Remote Frontend Engineer — Digital Twin UI & API

Geminum Pty Ltd; Brisbane; Remote; AUD 83,000 - 124,000; Full time

Job summary

Geminum is seeking a mid-level Frontend Engineer for a 2‑month engagement to build the web app frontend for a digital twin. You will join the Web App Squad alongside the Design Lead and a Fullstack Engineer, working remotely with AU hours and daily overlap with the AU day.

You’ll own features end to end, from screen to endpoint, collaborating with design and API teammates. Start date is immediate, and the role focuses on production-ready UI, live data handling and robust component design.

Qualifications

• Production experience with React and TypeScript on web apps used daily.
• Experience building frontend and API layers in a small squad.
• Knowledge of live browser updates (WebSockets or SSE) and resilient UI behavior.
• Familiarity with modern React frameworks and component-driven UI.
• Ability to turn rough sketches into working software with design input.
• Strong CSS, layout, accessibility, and responsive design skills.
• Clear communication across disciplines and self-directed work in a small team.

Responsibilities

• Build and maintain the Digital Twin web app: the front end and the API layer that serves it.
• Turn the Design Lead's designs into working screens quickly, then iterate to the final version.
• Shape API endpoints around screen needs with the Fullstack Engineer and platform engineers.
• Build live, data-heavy views with status, telemetry, alarms, tables, charts, and the 3D twin.
• Push live updates to the browser and keep UI consistent with late or out-of-order data.
• Provide loading, error, stale and missing-data states for every view.
• Contribute to shared components and design tokens with the Design Lead.
• Write tests, participate in code review, and meet quality, accessibility and security standards.
• Review and test outputs from coding agents and document decisions for handover at contract end.

Skills

React

TypeScript

WebSockets

CSS

UX collaboration

API integration

Problem solving

Communication

Iteration

Accessibility

Tools

Node.js

REST APIs

Job description

Geminum is seeking a mid-level Frontend Engineer for a 2‑month engagement to build the web app frontend for a digital twin. You will join the Web App Squad alongside the Design Lead and a Fullstack Engineer, working remotely with AU hours and daily overlap with the AU day.

You’ll own features end to end, from screen to endpoint, collaborating with design and API teammates. Start date is immediate, and the role focuses on production-ready UI, live data handling and robust component design.