Senior .NET / C# Developer

Company : Geeksoft Consulting

Job Type : Full Time

Amsterdam, Netherlands

Job Description - Senior .NET / C# Developer

Help design, build and continuously improve the clients online platform.

Research, suggest and implement new technology solutions following best practices/standards.

Take responsibility for the resiliency and availability of different products.

Be a productive member of the team.

Requirements

8+ years of hands-on C#/.NET development.

5+ years of experience with .NET Core and Azure.

3+ years of experience in Banking, Lending, or Credit domain projects is mandatory.

Strong hands-on experience in REST APIs and Microservices.

Design, develop, and maintain enterprise applications using C#, .NET Core/.NET 8, ASP.NET Core, Web API, Entity Framework, and LINQ.

Build scalable microservices and RESTful APIs supporting loan origination, credit processing, customer onboarding, and payment platforms.

Develop and implement cloud-native solutions on Microsoft Azure.

Collaborate with Architects, Business Analysts, Product Owners, and stakeholders to translate business requirements into technical solutions.

Ensure applications meet banking security, governance, audit, and regulatory standards.

Perform application troubleshooting, debugging, performance tuning, and production support.

Lead code reviews, mentor developers, and promote engineering best practices.

Support CI/CD, Azure DevOps, and DevOps automation practices.

Strong expertise in ASP.NET Core, Web API/REST, Entity Framework/EF Core, and LINQ.

Strong experience with Microservices architecture.

Hands-on experience with SQL Server, stored procedures, database design, and query optimization.

Strong Azure knowledge including App Services, Functions, Service Bus, Azure SQL, Storage/Blob, Key Vault, Application Insights, API Management, and Azure DevOps.

Experience with Git, CI/CD, and Azure DevOps Pipelines.

Docker/Kubernetes experience is an advantage.

Experience with Commercial Banking, Retail Banking, Corporate Banking, lending, credit processing, or financial services platforms.

Exposure to messaging technologies such as Azure Service Bus, RabbitMQ, or Kafka is preferred.

Benefits

Fixed Term Employment Contract

Work-Life Balance

Flexible Work Mode

What GeekSoft Consulting Offers

International, collaborative consulting culture with clear career development paths.

Comprehensive Dutch benefits package emphasizing well-being, mobility, and career growth.

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Senior .NET / C# Developer

Job Description - Senior .NET / C# Developer

Requirements

Benefits

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