GeekSoft Consulting - Senior .NET / C# Developer

Developer is needed in Amsterdam, Netherlands.

Client: GeekSoft Consulting

Location: Amsterdam, NH, nl

Contract: Contract

Job Description

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.

Additional Information

Benefits include a Fixed Term Employment Contract, Work-Life Balance, and Flexible Work Mode.

GeekSoft Consulting offers an international, collaborative consulting culture with clear career development paths and a comprehensive Dutch benefits package emphasizing well-being, mobility, and career growth.