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Dotnet Backend Developer

Tech Aalto
On-site
Singapore, Singapore, Singapore
IT
Job Title: .NET Backend Developer
Location: Singapore
Employment Type: Contract
Experience Required: 4–8 years
About the Role
We are seeking a highly skilled Backend Developer with expertise in .NET technologies and Informatica ETL/data integration tools. The role involves designing, developing, and maintaining backend services, APIs, and data workflows to support enterprise applications. The ideal candidate will have a strong background in C#, .NET Core, Informatica PowerCenter / IICS, and database technologies.
Key Responsibilities
  • Design, develop, and maintain backend applications using .NET Core / .NET Framework (C#).
  • Develop and support ETL workflows and data integration pipelines using Informatica (PowerCenter/IICS).
  • Build and consume RESTful APIs for system integrations.
  • Collaborate with business and data teams to design efficient data transformation and loading processes.
  • Optimize backend performance, scalability, and reliability.
  • Work with SQL Server/Oracle databases for complex queries, stored procedures, and performance tuning.
  • Ensure backend systems adhere to security, compliance, and best practices.
  • Participate in Agile development, including sprint planning, code reviews, and testing.
  • Troubleshoot, debug, and resolve application and data issues in production.
Required Skills & Qualifications
  • Bachelor’s degree in Computer Science, Engineering, or related field.
  • 4– 10 years of backend development experience.
  • Strong hands-on expertise in C#, .NET Core / .NET Framework, Web API, and OOP principles.
  • Proven experience with Informatica ETL tools (PowerCenter, Informatica Cloud/IICS).
  • Solid experience with SQL Server, Oracle, or similar RDBMS.
  • Strong understanding of data integration, transformation, and migration concepts.
  • Familiarity with unit testing frameworks (NUnit, MSTest, xUnit).
  • Experience with Git, CI/CD pipelines, and Agile methodologies.
Nice-to-Have Skills
  • Experience in cloud platforms (Azure/AWS/GCP) with Informatica Cloud integration.
  • Familiarity with data warehousing concepts and BI tools.
  • Exposure to microservices architecture and messaging frameworks (Kafka, RabbitMQ).
  • Knowledge of data governance, data quality, and MDM principles.
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