Specialist Software Engineer (Piano Suite)

PositionPosition: Full time - permanentLocation: Gatwick / Hybrid William Reed is investing in the Piano Marketing Product Suite, a best-in-class platform spanning Piano Composer, Piano Analytics and Piano Audience.These products support personalisation, activation, experimentation, audience intelligence and performance insight across a growing number of specialist websites within the Food, Cosmetics and Pharma industries.We are seeking a Product Specialist Engineer to assist with the implementation and to lead the ongoing development, innovation and optimisation of Piano experiences across our digital estate.This role offers the opportunity to take technical ownership of a best in class analytical, activation and personalisation suite across a diverse international portfolio of digital brands. You will directly influence how data, experimentation and audience intelligence shape user experience and commercial performance.What you''ll be doing:Being responsible for configuring, building and enhancing Piano Composer experiences, split tests and experiments to improve engagement, conversion and commercial performance.Designing and implementing structured A/B and multivariate testing strategies using Piano Composer, ensuring rigorous test design, accurate measurement and clear insight reporting.Working with client-side web technologies including HTML, CSS and JavaScript, with the ability to confidently debug front-end issues.Writing and maintaining JavaScript to support ..... full job details .....