Senior Frontend Developer

Lorien; Leeds; On-site; GBP 50,000 - 70,000; Full time

Job summary

A leading technology staffing agency is looking for a Senior Frontend Engineer to join their Product Development team in Leeds. In this role, you'll develop high-performance applications using React and TypeScript, mentor junior engineers, and enhance code quality. Ideal candidates will have a strong background in modern JavaScript and experience with AWS and Docker. This position offers opportunities for strategic influence and continuous improvement in a collaborative environment.

Qualifications

• Expert-level knowledge of React, TypeScript, and modern JavaScript.
• Experience with leading frontend architectures and best practices.
• Ability to mentor junior developers.

Responsibilities

• Develop and maintain React/TypeScript applications.
• Architect scalable and maintainable frontend systems.
• Drive improvements in code quality and performance.

Skills

React

TypeScript

Modern JavaScript

Performance optimization

Accessibility

State management (Redux, Zustand, Context API)

Mentoring

Tools

AWS

Docker

Node.js

Python

Job description

About the Role

Our client is seeking a Senior Frontend Engineer to join their Product Development team. In this hands‑on role, you'll build high‑performance, customer‑facing applications for kiosk systems. You'll help shape frontend architecture, mentor junior engineers, and drive best practices across the team, focusing on technical excellence, collaboration, and continuous improvement.

Key Responsibilities

• Develop and maintain React/TypeScript applications using modern frameworks
• Architect scalable, maintainable frontend systems with performance and accessibility in mind
• Drive improvements in code quality, testing, and tooling
• Champion responsive design and performance optimization
• Collaborate with DevOps on CI/CD enhancements
• Mentor junior developers and foster a culture of learning
• Contribute to component‑driven architecture and design system evolution
• Participate in production support and incident response

What You'll Bring

• Expert‑level knowledge of React, TypeScript, and modern JS
• Experience with state management (Redux, Zustand, Context API)
• Deep understanding of performance optimization and accessibility
• Experience with AWS, Docker, and advanced testing strategies
• Proven ability to mentor and influence technical decisions
• Agile delivery and continuous improvement mindset

Bonus Points

• Experience with Node.js or Python
• Familiarity with Kubernetes or advanced AWS services
• Exposure to kiosk or POS hardware interfaces
• Accessibility (WCAG) compliance expertise

Personal Qualities

• Strategic thinker with a bias for action
• Passionate about teaching and learning
• Collaborative and solution‑focused
• Ownership mindset and commitment to delivering customer value

Should this position be of interest please submit your CV and I will be in contact as required.

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