Data Engineer

• *Data Engineer | Remote | £500 - £510/day**

We're working with a leading global workforce solutions powerhouse that specializes in high-impact digital transformation and large-scale technical consultancy on this exciting opportunity.

This is a high-impact role for a Data Engineer who excels at architectural detective work, focusing on documenting and deconstructing complex systems using a diverse stack including Java, Node.js, and Python. You will play a pivotal role in a major decommissioning programme, mapping end-to-end data flows and ensuring data integrity across AWS/Azure cloud environments.

• *The Role
• Lead the technical discovery and deep-dive analysis of existing legacy solutions built on Java, Node JS, and React to support strategic decommissioning.
• Map complex end-to-end data flows and system dependencies across a wide-scale programme, ensuring every integration point is accounted for.
• Utilize Python and PySpark to interrogate data pipelines, confirming how data transforms and moves through RDS and JSON structures.
• Develop comprehensive data models and system documentation that serve as the "source of truth" for risk assessment and final decommissioning decisions.
• Champion data quality and accuracy, leveraging PyTest and Great Expectations to ensure all documented flows are verified and trusted by stakeholders.
• *What You'll Need
• Active SC Clearance is mandatory for this role due to the nature of the programme data.
• Strong technical background with hands-on experience in Java, Node JS, and React, specifically for reverse-engineering and system analysis.
• Expert-level knowledge of Data Modelling, Python, and PySpark for analyzing large-scale cloud data pipelines.
• Proven experience in Cloud environments (AWS or Azure), specifically utilizing tools like AWS Glue, RDS, and ideally Databricks.
• Rigorous approach to testing and Data Quality management using frameworks like PyTest and Great Expectations.
• *What's On Offer
• Competitive day rate of £500 - £510 (Inside IR35 - Umbrella).
• 100% Remote working flexibility within the UK for a healthy work-life balance.
• Long-term stability with a 1-year initial contract duration on a massive transformation programme.
• Opportunity to work on a high-visibility project involving a modern tech stack (Databricks, Spark, AWS).
• *Apply via Haystack today!