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.NET Developer

ARHS · The Hague

The Hague · RemoteFull-TimePosted Aug 28, 2026

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Job description

  • Design, develop and maintain scalable back-end applications, services and APIs using .NET technologies

  • Develop and support microservices, integrations and data processing solutions across multiple systems and data sources

  • Implement secure, reliable and high-performance software solutions meeting functional and service level requirements

  • Develop and maintain database components, including complex SQL Server queries and stored procedures

  • Implement authentication, authorization, logging, auditing and secure coding practices

  • Create and maintain automated testing solutions, including unit and integration tests

  • Manage CI/CD processes, Azure DevOps pipelines, releases and testing activities

  • Develop and maintain containerized application deployments and Kubernetes Helm charts

  • Review source code, perform peer reviews and contribute to software quality improvements

  • Develop monitoring, reporting and observability solutions, including Elasticsearch and Kibana dashboards

  • Participate in Agile Scrum ceremonies, contribute to effort estimation and collaborate with cross-functional teams

  • Create and maintain technical, design and architecture documentation

  • Communicate effectively with technical teams, stakeholders and management

  • Minimum 9 years of relevant software development experience, including at least 5 years of back-end development with .NET within the last 7 years

  • Minimum 3 years of experience designing and developing scalable back-end solutions, including REST APIs, integrations and microservices, within highly scalable production environments

  • Minimum 2 years of experience with containerized and orchestrated environments, including Kubernetes, Docker Swarm or similar technologies

  • Experience delivering at least 2 production-ready projects using OAuth authentication and authorization standards

  • Minimum 3 years of experience working in Agile Scrum environments

  • Good knowledge of .NET 8.0+, C#, application development environments, software development methodologies, object-oriented programming (OOP) and SOLID principles

  • Good knowledge of designing and developing scalable REST APIs, integrations and microservices, including microservice design patterns, asynchronous programming and messaging patterns

  • Good knowledge of Git version control and branching strategies, including Git Flow

  • Good knowledge of relational databases (SQL Server), message brokers (ActiveMQ, RabbitMQ or Apache Kafka), and CI/CD platforms such as Azure DevOps (Pipelines, Artifacts and Test Plans)

  • Good knowledge of unit testing practices, Linux shell usage and basic Linux administration concepts

  • Ability to produce clear and complete technical documentation, including solution design and architecture documentation

  • Strong analytical, troubleshooting, communication, collaboration and documentation skills

  • Desirable:

  • More than 1 year of experience working in an international and multicultural environment

  • Good knowledge of NoSQL databases, such as Elasticsearch, Redis or Neo4j

  • Ability to communicate clearly and concisely with both technical and management stakeholders

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