Senior Full Stack UI Engineer

JR United Kingdom; Northampton; Remote; GBP 100,000 - 120,000; Full time

Job summary

A top-tier firm is seeking a Senior Full Stack UI Engineer to join their dynamic team. The role emphasizes building high-performance, real-time interfaces using React and Next.js while contributing to backend development with Java. Ideal candidates will have Front Office experience and a strong understanding of UI development for complex systems. This fully remote position offers a competitive salary of up to £120,000.

Qualifications

• Extensive React/Next.js development in production environments.
• Solid Java fundamentals.
• Front Office experience is essential.

Responsibilities

• Build UIs from the ground up with React, Next.js, and Ag-Grid.
• Contribute to backend functionality using Java.
• Integrate complex workflows with real-time data feeds.

Skills

React

Next.js

Java

UI development

Real-time communications

Trading concepts

Job description

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Senior Full Stack UI Engineer, Northampton

Client: Oliver Bernard

Location: Northampton, United Kingdom

Job Category: Other

EU work permit required: Yes

Job Views:

2

Posted:

28.06.2025

Expiry Date:

12.08.2025

Job Description:

Senior Full Stack UI Developer – Up to £120,000 - Fully Remote

Salary: Up to £120,000 + Strong Package

Working Arrangements: Fully Remote UK or Office in London for those nearby

I’m working with a top-tier firm building a global trading platform, and we’re looking for a Senior Full Stack UI Developer to join their team.

This role is ideal for someone who’s passionate about building real-time, high-performance interfaces and enjoys working closely with backend teams on end-to-end delivery. You’ll be building UIs from the ground up with React, Next.js, and Ag-Grid. You’ll also contribute to backend functionality using Java, integrating complex workflows with real-time data feeds.

What they’re looking for:

• Extensive React/Next.js development in production environments - Strong Frontend bias
• UI development for complex, data-heavy systems — ideally in trading or finance
• Have solid Java fundamentals
• Front Office experience is essential
• Knowledge of real-time communications
• Familiarity with trading concepts is a big plus

Why this role?

• High-performance environment