Lead Full Stack Engineer

hackajob is collaborating with Dunnhumby Ltd to connect them with exceptional professionals for this role.

We’re looking for a 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.

• Hands‑on experience with .NET, Python, React/JavaScript, and Terraform (bonus: exposure to Go/Rust)
• Comfortable with cloud‑native environments (Kubernetes, Helm, Git Ops) and working alongside platform teams
• Proven experience shipping production code, ideally in cloud environments
• Solid CI/CD knowledge (pipelines, testing, deployment) with tools like Git Lab CI, Git Hub Actions, or Octopus
• Prioritises code quality, testing, and standards as a given
• Familiar with Kubernetes patterns, ArgoCD, secrets management, and multi‑cloud (GCP/Azure)
• Good understanding of observability (e.g. New Relic) and what “good” looks like in production
• Able to set direction, not just follow - comfortable working cross‑functionally
• Experience managing engineers and supporting team growth
• Works effectively in Agile teams and keeps processes pragmatic
• Strong communicator, able to engage both technical and non‑technical stakeholders
• Encourages knowledge sharing through practical approaches (pairing, documentation, etc.)