Front-End Developer

Crimson; Enfield; Hybrid; GBP 55,000 - 65,000; Full time

Job summary

A technology company in the United Kingdom is seeking an experienced Frontend Developer to join their team. The role involves building and maintaining high-quality, responsive user interfaces for web and mobile platforms. Candidates should be proficient in modern JavaScript frameworks and have knowledge of client-side security. The position offers a hybrid work model based in Enfield, with a competitive salary of £55,000 - £65,000 annually.

Qualifications

• Proficiency in modern JavaScript frameworks required.
• Experience with mobile deployment techniques.
• Understanding of client-side security practices.

Responsibilities

• Develop and maintain high-quality user interfaces for web and mobile.
• Create reusable components and design systems for consistency.
• Implement secure authentication flows and adhere to best practices.

Skills

HTML5

JavaScript (ES6+)

CSS

React Native

Mobile Deployment Techniques

Tools

SASS

LESS

APIs

Job description

Frontend Developer - Hybrid

The salary on offer for this role is £55,000 - £65,000 per annum

Hybrid - Enfield, London - 3 days per week

We're seeking a Frontend Developer to join our client's team to build and maintain the development and upkeep of our e-commerce user interface. This role is key to delivering a unified, high-performance customer experience across all channels. Proficiency in modern JavaScript frameworks, client-side security, and mobile deployment techniques is required.

Responsibilities & Skills

• Develop and maintain high-quality, responsive user interfaces for web and mobile using HTML5, JavaScript (ES6+), and advanced CSS.
• Create reusable components and design systems to ensure consistency, accessibility, and scalability across all digital channels.
• Apply modern styling techniques (CSS Grid, Flexbox, SASS / LESS) and optimise performance for Core Web Vitals.
• Build and deploy cross-platform mobile applications (iOS & Android) using frameworks such as React Native or Flutter.
• Implement secure authentication flows, protect against common vulnerabilities (XSS, CSRF), and adhere to OWASP best practices.
• Integrate e-commerce tools and APIs (e.g., Klaviyo, Yotpo) for personalised content and loyalty features.
• Manage complex application state using libraries like Re...