Lead CRO Developer - Hybrid | Profit Share

Hackajob Ltd; Holbeck; Hybrid; GBP 61,000 - 94,000; Full time

Benefits offered by this job

Hybrid working

Profit share

Jet2 discounts

Job summary

Hackajob Ltd in the United Kingdom is seeking a Lead CRO Developer to own A/B and multivariate testing across digital platforms. You will code in JavaScript, HTML and CSS to build experiments and personalisation campaigns that boost conversion and engagement, collaborating with UX, Analytics and Marketing to translate ideas into measurable tests.

You will mentor engineers, review code, drive technical governance, and ensure tests are performant with respect for Core Web Vitals.

Qualifications

• Extensive experience developing A/B tests, personalisation campaigns or optimisation solutions.
• Expert knowledge of JavaScript, HTML and CSS with modern web development principles.
• Experience with experimentation platforms such as Optimizely, Adobe Target, VWO, AB Tasty or similar.
• Proven leadership experience, mentoring developers and promoting engineering best practice.
• Strong understanding of website performance, accessibility, cross-browser compatibility and responsive design.
• Experience working with UX, Product and Analytics teams through the experimentation lifecycle.
• Excellent problem-solving skills with a focus on measurable improvements to customer experience and commercial performance.
• Strong communication and stakeholder management, able to explain technical concepts clearly.

Responsibilities

• Lead the technical delivery of A/B and multivariate tests across digital platforms.
• Develop customer experiences using JavaScript, HTML and CSS to create experiments and personalisation campaigns.
• Collaborate with UX, Analytics and Marketing to translate ideas into measurable experiments.
• Champion experimentation methodologies, coding standards and technical governance.
• Minimise impact on page performance, accessibility and Core Web Vitals while maintaining experience.
• Mentor developers, conduct code reviews and evolve development standards.
• Configure and develop within platforms like Optimizely or Adobe Target for client-side and server-side experiments.
• Stay up to date with CRO techniques, browser capabilities and front-end technologies.

Skills

A/B testing

Personalisation

Optimization

Tools

JavaScript

HTML

CSS

Optimizely

Adobe Target

VWO

AB Tasty

Job description

Hackajob Ltd in the United Kingdom is seeking a Lead CRO Developer to own A/B and multivariate testing across digital platforms. You will code in JavaScript, HTML and CSS to build experiments and personalisation campaigns that boost conversion and engagement, collaborating with UX, Analytics and Marketing to translate ideas into measurable tests.

You will mentor engineers, review code, drive technical governance, and ensure tests are performant with respect for Core Web Vitals.