Front-End Developer - Hybrid

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

Job summary

A dynamic technology firm in Enfield is seeking a Frontend Developer to build and maintain an e-commerce user interface. The role requires proficiency in HTML5, modern JavaScript frameworks, and mobile deployment techniques. Key responsibilities include developing responsive interfaces and ensuring a secure application environment. Competitive salary of £55,000 - £65,000 with a hybrid work model (3 days per week).

Qualifications

• Proficiency in modern JavaScript frameworks and client-side security.
• Experience with mobile deployment techniques.
• Knowledge of CSS Grid, Flexbox, and SASS/LESS.

Responsibilities

• Develop and maintain high-quality responsive user interfaces.
• Create reusable components for consistency across digital channels.
• Build and deploy cross-platform mobile applications.

Skills

HTML5

JavaScript (ES6+)

CSS

React Native

Redux

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 their 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 Redux or Context.
• Ensure robust testing through unit, integration, and end-to-end automation.

Interested? Please submit your updated CV to Emma Siwicki at Crimson for immediate consideration. Not interested? Do you know someone who might be a perfect fit for this role? Refer a friend and earn £250 worth of vouchers!