Principal Data Engineer

Principal Data Engineer Up to £107,500 + Bonus + Benefits London - Hybrid

Are you a hands-on data engineering leader who thrives on building robust platforms and driving technical excellence? I'm partnering with a well-loved consumer tech business that brings joy and storytelling into people's lives-and they're now scaling their data and ML platform to support the next phase of growth.

This is a chance to be at the forefront of a data transformation journey-owning architectural direction, mentoring engineers, and shaping a decentralised data model that will serve marketing, product, finance, and AI functions across the group.

Why Join?
  • Up to £107,500 base salary

  • Hybrid working with a London base (flexibility offered)

  • High-impact role with a growing, values-driven data team

  • Platform-focused, mission-led engineering

  • Work with a modern cloud-native stack (Snowflake, DBT, Airflow, Terraform, AWS)

What You'll Be Doing
  • Serve as the technical lead for cross-functional data initiatives

  • Define and champion best practices for building scalable, governed, high-quality data pipelines

  • Design and implement platform capabilities that support decentralised data adoption

  • Drive forward technical strategy and architectural decisions for the team

  • Mentor data and analytics engineers to raise the technical bar

  • Balance near-term delivery with long-term platform health and innovation

  • Collaborate across teams-product managers, analysts, ML engineers, and more

What You'll Bring
  • Extensive experience designing and building modern data platforms

  • Strong skills in Python, SQL, and tools like DBT, Airflow, Fivetran

  • Expertise in cloud services (ideally AWS) and IaC tools like Terraform

  • Deep understanding of data architecture, ELT pipelines, and governance

  • A background in software engineering principles (CI/CD, version control, testing)

  • Excellent communicator-comfortable leading discussions with both technical and non-technical stakeholders

  • A collaborative mindset and passion for coaching others

Tech Environment
  • Cloud: AWS (Kinesis, Lambda, S3, ECS, etc.)

  • Data Warehouse: Snowflake

  • Transformation & Orchestration: Python, DBT, Airflow

  • IaC & DevOps: Terraform, GitHub Actions, Jenkins

  • Monitoring & Governance: Monte Carlo, Collate

Interested? If you're excited about platform-level ownership, technical influence, and building systems that help people tell their stories-get in touch. You don't need to tick every single box to be considered.

Company
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Hybrid / WFH Options
Employment Type
Full-Time
Salary
£95,000 - £107,500 per annum
Posted
Company
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Hybrid / WFH Options
Employment Type
Full-Time
Salary
£95,000 - £107,500 per annum
Posted