Senior Frontend Engineer - Real-Time Data Interfaces

Dex; Greater London; On-site; GBP 90,000 - 125,000; Full time

Job summary

Dex is seeking a Senior Frontend Engineer to own the customer's window into real-time operational intelligence. You will build core frontend components that transform sensor data into clear, navigable interfaces and extend foundations for diverse customer workflows.

You will work with React, TypeScript, Vite and Tailwind on high-autonomy projects, delivering production-ready features with robust performance and accessibility. This role is on-site in London with a close-knit team.

Qualifications

• Significant production experience with React, TypeScript, Vite and Tailwind CSS.
• Experience with gRPC/protobuf at API layer.
• Ability to build performant, dynamic data visualization interfaces.
• Strong UX, accessibility, and visual design sense.
• Experience with real-time data flows and asynchronous patterns.

Responsibilities

• Architect and build core frontend components that transform real-time sensor data into intuitive interfaces.
• Drive end-to-end development of customer-specific workflows across the platform.
• Translate prototypes into production-ready features with scalable abstractions.
• Collaborate with a small, autonomous engineering team from design to deployment.
• Ensure performance and responsiveness for dynamic, live data streams.

Skills

React

TypeScript

Vite

Tailwind CSS

gRPC/protobuf

UI/UX design

WebSockets

Web workers

Testing (Vitest/Jest/Playwright)

Design systems

Tools

Vitest

Jest

Playwright

Job description

Dex is seeking a Senior Frontend Engineer to own the customer's window into real-time operational intelligence. You will build core frontend components that transform sensor data into clear, navigable interfaces and extend foundations for diverse customer workflows.

You will work with React, TypeScript, Vite and Tailwind on high-autonomy projects, delivering production-ready features with robust performance and accessibility. This role is on-site in London with a close-knit team.