Frontend Engineer

November 8, 2026

Hybrid

Senior

London, United Kingdom

Indeed

Description

MPS is hiring a Frontend Engineer to take ownership of the frontend domain and lead the design, development, and evolution of scalable web applications. The role involves architecting modern React applications, optimizing performance and build pipelines, and replacing a legacy MarionetteJS system with a modular React architecture. The engineer collaborates with backend, UX, and product teams to deliver production-ready, maintainable solutions.

Responsibilities

Design, configure, and scale a modular, maintainable React application to replace the legacy MarionetteJS system
Design implementation with HTML, CSS, and Tailwind
Maintain and configure modern frontend tooling to maximize code-splitting, reusability, tree-shaking, and performance
Consume complex API payloads with robust local caching and asynchronous state logic
Create and maintain clean and responsive client-side experiences based on specs from the UX expert
Own the Frontend solution architecture
Create required technical specification and designs in line with current architecture for new features and projects
Ensure software complies with architecture, design, programming standards and conventions with technical leadership at the code level
Ensure that project assignments are completed within realistic time frames and resolve day-to-day development queries

Requirements

Solid 5+ years of React Development
Expertise in React framework, component lifecycles, advanced state management patterns, and browser DOM rendering processes
Solid understanding of Git, semantic layouts, and Figma
Understanding of SOLID Principles and Design Patterns
Educated to degree level or equivalent experience
Excellent TDD and BDD skills
Excellent understanding of Clean Code and SOLID
Excellent written and verbal communication skills with the ability to present complex information clearly
Skill in writing technical documentation
Familiar with application security and scalability
Familiar with prototyping and MVP development approaches
Familiar with software project life cycles, including Waterfall and Agile
Self-managing, prioritising, and multi-tasking

Conditions

25 days' Annual Leave
Access to EOT tax-free bonus
Enhanced Parental Leave and Enhanced Sick Leave
Access to hybrid and remote working arrangements
Retention recognition perks including increased employer pension and private medical care
Birthday or work anniversary day off
Rental Housing Deposit Support and cinema perks including premieres and special screenings
Volunteering Day off