Principal Frontend Developer - £75k-£80k

Lorien; Manchester; Hybrid; GBP 75,000 - 80,000; Full time

Job summary

A leading tech company is seeking a Principal Front-end Engineer to transform their front-end systems, impacting millions of users across the UK and U.S. The role involves collaborating with technology leads, optimizing web performance, and mentoring junior developers. The ideal candidate will have expertise in low latency techniques, web technologies, and Agile practices, with a competitive salary and benefits package offered, including a hybrid working model.

Benefits

25 days annual leave

Annual bonus (10%)

Pension plan

Enhanced Maternity & Paternity pay

Employee discounts

Qualifications

• Strong understanding of low latency, high-scale web technologies.
• Ability to optimize performance of web technologies.
• Experience in Agile and Scrum methodologies.

Responsibilities

• Scale and optimize web front-end and API interaction.
• Resolve complex software challenges and optimize system performance.
• Mentor Junior Developers and assist with their professional development.

Skills

Low latency performance optimization

WebSockets

Distributed web caching

Software development best practices

Deployment methodologies

Job description

Job Type

Permanent

Location

Job Ref

BBBH162747_1753085242

Date Added

July 21st, 2025

Consultant

Principal Front-end Engineer

• £75 - £80k + 10% bonus and benefits.
• Manchester city centre (2 days in office + flexible working hours)

JOB PURPOSE
Having recently launched a new proprietary back-end enterprise platform, you will play a key role in transforming the front-end elements that serve millions of customers across the UK and U.S. This will involve working closely with the Heads of Technology, Software Architects and team leads, so strong stakeholder management ability is crucial.

Duties:

• Scaling and performance optimisation of web front-end and interaction with API layers
• Resolve high-level, complex software challenges and optimise system performance
• Implement software development processes, including Agile and Scrum methodologies
• Contribute to software design, code, and test procedures
• Participate in the estimation of software development projects
• Contribute to the development and maintenance of technical documentation
• Mentor Junior Developers and assist with their professional development.

REQUIREMENTS:

• Understanding of low latency, high-scale approaches such as WebSockets
• Thorough grasp of distributed web caching tools and techniques, e.g. Redis, etc
• Understanding of fundamental software development best practices, architectures and patterns
• Awareness of modern deployment methodologies
• Expertise in performance optimisation of web technologies
• Willingness to challenge process and existing ways of working or to truly own the domain you're a part of, pushing for innovation through valuable technical or non-technical change

ON OFFER:

• Hybrid remote working (2 days a week in Manchester city centre)
• 25 days annual leave + BH
• Annual bonus (10%), Pension, Death in service, Employee discounts, Tax efficient saving scheme
• Enhanced Maternity & Paternity pay

THE COMPANY:

With millions of customers spanning the UK and the U.S., this product driven tech company developers large scale enterprise systems that handle 1000's of transactions and calculations every second, and handles massive amounts of live incoming data. Their front-end systems span web, mobile and stand-alone terminals.

Interested? Contact Philip Boltt at Lorien Global

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Carbon60, Lorien & SRG - The Impellam Group STEM Portfolio are acting as an Employment Business in relation to this vacancy.