AWS Data Engineer - PySpark/AI

AWS Data Engineer - PySpark/AILocation: Holborn, London - hybrid, three office days per weekSalary: Up to 75,000 dependent on experienceRef: J13171Our client is a growing technology business developing data and AI products that help organisations gain deeper insight into consumer behaviour.

They are expanding their engineering team and looking for a Data Engineer who wants to take ownership, contribute ideas and have a visible impact on how the platform develops. You'll join a small, collaborative team working with large volumes of complex event data.

From improving the underlying architecture to developing dependable data products, you'll help keep the journey from raw data to customer insight fast, scalable and trustworthy. You'll have the opportunity to:

• Build and improve ETL and ELT pipelines supporting analytics and customer-facing products
• Expand and optimise the existing AWS data lake and architecture
• Work closely with product and engineering teams to shape how data is structured and used
• Improve data quality, accessibility and reliability across the platform
• Automate manual processes and strengthen CI/CD across data workflows
• Explore new technologies and influence future engineering decisions
• Use Claude Code to support development, debugging, testing and documentationExperience required:
• Strong SQL skills for transforming, cleaning and loading data
• Commercial Python, PySpark and Pandas experience
• Experience with orchestration tools such as Airflow, Dagster or Celery
• Practical experience with Spark and EMR
• Hands-on knowledge of AWS services, including Lambda, RDS and S3
• Experience using Claude Code as part of your day-to-day engineering workflow
• An understanding of CI/CD and DataOps practices

Strong communication skills and the ability to collaborate with colleagues internationallyExperience with LLMs, fine-tuning, RAG or statistics would be useful but is not essential. This is an opportunity to join an ambitious business at an exciting stage of its growth, take genuine ownership and help develop data products that customers can trust and rely on.

Interested? Get in touch to find out more! Alternatively, you can refer a friend or colleague through our referral scheme. For each relevant candidate you introduce whom we successfully place, you will be entitled to our gift or voucher scheme.

Datatech is one of the UK's leading recruitment agencies specialising in data and analytics and is the host of the critically acclaimed Women in Data event. For more information, visit www.datatech.org.uk .

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