Frontend Engineer — React UI & Performance (On-Site NYC)

Portra; New York (NY); Hybrid; USD 120,000 - 150,000; Full time

Job summary

Portra in New York City is seeking a Frontend Engineer who turns design into polished, high-performance interfaces for our insurance platform. You will own customer-facing apps, collaborating with product, design, and backend teams to ship features end-to-end.

Expect to implement React + TypeScript, Tailwind CSS, and state management with Redux or Zustand, build responsive layouts, and contribute to component systems and frontend guidelines. This role is 100% on-site at our NYC headquarters.

Qualifications

• 3+ years building production frontend applications.
• Hands-on experience with Tailwind CSS or comparable utility-based styling approaches.
• Proven track record turning design specs into accurate UI implementations.
• Deep knowledge of responsive layouts and mobile-first strategies.
• Production experience managing application state (Redux, Zustand, or alternatives).
• Working knowledge of modern build systems.
• Practical experience writing automated frontend tests.
• Applied understanding of frontend performance best practices.
• Comfort working with REST APIs and async data patterns.

Responsibilities

• Architect and ship React-based applications powering our insurance technology platform.
• Translate Figma mocks and product requirements into clean, functional code — including responsive layouts, interactive data tables, charts, and reporting tools for complex insurance workflows.
• Build shared component systems, define frontend architectural standards, and document component APIs and development guidelines for the team.
• Work cross-functional to shape feature scope and technical approach.
• Collaborate with backend engineers on API design and data modeling.
• Review code and share knowledge to elevate team practices.

Skills

React

TypeScript

Tailwind CSS

Redux

Zustand

Jest

Vitest

REST APIs

Responsive design

Tools

Jest

Vitest

Job description

Portra in New York City is seeking a Frontend Engineer who turns design into polished, high-performance interfaces for our insurance platform. You will own customer-facing apps, collaborating with product, design, and backend teams to ship features end-to-end.

Expect to implement React + TypeScript, Tailwind CSS, and state management with Redux or Zustand, build responsive layouts, and contribute to component systems and frontend guidelines. This role is 100% on-site at our NYC headquarters.