Front End Engineer

Selby Jennings; England; On-site; GBP 60,000 - 80,000; Full time

Job summary

A leading crypto technology firm in the UK is seeking a mid-senior level Frontend Engineer. You will develop and maintain real-time trading dashboards, implementing streaming data visualizations that aid trading decisions. The successful candidate will have a strong background in modern frontend frameworks, particularly Svelte, and experience with data-heavy applications. This is a full-time role offering a unique opportunity in fast-paced crypto environments.

Qualifications

• Experience building data-heavy applications or trading dashboards.
• Strong grasp of real-time UI patterns and asynchronous data flows.
• Comfortable working with modern frontend frameworks (Svelte preferred).

Responsibilities

• Develop and maintain real-time front-end interfaces for trading dashboards.
• Implement streaming data visualizations and async notification systems.
• Collaborate cross-functionally with backend engineers and trading teams.
• Influence architecture and product direction in a fast-paced environment.

Skills

Frontend development

Real-time UI patterns

Asynchronous data flows

Svelte

Visualizations

Tools

Python

Node.js

WebSockets

Job description

Overview

Our client, a world-leading crypto scaleup, is hiring an expert frontend engineer to join their elite, high-performing team. This is a rare opportunity to work at the forefront of crypto trading technology, building real-time, data-rich applications that power decision-making in fast-moving markets.

You'll be joining a small, agile engineering team with direct exposure to trading systems and product development. The focus is on building intuitive, high-performance UIs that handle streaming data and asynchronous notifications—critical tools for traders and analysts.

Responsibilities

• Develop and maintain real-time front-end interfaces for trading dashboards
• Implement streaming data visualizations and async notification systems
• Collaborate cross-functionally with backend engineers and trading teams
• Influence architecture and product direction in a fast-paced environment

Tech Stack

• Frontend: Svelte, Hyperscript (Vue/React experience highly transferable)
• Backend (optional): Python, Node.js, WebSockets
• Infrastructure: Cloud-native, CI/CD, observability tools

Qualifications

• Proven experience building data-heavy applications or trading dashboards
• Strong grasp of real-time UI patterns and asynchronous data flows
• Comfortable working with modern frontend frameworks (Svelte preferred)

Seniority level

• Mid-Senior level

Employment type

• Full-time

Job function

• Engineering and Information Technology

Industries

• Investment Management

Referrals increase your chances of interviewing at Selby Jennings by 2x.