Senior Web Developer

dunnhumby is the global leader in Customer Data Science, empowering businesses everywhere to compete and thrive in the modern data-driven economy. We always put the Customer First. Our mission: to enable businesses to grow and reimagine themselves by becoming advocates and champions for their Customers. With deep heritage and expertise in retail – one of the world's most competitive markets, with a deluge of multi-dimensional data – dunnhumby today enables businesses all over the world, across industries, to be Customer First. dunnhumby employs nearly 2,500 experts in offices throughout Europe, Asia, Africa, and the Americas working for transformative, iconic brands such as Tesco, Coca-Cola, Meijer, Procter & Gamble and Metro. We're looking for a Senior Web Developer to join our Retail Media team at dunnhumby. ou'll play a key role in integrating innovative, scalable, and high-performance web applications that power retail media solutions for some of the world's biggest brands and retailers. As part of a cross-functional team, you'll collaborate with product managers, designers, data scientists, and engineers to deliver seamless digital experiences that help retailers monetise their media assets and drive measurable outcomes for advertisers. What You'll Do As a Senior Web Developer in our Retail Media team, you will: - Support the technology and integration of our adtech functions, ensuring seamless connectivity with key platforms like Google Ad Manager - Regularly test, maintain, and enhance our web frameworks to ensure performance, reliability, and scalability - Troubleshoot and resolve technical issues across the stack, from frontend bugs to backend integration challenges - Collaborate closely with internal product teams and stakeholders to align technical solutions with business goals - Lead the integration of our systems with third-party ad servers and platforms, particularly Google's adtech ecosystem - Contribute to the continuous improvement of our development practices, including code reviews, testing, and deployment automation - Mentor junior developers and share knowledge across the team

dunnhumby is the global leader in Customer Data Science, empowering businesses everywhere to compete and thrive in the modern data-driven economy. We always put the Customer First. Our mission: to enable businesses to grow and reimagine themselves by becoming advocates and champions for their Customers. With deep heritage and expertise in retail – one of the world's most competitive markets, with a deluge of multi-dimensional data – dunnhumby today enables businesses all over the world, across industries, to be Customer First. dunnhumby employs nearly 2,500 experts in offices throughout Europe, Asia, Africa, and the Americas working for transformative, iconic brands such as Tesco, Coca-Cola, Meijer, Procter & Gamble and Metro.