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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior .NET / C# Developer - **Company:** GeekSoft Consulting - **Location:** Amsterdam, Netherlands - **Experience:** Expert - **Contract:** Temporary contract - **Skills:** ASP.NET, .NET Framework, Application Performance Management, Microsoft Azure, C Sharp (Programming Language), Cloud Computing, Code Review, Continuous Integration, Database Design, Software Debugging, Language Integrated Query, Payment Systems, Entity Framework, Enterprise Messaging Systems, Microsoft SQL Server, SQL Azure, Performance Tuning, Query Optimization, RabbitMQ, Azure DevOps Pipelines, SQL Stored Procedures, Azure Service Bus, Enterprise Software Applications, .NET Core, Git, Kubernetes, Deployment Automation, Apache Kafka, Restful APIs, Api Management, Docker, Key Vault, Web Api, Microservices - **Published:** September 4, 2026 - **Apply:** https://www.adzuna.nl/details/5869670566 ## About the Role * 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. ## 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. ## Related Videos - [Building Multi-Tenant ASP.NET Core Applications: Best Practices and Real-World Solutions](https://www.wearedevelopers.com/videos/1552-building-multi-tenant-asp-net-core-applications-best-practices-and-real-world-solutions) - [Migrating half a million users to a new payment service provider](https://www.wearedevelopers.com/videos/730-migrating-half-a-million-users-to-a-new-payment-service-provider) - [Docker Compose: Rediscovered](https://www.wearedevelopers.com/videos/1978-docker-compose-rediscovered) - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Developing ASP.NET Core Microservices with Dapr: A practical guide](https://www.wearedevelopers.com/videos/1528-developing-asp-net-core-microservices-with-dapr-a-practical-guide) - [Enterprise-Cloud-Native - Fast-Paced Development & Deployment in a Highly Secure Banking Environment](https://www.wearedevelopers.com/videos/671-enterprise-cloud-native-fast-paced-development-deployment-in-a-highly-secure-banking-environment) ## Related Articles - [Software Developer Salary in The Netherlands [2023]](https://www.wearedevelopers.com/magazine/217-software-developer-salary-in-the-netherlands-2023) - [How to Find Tech Jobs in Amsterdam](https://www.wearedevelopers.com/magazine/279-how-to-find-tech-jobs-in-amsterdam) - [Frontend Developer Salary in Germany [2023]](https://www.wearedevelopers.com/magazine/195-frontend-developer-salary-in-germany-2023) - [Backend Developer Salary in Germany [2023]](https://www.wearedevelopers.com/magazine/196-backend-developer-salary-in-germany-2023) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [How to land a developer job in Amsterdam](https://www.wearedevelopers.com/magazine/36-how-to-land-a-developer-job-in-amsterdam)