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Posted Mar 5, 2026

C# .NET Developer (Backend / Data Platform Migration)

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About the position We are looking for an experienced C# .NET Developer to support the migration of legacy jobs into a modern data platform environment. The role is backend-focused and requires strong analytical skills, particularly in understanding existing job logic and transforming it into scalable, cloud-based solutions. You will play a key role in ensuring accurate data processing and contributing to the further development of a new data platform architecture. The position combines hands-on development with requirements analysis and optimization tasks. Cloud infrastructure experience, especially within AWS environments, is essential. This is a long-term contract opportunity for a technically strong and detail-oriented developer. Responsibilities • Migrate existing jobs from a legacy system to a new platform • Analyze and understand existing job logic and data flows • Implement transformations and redesign processes within the new system • Ensure correct and reliable data processing • Contribute to the development and continuous improvement of the new data platform • Support requirements management, system maintenance, and optimization initiatives Requirements • Strong experience as a C# .NET Developer (backend-focused) • Hands-on experience with AWS infrastructure (EC2, ECS, S3, Lambda) • Strong analytical skills, especially in data-driven environments • Solid understanding of ETL processes • Strong SQL Server and database expertise • Experience working with cloud-based data processing systems • Structured and solution-oriented working style • Fluent English Nice-to-haves • Experience with WinForms • Experience with Azure DevOps pipelines • Trading domain knowledge • Experience integrating AI-based data or tooling solutions • Hands-on experience with VB6