- Salary: £104,000 p.a. + bonus + paid annual leave & bank holidays
- Location: London - hybrid, 3 days onsite per week
We're hiring an experienced Data Engineer to join the data engineering team of a leading global technology company, supporting high-visibility products used at significant scale.
This is a hands-on engineering role focused on building, maintaining and improving production data pipelines and large-scale datasets. You'll join an established engineering team and work on clearly defined deliverables alongside experienced Data Engineers.
What you'll be doing
- Build, test and maintain production batch ETL/data pipelines
- Write and optimise SQL across large-scale datasets
- Use Python for data transformation and pipeline orchestration
- Maintain and improve existing pipelines, including backfills and schema changes
- Troubleshoot data-quality and pipeline issues
- Implement data-quality checks, testing and documentation
- Work with distributed data technologies such as Presto, Spark or Hive
- Use workflow orchestration tools such as Airflow
- Participate in code reviews and Git-based development workflows
- Collaborate with Data Engineers, Analysts and Engineering teams
The core work is production data engineering: ETL pipelines, large-scale SQL, pipeline changes, data-quality troubleshooting and code review.
What we're looking for
- 5+ years' experience building production data pipelines
- Advanced SQL, including performance optimisation on large tables
- Experience with Presto, Spark, Hive or similar
- Experience with Airflow or another workflow scheduler
- Git and code-review experience
- Strong understanding of data quality and accuracy
Experience with analytical data modelling, BI/dashboard or pipeline observability would be beneficial.
This is an opportunity to work on high-visibility, business-critical products with significant real-world impact, alongside a highly experienced engineering team.
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Data Engineer in City of London employer: Principle
Join a leading global technology company that champions innovation and creativity in the heart of London. With a hybrid work model, competitive salary, and a vibrant work culture, you'll have the opportunity to collaborate with diverse teams across EMEA while developing your skills in a supportive environment. The company prioritises employee growth, offering unique opportunities to influence high-impact social media strategies and campaigns, making it an ideal place for passionate professionals looking to make a meaningful impact.
