Senior Frontend Engineer (React + TypeScript)

This position is a direct-hire role with our client. Open to remote or hybrid candidates near Milwaukee, WI. Remote employees must travel to Milwaukee once per month. U.S. work authorization required; no sponsorship available.

We are seeking a highly skilled Senior Frontend Engineer (React + TypeScript) with deep expertise in building modern, performant, and maintainable single-page applications (SPAs). You’ll work in a TypeScript-heavy environment, collaborating with project managers, business users, and backend engineers to deliver elegant user interfaces that power our platform.

Responsibilities

• Design, build, and maintain React-based SPAs using TypeScript.

• Translate complex UI/UX wireframes into pixel-perfect, responsive, and accessible web experiences.

• Write clean, maintainable, and well-tested code following modern best practices.

• Collaborate closely with cross-functional teams to ensure seamless integration of UI with APIs and backend services.

• Optimize applications for performance, scalability, and accessibility.

• Contribute to design systems, reusable components, and documentation to improve development velocity.

• Stay current with evolving frontend technologies, frameworks, and tooling.

Required Qualifications

• 6+ years of professional experience as a Frontend/UI Engineer (or similar role).

• Expert proficiency in:

  • TypeScript

  • React (including hooks and context APIs)

  • HTML5 & CSS3 (semantic markup, responsive layouts, accessibility best practices)

• Deep experience with at least one modern CSS framework or library (MUI, TailwindCSS, or similar).

• Strong understanding of modern SPA architecture, state management, and performance optimization.

• Familiarity with build tools such as Vite, Webpack, or similar.

• Solid grasp of testing frameworks (Jest, React Testing Library, or equivalent).

• Proven experience implementing secure authentication and authorization flows using frameworks such as Auth0 or similar identity management solutions.

• Ability to travel to the company’s Madison, WI location once per month for on-site collaboration.

Preferred Qualifications

• Experience contributing to design systems or component libraries.

• Knowledge of CICD pipelines, GitHub Actions, or similar DevOps workflows.

• Exposure to backend APIs (REST/GraphQL) and BFF patterns.

• Experience working in a fast-paced product or SaaS environment.

Our Vetting Process

At Emergent Staffing, we work hard to find the software engineers who are the right fit for our clients. Here are the steps of our vetting process for this position:

1. Application (5 minutes)

2. Online Assessment (40-60 minutes)

3. Recruiter Video Interview (30-45 minutes)

4. Client Technical Interview (60 minutes)

5. Final Client Interview (30-45 minutes)

6. Job Offer!

#EmergentStaffing