React Frontend Developer

Roc Search Inc.; Greater London; Hybrid; GBP 65,000 - 75,000; Full time

Job summary

Roc Search Inc. in London is hiring an experienced Frontend Software Engineer to develop web applications using React and TypeScript. You will build dashboards, data visualisations and user workflows that translate complex information into clear, actionable UI.

You'll own significant parts of the development lifecycle, collaborating closely with product, design and backend engineers to ship high-quality, accessible software in a fast-paced startup environment.

Qualifications

• Strong commercial experience with React and TypeScript.
• Excellent JavaScript, HTML and CSS skills.
• Experience with APIs, asynchronous data and application state.
• Strong understanding of frontend architecture and reusable components.
• Experience building responsive, accessible and performant applications.
• Good testing practices and experience with modern frontend tooling.
• Strong Git/GitHub experience.
• Ability to take ownership and work effectively in a fast-moving environment.

Responsibilities

• Build dashboards, data visualisations and user workflows using React and TypeScript.
• Own significant parts of the development lifecycle.
• Collaborate with product, design and backend engineers to deliver high-quality software.

Skills

React

TypeScript

JavaScript

HTML/CSS

APIs

State management

Frontend architecture

Accessibility testing

Git/GitHub

Ownership mindset

Job description

Frontend Software Engineer - React & TypeScript

London (1-2 days p/w in office)

Edge AI Startup

Salary - £65,000-£75,000(Depending on experience)

We're working with a growing technology company developing software that combines AI, data and connected systems to solve complex real-world problems.

We're looking for an experienced Frontend Software Engineer to join the team and help build intuitive, high-quality web applications.

The role

You'll work primarily with React and TypeScript, building dashboards, data visualisations and user workflows that make complex information easy to understand and act on.

You'll have significant ownership across the development lifecycle, working closely with product, design and backend engineers.

What you'll bring

• Strong commercial experience with React and TypeScript


• Excellent JavaScript, HTML and CSS skills


• Experience with APIs, asynchronous data and application state


• Strong understanding of frontend architecture and reusable components


• Experience building responsive, accessible and performant applications


• Good testing practices and experience with modern frontend tooling


• Strong Git/GitHub experience


• Ability to take ownership and work effectively in a fast-moving environment

Nice to have

• Data visualisation or dashboard experience


• Tailwind CSS or component libraries


• Playwright, Cypress, Vitest or Jest


• Cloud platforms and CI/CD


• Python/backend experience


• AI/ML or data-driven products


• Experience in a start-up or scale-up environment


• DFX/ Custom made graphs


• Figma

Why join?

High ownership and influence

Interesting technical challenges

Work on technology with real-world impact

Join a growing team at an exciting stage