Senior Engineer

Grant Thornton Global Delivery Center Poland (GDC) is part of Grant Thornton International Ltd (GTIL) network, providing audit, tax, and advisory services across more than 150 markets worldwide. GDC Poland supports operations of a growing multinational platform with aligned standards, technology, and delivery expectations, enabling collaboration across countries and markets.

• 4-6 years' experience in developing enterprise solutions using Python
• Strong experience in Python, Django, React, Azure Functions, and REST API design
• Strong SQL performance tuning and data modeling skills
• Experience with event-driven and asynchronous architectures
• Strong understanding of audit, compliance, and data lineage needs
• Fluency in Polish and English

Nice to have:

• BE / BTech / MCA or equivalent degree

• Design and implement scalable APIs and ingestion services using Python and Azure Functions
• Architect and optimize data pipelines for large datasets
• Design and govern standardized audit data models, mappings, and transformations
• Implement asynchronous integrations using Azure Service Bus and event-based patterns
• Lead data quality, reconciliation, and exception-handling frameworks
• Perform deep troubleshooting across API, data pipeline, and storage layers
• Mentor junior engineers and provide design/code reviews
• Ensure audit defensibility through logging, traceability, and versioned processing