Principal Front End Developer

The MRJ Group; Greater Manchester; Hybrid; GBP 80,000 - 100,000; Full time

Job summary

A leading digital solutions provider in Manchester is seeking a Principal Frontend Engineer to drive the strategy for a major web platform. This hybrid role demands expertise in modern technologies such as React and TypeScript. Ideal candidates should excel in fast-paced environments, capable of solving complex frontend challenges while mentoring engineering teams. Competitive salary available upon request.

Qualifications

• Deep interest in performance, scalability, and clean architecture.
• Experience working on real-time, complex applications with high traffic.
• Natural ability to inspire and mentor.

Responsibilities

• Set the technical bar for frontend development, coding and design decisions.
• Lead the delivery of scalable, maintainable applications.
• Champion code quality, performance, and accessibility.

Skills

Performance tuning

Scalability

Clean architecture

Mentorship

Tools

React

TypeScript

Node.js

Job description

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• Manchester (Hybrid – 2 days/week onsite)
• Permanent

Principal Frontend Engineer – Shape the Future of a High-Scale Digital Platform

Manchester HQ | Hybrid – 2 days onsite

£ available upon request | Modern Tech | Millions of Users

Ready to build the next generation of web experiences at massive scale?

We’re partnering with a major name in the UK’s digital landscape, an organisation trusted by millions and investing heavily in transforming their tech from the ground up. With a thriving engineering hub in Manchester, they’re searching for a Principal Frontend Engineer to help steer their web direction and tackle the most demanding frontend puzzles out there.

Things move fast here, it’s a real-time, high-paced environment where priorities can shift quickly and new challenges pop up on the spot. If you thrive on solving problems in the moment and leading teams through change, you’ll feel right at home.

What makes this special?

• A large-scale rebuild and replatforming is in motion, you’ll be key to reimagining how millions interact with their services.
• You’ll take ownership of frontend strategy, design modern solutions, and shape best practices across multiple teams.
• You’ll influence architecture, push for innovation, and grow the community of engineers around you.

What you’ll do:

• Set the technical bar for frontend development, coding, reviewing, and guiding design decisions.
• Lead the delivery of scalable, maintainable, high-performing applications using a cutting-edge web stack.
• Champion code quality, performance, and accessibility.
• Work shoulder to shoulder with designers, product folks, and backend engineers to bring slick, robust features to life.
• Coach and mentor engineers, levelling up the wider team’s capabilities.
• Play a big role in shaping frontend strategy and technical standards as the platform evolves.

The tech you’ll love:

• Modern React, TypeScript, Node.js, performance tuning, real-time data handling, scalable web architecture, and more.

You’ll fit if you bring:

• A deep interest in performance, scalability, and clean architecture.
• Experience working on real-time, complex applications with high traffic.
• A natural ability to inspire, mentor, and raise the bar.
• Curiosity for exploring new tech, patterns, and tools.
• Confidence collaborating across functions and challenging ideas to make things better.

Your impact:

This is a rare chance to leave your fingerprint on a platform millions rely on daily. If you love solving big frontend challenges, thrive when things move quickly, and want your ideas to shape a leading UK tech product, we want to hear from you.

We know making a move can be a big step. Our team’s here to share the inside scoop, support you through the process, and help you put your best foot forward.

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