twentyAI

Senior Data Engineer - TWE45927

⭐ - Featured Role | Apply direct with Data Freelance Hub
This role is for a Senior Data Engineer on a 12-month contract (Outside IR35) in London (Hybrid). Requires 5+ years of experience, strong skills in Databricks, Azure, Python, SQL, and ETL/ELT processes, with a focus on greenfield implementations.
🌎 - Country
United Kingdom
💱 - Currency
£ GBP
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💰 - Day rate
Unknown
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🗓️ - Date
July 9, 2026
🕒 - Duration
More than 6 months
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🏝️ - Location
Hybrid
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📄 - Contract
Outside IR35
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🔒 - Security
Unknown
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📍 - Location detailed
London Area, United Kingdom
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🧠 - Skills detailed
#"ETL (Extract #Transform #Load)" #Python #Quality Assurance #Data Quality #API (Application Programming Interface) #Data Warehouse #Documentation #Monitoring #Azure #Databricks #SQL (Structured Query Language) #Cloud #Scala #Data Lifecycle #Data Ingestion #Data Engineering
Role description
Senior Data Engineer Contract: 12-Month Contract (Outside IR35) Location: London (Hybrid) Overview We are supporting a leading private equity firm in the build of a greenfield data warehouse and portfolio monitoring platform. This is a key contract opportunity for an experienced Data Engineer to lead the design, architecture and implementation of a modern cloud-based data platform using Databricks on Azure. The successful consultant will be responsible for establishing the core data infrastructure, building scalable ingestion frameworks, implementing reconciliation controls across multiple data sources, and ensuring robust governance and quality assurance processes are embedded from day one. What you'll do: • Design and build a new Databricks environment on Azure from the ground up. • Define the architecture and technical standards for the data warehouse and portfolio monitoring platform. • Design and implement data ingestion pipelines from: • Aztec (SFTP / file-based integrations) • Canoe (API-based integrations) • Build and maintain scalable ETL/ELT processes using Python and SQL. • Develop an automated reconciliation framework comparing Aztec and Canoe data sources. • Implement data quality controls, validation checks and exception management processes. • Establish formal QA, testing and approval gates across the data lifecycle. • Work closely with business stakeholders, operations teams and third-party vendors to gather requirements and deliver solutions. • Produce technical documentation and support knowledge transfer activities. • Ensure the platform is secure, scalable, auditable and production-ready. What we're looking for: • 5+ years' experience in Data Engineering or Data Platform Engineering roles. • Strong commercial experience with Databricks and Azure. • Advanced Python development skills. • Strong SQL and data modelling experience. • Proven experience building cloud-based data warehouses and data platforms. • Experience designing and implementing ETL/ELT pipelines. • Experience integrating data from APIs and file-based/SFTP sources. • Strong understanding of data quality, governance and testing frameworks. • Experience delivering greenfield data platform implementations. • Ability to work independently and engage effectively with technical and business stakeholders.