Senior Full Stack Engineer

dunnhumby is the global leader in Customer Data Science, partnering with the world’s most ambitious retailers and brands to put the customer at the heart of every decision. We combine deep insight, advanced technology, and close collaboration to help our clients grow, innovate, and deliver measurable value for their customers.

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, Nestlé, Unilever and Metro.

We are looking for Senior Full Stack Engineer who will design, build, and maintain end-to-end applications to enhance data science workflows and operational efficiency, while collaborating closely with cross-functional teams and deploying solutions on cloud platforms.

They will take ownership of features end-to-end—from design and development to production support—while contributing to CI/CD, platform tooling, and continuously improving system reliability and scalability

What we expect from you

• Bachelor’s degree (or similar) in Computer Science, Engineering, Mathematics, or a related field, with 6+ years of experience building production-grade applications

• Strong full-stack development experience with a solid understanding of frontend and backend integration

• Frontend: React, Typescript, Redux (or similar)

• Backend: Node.js, APIs, and SQL/NoSQL databases

• Experience designing and building scalable, maintainable systems with strong engineering and architectural practices

• Good knowledge of SQL and data handling, including joins, transformations, and performance optimization

• Comfortable working with cloud environments (GCP, Azure, or similar) and understanding application deployment in production

• Working knowledge of containerization (Docker), CI/CD pipelines, and deployment workflows

• Ability to collaborate with platform and infrastructure teams to ensure reliable, scalable production systems

What you can expect from us

We won’t just meet your expectations. We’ll defy them. So you’ll enjoy the comprehensive rewards package you’d expect from a leading technology company. But also, a degree of personal flexibility you might not expect. Plus, thoughtful perks, like flexible working hours and your birthday off.

You’ll also benefit from an investment in cutting-edge technology that reflects our global ambition. But with a nimble, small-business feel that gives you the freedom to play, experiment and learn.

And we don’t just talk about diversity and inclusion. We live it every day – with thriving networks including dh Gender Equality Network, dh Proud, dh Family, dh One, dh Enabled and dh Thrive as the living proof. We want everyone to have the opportunity to shine and perform at your best throughout our recruitment process. Please let us know how we can make this process work best for you.

Our approach to Flexible Working

At dunnhumby, we value and respect difference and are committed to building an inclusive culture by creating an environment where you can balance a successful career with your commitments and interests outside of work.

We believe that you will do your best at work if you have a work / life balance. Some roles lend themselves to flexible options more than others, so if this is important to you please raise this with your recruiter, as we are open to discussing agile working opportunities during the hiring process.

For further information about how we collect and use your personal information please see our Privacy Notice which can be found (here)