We have an urgent requirement for a freelance Senior Data Engineer for one of our sector leading customers for an initial 6-month contract with the view to extend.
Rate - €1000 Euros per day based on relevant experience (8 hours a day)
Location - 1 day per week on-site in Brussels (4 days remote)
Contract length - 6 months with the view to potentially extend.
Qualifications and Skills
Bachelor’s or Master’s degree in Computer Science, Engineering, or a related technical discipline
5+ years of professional experience in data engineering, including ETL/ELT development, cloud-based data platforms, or building data products to support analytics, automation, or machine learning use cases
Strong expertise in AWS cloud services, such as S3, Lambda, Glue, and Snowflake, with experience designing scalable, secure, and cost-efficient data architectures
Advanced proficiency in Python, including writing modular, optimized, and production-grade code for data transformation, automation, and orchestration workflows
Expert-level SQL skills, including complex query development, performance tuning, stored procedures, and database design best practices
Proven experience designing, building, and maintaining scalable data pipelines using AWS Glue, Step Functions, and SQL-based transformation frameworks
Solid understanding of data modeling principles, data warehousing concepts, schema design, and data partitioning strategies
Hands-on experience with Tableau or comparable business intelligence and data visualization tools
Experience with DevOps practices and CI/CD pipelines, including infrastructure as code, version control systems (e.g., Git), and automated deployment processes
Strong analytical and problem-solving abilities, with a track record of diagnosing and optimizing complex data workflows for performance, reliability, and scalability
Experience with Databricks, PySpark for distributed data processing, and Delta Lake for data versioning is considered a strong advantage
Excellent communication and collaboration skills, with the ability to work effectively in agile, cross-functional teams and provide guidance or mentorship to junior engineers.