Senior Frontend Engineer

Public sector agencies, utilities and large health systems licence our asset management platform under multi-year contracts.

Role overview

We're hiring another Senior Frontend Engineer to build the web interfaces our customers use every day, mostly in React and TypeScript. The company is based in Buffalo, the US. We are a distributed team spread across a few time zones. This is a long-term contractor role, paid monthly in USD. Expect to work a schedule that overlaps with US Eastern business hours until about noon ET.

Essential duties and responsibilities

• Track down cross-browser bugs in Safari, Chrome, Firefox and mobile browsers.
• Maintain and extend the shared component library in Storybook.
• Migrate legacy jQuery or AngularJS pages to the current stack.
• Work with designers to adjust interactions when something doesn't hold up in the browser.
• Profile and reduce bundle size, Core Web Vitals and time to interactive.

You'll need

• Deep working knowledge of React (hooks, context, rendering behaviour)
• Strong JavaScript and TypeScript, including async code and the DOM.
• Comfortable using browser dev tools to debug network, layout and performance issues.
• Solid HTML and CSS, including Flexbox, Grid and responsive layouts.
• Familiarity with accessibility standards and semantic markup.

Pluses

• Experience building or maintaining a design system.
• Figma, including Dev Mode.
• Next.js or Remix with server-side rendering.

Benefits

• Paid time off.
• Flexible hours.
• Long-term engagement.
• Annual rate review.

Duration: 6 months. Start: Immediately.

Demo job created on 11jobs for testing and demonstrations. It is not an actual opening at TWA Technologies.