Senior Front-End Engineer - CRO & eCommerce

NEXT plc; Leicester; Hybrid; GBP 60,000 - 90,000; Full time

Job summary

NEXT plc in Leicestershire is seeking a Senior Front-End Developer for the eCommerce Tech team. You will contribute to the Bloomreach-based platform serving millions of customers, delivering high-impact, data-driven features.

You will lead CRO-driven UI enhancements, mentor junior engineers, and collaborate with product and commercial teams to balance performance, accessibility, and business goals. Hybrid work with a focus on innovative digital experiences.

Qualifications

• Strong front-end expertise with modern JavaScript and HTML5/CSS.
• Experience with CRO and A/B testing.
• Mentor juniors and communicate with stakeholders.
• WCAG accessibility and performance optimization.
• Experience with large-scale eCommerce platforms.

Responsibilities

• Lead client-side experimental features on Bloomreach DXP.
• Intercept and inject features using HTML/CSS/JS with performance focus.
• Drive code quality, reviews, and accessibility.
• Collaborate with cross-functional teams and stakeholders.
• Support peak trading events and ensure feature velocity.

Tools

Bloomreach DXP

Azure DevOps

Google Analytics 4

Job description

NEXT plc in Leicestershire is seeking a Senior Front-End Developer for the eCommerce Tech team. You will contribute to the Bloomreach-based platform serving millions of customers, delivering high-impact, data-driven features.

You will lead CRO-driven UI enhancements, mentor junior engineers, and collaborate with product and commercial teams to balance performance, accessibility, and business goals. Hybrid work with a focus on innovative digital experiences.