Mid-Senior Frontend Developer

Oscar Associates Limited; Newton-le-Willows; On-site; GBP 45,000 - 55,000; Full time

Job summary

A well-established organisation based in Warrington is seeking a Mid-Senior Frontend Developer to create high-quality, user-centered web interfaces. The ideal candidate will have 3-6 years of experience in frontend development, demonstrating strong skills in React.js and UI/UX design. You'll be crafting responsive, scalable applications while collaborating closely with product managers and backend developers. The role offers a competitive salary between £45k and £55k, depending on experience.

Qualifications

• 3-6 years of experience in frontend development, ideally in a product-driven environment.
• Strong proficiency with React.js, JavaScript (ES6+), HTML5, and CSS3 / SASS.

Responsibilities

• Develop responsive, scalable, and maintainable front-end applications using React (and its ecosystem).
• Collaborate closely with product managers and backend developers to translate business and user needs into elegant interfaces.
• Implement UI / UX best practices, ensuring consistency, usability, and accessibility across all products.
• Optimise applications for maximum speed, performance, and scalability.
• Participate in code reviews, mentoring junior developers, and contributing to technical discussions.

Skills

React.js

JavaScript (ES6+)

HTML5

CSS3 / SASS

Job description

Overview

Mid-Senior Frontend Developer - Warrington - Salary 45k-55k (DOE)

We're currently working with a well-established and forward-thinking organisation based in Warrington who have an exciting opportunity for a Frontend Developer skilled with React and UI / UX design to join their growing team.

You'll be responsible for building high-quality, performant, and user-centered web interfaces that bring their products to life. This role bridges the gap between design and engineering - ideal for someone passionate about crafting intuitive,

visually appealing, and accessible digital experiences.

Key Responsibilities

• Develop responsive, scalable, and maintainable front-end applications using React (and its ecosystem).
• Collaborate closely with product managers and backend developers to translate business and user needs into elegant interfaces.
• Implement UI / UX best practices, ensuring consistency, usability, and accessibility across all products.
• Optimise applications for maximum speed, performance, and scalability.
• Participate in code reviews, mentoring junior developers, and contributing to technical discussions.

Essential Experience

• 3-6 years of experience in frontend development, ideally in a product-driven environment.
• Strong proficiency with React.js, JavaScript (ES6+), HTML5, and CSS3 / SASS.