AWS Data Engineer - MigrationWe're seeking a strong & hands-on AWS Data Engineering contractor, ASAP start, for an urgent replacement contract Rate: Up to £(Apply online only) per day, Outside IR35 Working Patterns: Remote-first, London (up to 1 day p/w on-site). Contract: 3-6 months (likley extension) Sector: Financial Services About: We're supporting a major cloud transformation programme focused on migrating a large-scale legacy ETL estate consiting of several thousand batch jobs from Ab Initio to a modern, serverless AWS data platform. This is a hands-on Senior Data Engineer role where you'll play a key part in defining migration patterns and delivering production-ready AWS Glue solutions. Person Requirments: Strong AWS Data Engineer - ideally AWS Certified. Idelaly, you'll bring proven experience delivering Ab Initio
- AWS Glue (PySpark) migration programmes Strong hands-on AWS Data Engineering expertise, particularly AWS Glue, S3, Athena and serverless data platforms.
- Advanced Python, PySpark and SQL skills.
- Strong understanding of converting Ab Initio transformations/reformat logic into scalable PySpark solutions.
- Experience building and optimising large-scale ETL/data pipeline solutions in AWS.
- Excellent Spark performance tuning capabilities, including troubleshooting data skew, partitioning, memory and load-related issues.
- Strong data warehousing and data modelling knowledge
- Strong comminication skills.
- Nice to Have Experience with Claude Code or AI-assisted code conversion tools.
- Amazon MWAA (Airflow) experience.
- AWS Certifications.
- Experience working on large-scale legacy modernisation programmes.
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URGENT | AWS Data Engineer (migration) in City of London employer: The Barbican
Join a dynamic and supportive building services company that prioritises the growth and development of its engineers. With a competitive salary, generous annual leave, and fully funded training opportunities, this role as a Mobile Air Conditioning Engineer in London offers not just a job, but a pathway to a rewarding career. Experience a collaborative work culture where you can build strong client relationships and mentor junior engineers while working on prestigious commercial sites across the vibrant city of London.
