Senior Data Engineer - (Python & SQL)

Datatech
City of London
1 day ago
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Senior Data Engineer (Python & SQL)

Location: London with hybrid working Monday to Wednesday in the office.


Salary: 70,000 to 85,000 depending on experience.


Reference: J13026.


An AI first SaaS business that transforms high quality first party data into trusted, decision ready insight at scale is looking for a Senior Data Engineer to join its growing data and engineering team.


Why join

  • A supportive and inclusive environment where different perspectives are welcomed and people are encouraged to contribute and be heard.
  • Clear progression with space to deepen your technical expertise and grow your confidence at a sustainable pace.
  • A team that values collaboration, good communication, and shared ownership over hero culture.
  • The opportunity to work on meaningful data engineering problems where quality genuinely matters.

What you will be doing

  • Designing and building cloud based data and machine learning pipelines that prepare data for analytics, AI, and product use.
  • Writing clear, well-structured Python, PySpark, and SQL to transform and validate data from multiple upstream sources.
  • Taking ownership of data quality, consistency, and reliability across the pipeline lifecycle.
  • Shaping scalable data models that support a wide range of downstream use cases.
  • Working closely with Product, Engineering, and Data Science teams to understand data needs and constraints.
  • Mentoring and supporting other data engineers, sharing knowledge and encouraging good engineering practices.
  • Contributing to the long term health of the data platform through thoughtful design and continuous improvement.

What we are looking for

  • Strong experience using Python and SQL to transform large, real world datasets in production environments.
  • A deep understanding of data structures, data quality challenges, and how to design reliable transformation logic.
  • Experience working with modern data platforms such as Azure, GCP, AWS, Databricks, Snowflake, or similar.
  • Confidence working with imperfect data and making it fit for consumption downstream.
  • Experience supporting or mentoring other engineers through code reviews, pairing, or informal guidance.
  • Clear, thoughtful communication and a collaborative mindset.

Right to work in the UK is required. Sponsorship is not available now or in the future.


Apply to find out more about the role.


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