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.

At dunnhumby, we’re building a unified intelligence layer, a modern platform designed for AI, real-time data, and scale. This new architecture replaces heritage products that worked in isolation, enabling tailored experiences for different personas and workflows that span across silos. By democratizing our science and integrating richer data feeds, the platform will drive deeper collaboration between retailers and CPGs and deliver long-term value.

Joining this team means working on cutting-edge technology that transforms how data, AI, and product innovation come together to shape the future of retail. We’re looking for an Lead Engineer to join our Application Platform Team, who combines strong technical expertise with people leadership, capable of guiding teams delivering high‑quality, production‑ready solutions. You’ll bring hands‑on experience across modern engineering stacks and be comfortable working closely with platform, product, and data teams to deliver scalable systems.

Alongside this, you’ll play a key role in developing and supporting engineers at different levels, fostering a collaborative, high‑performing environment, and ensuring best practices around code quality, reliability, and delivery are consistently upheld.

What We’Re Looking For

NET, Python, React/JavaScript, and Terraform. Knowledge of Go/Rust and willingness to adopt newer development frameworks. g.

Requirements

and translate them into sound technical designs — decomposing complexity into logical, implementable components that the team can build with confidence. ) Experience with Elasticsearch preferred — designing and operating search solutions in production, including indexing strategies, query optimisation, and relevance tuning. Familiarity with Elastic Cloud is a plus.

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.

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.

Lead Engineer - Full Stack