Lead Engineer - Platform

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.

dunnhumby is currently seeking a Lead Engineer for a pivotal Product-led role. This position will play a crucial part in shaping projects for our Retail client base. Candidates will have the unique opportunity to work on a cutting-edge Data and Insight Platform that serves retailers worldwide.

In this role, you will act as the primary technical expert within the team, offering guidance on design, implementation, and industry best practices. You will develop and maintain deep expertise in the team's domain, establishing yourself as a trusted advisor for both team members and stakeholders.

What We’re Looking For

As a Lead Engineer, you’ll be at the heart of groundbreaking solutions that drive our success. You’ll guide teams with your expertise, craft our system architecture, and influence our technological trajectory. This is an outstanding opportunity to work on high-impact projects that challenge and excite you!

You will excel in solving complex problems, collaborating across fields, and mentoring others while continuously learning and staying ahead of industry trends.

Your key responsibilities:

• Serve as the technical authority on our products and third-party integrations across multiple teams
• Lead the analysis of complex requirements, balancing priorities, and making informed trade-offs at the application or system level
• Own and deliver end-to-end projects, ensuring solutions meet performance, scalability, and SLA requirements
• Define, design, and evolve architecture for new and existing systems
• Support reengineering efforts to improve platform resilience, performance, and sustainability
• Act as an authority in your focus areas, mentoring and supporting engineers across the technology space
• Champion the evaluation and adoption of emerging tools, technologies, and practices across teams
• Partner with Engineering Managers and Product leads to plan, align, and de-risk technical roadmaps
• Identify dependencies and proactively unblock teams to deliver efficiently and confidently
• Engage deeply with cross-functional collaborators, ensuring technical decisions align with business goals

You’ll bring most of the following:

• Deep experience with cloud-native architectures, scalable systems, and integration patterns
• Comfort working with high-volume data flows and systems requiring low-latency integrations
• Proven track record to lead the design and delivery of robust, high-performing software platforms
• Depth in at least two technical domains (more detail below) from software engineering to infrastructure, data, event processing, or distributed systems
• Familiarity with major cloud platforms (Azure, GCP, or AWS) and how to craft within their ecosystems
• Confidence with modern engineering practices such as CI/CD, Infrastructure as Code, and Configuration as Code
• Experience delivering architectural change in Agile teams, with a hands-on, iterative attitude
• Ability to identify technology risks, scope impact, and translate sophisticated ideas into clear, actionable strategies
• Excellent communication and teamwork skills — you know how to bring people with you

Technical Areas of Depth

We recognize that phenomenal leaders develop mastery in a few key areas. You should have advanced expertise in at least two of the following. If you’re strong in more, even better!

Advanced proficiency in at least two of:

• Scala
• C# / C++ / .NET
• Javascript / Typescript / React
• Python
• Hadoop / HDFS
• Airflow
• Linux

Not sure you meet 100% of the requirements?

We know that no candidate ever matches every single bullet point, and that's okay. If you’re passionate about this role, excited by the problems we’re solving, and believe you can contribute to our team, we strongly encourage you to apply. Your unique perspective and experience could be exactly what we need.

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.

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