Albert Bow
Data Quality Engineer
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🚀 We’re hiring: Data Quality Engineer | London
We’re working with a high-growth technology business operating at the intersection of data, trading and digital assets.
The team works with extremely high volumes of real-time financial data, transforming complex streams of information into reliable, commercially valuable datasets used by clients across global markets.
As the data product continues to grow, they’re looking for a Data Quality Engineer to take ownership of the systems that ensure the data is accurate, complete and behaving as expected.
What you’ll be doing:
- Build and maintain dashboards covering live data feeds, historical datasets, venue health, latency, gaps, completeness and data delivery.
- Define meaningful data quality metrics and monitoring standards.
- Validate and reconcile large datasets across multiple sources.
- Investigate anomalies such as gaps, stale feeds, duplicates, schema changes and unusual data.
- Build automated checks for live and historical data.
- Develop clear, actionable alerting and monitoring.
- Own internal visibility around client-facing data quality.
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What we’re looking for:
- 2+ years’ experience in data quality, data analytics, QA, data operations or data engineering.
- Strong SQL skills and Python experience to analyse datasets, automate checks and investigate issues.
- Experience building dashboards and visualisations for operational or data-quality monitoring.
- Comfortable working with large datasets and comparing information across different sources and systems.
- Comfortable working on the command line and alongside software engineers.
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Nice to have:
- Crypto, trading or market microstructure experience.
- Exchange APIs and real-time/streaming systems such as Kafka, Redpanda or NATS.
- ClickHouse, kdb+, Arrow or Parquet.
- Terraform and CI/CD.
If you're a data-focused engineer who enjoys finding the problems that others miss and wants genuine ownership over a critical data product, I'd love to hear from you.
#Hiring #DataEngineering #DataQuality #Python #SQL #FinTech #Crypto #Trading #LondonJobs
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