required)

Pragmatike is hiring on behalf of a fast-growing AI startup recognized as a Top 10 GenAI company by GTM Capital
, founded by MIT CSAIL researchers
.

We are searching for a Senior UI / Frontend Engineer with strong, hands-on experience building high-quality, high-performance user interfaces for complex, data-intensive AI products used by Fortune 500 customers
.

This role is ideal for an engineer who cares deeply about UX, performance, and maintainable frontend architecture
—someone who can own features end to end, collaborate closely with design and backend teams, and deliver polished, production-ready interfaces at scale.

• Build and maintain modern, production-grade web interfaces using React and Type Script.
• 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.

• 5+ years of experience as a Frontend / UI Engineer.
• Strong proficiency with React and Type Script 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.

• Experience