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NewDay

UK consumer credit and store cards

Senior Data Engineer

Data EngineeringConfirmed live in the last 24 hours
Full-timeLondon, UKNo salary listedHybrid

About the Job

Requirements

  • Hands-on experience using dbt to design, build, and improve data transformations within a complex data environment.
  • Engineering experience using Python and SQL, with the ability to solve complex data problems at scale.
  • Ability to design and guide modern data engineering solutions, with knowledge of data modelling, ETL/ELT, data warehousing, and scalable data pipelines.
  • Ability to lead and develop Data Engineers, combining hands-on technical contribution with coaching, technical direction, and ownership of delivery.
  • Interest in AI and automation, with the technical curiosity to explore how emerging technologies could improve engineering quality, productivity, and ways of working.

Responsibilities

  • Lead the development and optimisation of ingestion and transformation pipelines using technologies such as Spark, Scala, Python, AWS, dbt, and Snowflake.
  • Architect and evolve the organisation’s data lake environment to ensure it remains robust, scalable, secure, and future-ready.
  • Own and improve ETL processing, table refreshes, defect resolution, and other business-as-usual activities, while driving automation to reduce manual effort.
  • Champion performance optimisation through concurrency, multithreading, automation, and best-practice engineering patterns.
  • Guide Agile delivery, mentor engineers, and ensure high-quality, cloud-native data solutions are shipped via CI/CD.
  • Integrate data from multiple sources and solve sophisticated data challenges with creativity, technical depth, and strategic thinking.
  • Influence data engineering standards, patterns, and governance across the wider organisation.
  • Strengthen the foundation of the organisation’s data landscape by improving reliability, reducing manual intervention, and accelerating time to insight.

Desired Qualifications

  • Experience using AWS or another major cloud platform; the environment includes EMR, Athena, Lambda, S3, Glue, and Step Functions, and transferable experience solving similar problems is accepted.
  • Experience with Snowflake, Spark, Scala, or Airflow, or transferable experience with comparable technologies and similar data engineering challenges.
  • Experience with Git, GitHub, and CI/CD practices, including tools such as GitHub Actions.
  • Knowledge of real-time data processing, data governance, data quality, or observability.
  • Experience using AI-enabled engineering tools or automation to improve data engineering productivity, quality, or reliability.

About the Company

NewDay

UK consumer credit and store cards

NewDay provides consumer credit in the UK, offering its own-brand cards (Aqua, Marbles, Fluid) and store or co-branded cards with retailers. Its products include near-prime lending and a digital-only card called Bip, financed by interest income and fees and supported by retailer partnerships and securitization. It differentiates itself through widespread retailer partnerships (Argos, John Lewis, others) and a mix of direct and co-branded offerings that expand access beyond traditional lenders. Its goal is to provide responsible credit access for underserved customers and to grow its card portfolio and credit history-building opportunities through digital tools and partnerships.

Company size
1,001-5,000
Company stage
Not listed
Total funding
Not listed
Headquarters
London, United Kingdom
Founded
2000

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