.NET Developer

About the Position

€380 per day

At a glance

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Project summary

About this role

Our client within the European Institutions is currently looking for a .NET Developer to write and support backend code in.Net 8.0+ using some of the most common libraries.

Responsibilities

• Write and support backend code in.Net 8.0+ using some of the most common libraries (Newtonsoft.Json, OpenTelemetry, Swagger, Bogus, AutoBogus, Moq);
• Participate in the .NET implementation of a micro-services solution, being able to write backend code in a reliable, fast, scalable, and secure way, satisfying requirements and service level agreements;
• Write and support services that read/transform/write data from multiple sources to multiple destinations (APIs, SQL Server, Elasticsearch, Redis, ActiveMq, Graph databases, csv files);
• Review and approve Pull Request created by teammates;
• Implement validation mechanisms as unit and integration tests;
• Create and manage build and release pipelines and TestPlans in Azure Devops;
• Create and manage Kubernetes helm charts for all supported applications and services;
• Write and support complex SQL Server Stored Procedures;
• Create Kibana dashboards and Elasticsearch queries;
• Write OAUTH mechanisms. ADFS knowledge is a plus;
• Work comfortably within a team. Follow SCRUM methodology procedures and disciplines; Estimate the work to be done upon request;
• Write technical documentation;
• Account for secure coding practices, as well as logging and auditing features;
• Communicate in a clean, concise way, not only to peers but also to upper layers when needed

Requirements

• 4 years of studies + at least 9 years of professional experience OR 3 years of studies + at least 10 years of professional experience
• More than nine (9) years of experience in Software Development
• More than five (5) years of experience in Back-End Development with.Net Framework in the past seven (7) years
• More than three (3) years of experience in designing and developing scalable back-end components (REST APIs, integrations, micro-services)
• More than two (2) years of experience with containers and orchestrators (e.g Kubernetes or Docker Swarm)
• Experience in more than one (1) production-ready projects with OAUTH standard
• More than three (3) years of experience in working in an agile/scrum environment
• More than two (2) years of experience with highly scalable systems
• Good knowledge of application development environments
• Good knowledge of the micro-services design patterns
• Good knowledge of asynchronous programming and messaging patterns
• Good knowledge of .Net Framework 8.0+ (C#)
• Good knowledge of the design and development of scalable back-end components (REST APIs, integrations, micro-services)
• Good knowledge of software development methodologies (e.g. AGILE)
• Good knowledge of Git and the main branch strategies (git flow)
• Good knowledge of relational databases (SQL Server)
• Good knowledge of message brokers (ActiveMq, RabbitMq or Apache Kafka)
• Good knowledge of CI/CD systems such as Microsoft Azure Devops (e.g. Pipelines, Artifacts, TestPlans)
• Good knowledge of OOP paradigms and SOLID principles
• Good knowledge of Agile Team implementing Scrum principles
• Good knowledge of unit testing
• Ability to draft clear and complete documentation for full stack solutions (including design and architecture)
• Knowledge of using Linux shell and basic Linux concepts (e.g., users, groups, rights)

We Offer

• Competitive salary of €380 per day
• Remote work options
• Opportunity to work with leading European Institutions

About the Company

Our client is a prominent entity within the European Institutions, dedicated to providing innovative solutions in the tech sector.

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Location: The Hague, The Netherlands (Remote)

Apply before: 26 Oct 2026

Languages: English

Main skills:.NET, OAuth, Agile, microservices, Microsoft SQL Server, ActiveMQ, Rabbit MQ, Azure DevOps, SOLID

Secondary skills: 1D Recurrent Neural Networks