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;

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.

B2 level of English minimum. Any knowledge of French is an asset.

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 9 years of experience in Software Development

More than 5 years of experience in Back-End Development with .NET Framework

More than 5 years of experience in projects that use Microsoft SQL Server with Stored Procedures

More than 5 years of experience in designing and developing scalable back-end components (REST APIs, integrations, micro-services)

More than 2 years of experience with Docker (Kubernetes or Docker Swarm)

Experience in more than one (1) production-ready projects with OAUTH standard.

More than five (5) years of experience in working in an agile/scrum environment

Experience in more than one (1) production-ready projects managing Schengen Information System alerts via SIRENE files.

More than 1 year of experience in working in an international/multi-cultural environment

Sound knowledge of application development environments

Sound knowledge of the micro-services design patterns

Sound knowledge of asynchronous programming and messaging patterns

Sound knowledge of .NET Framework 8.0+ (C#)

Sound knowledge of the design and development of scalable back-end components (REST APIs, integrations, micro-services)

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 OOP paradigms and SOLID principles

Good knowledge of Agile Team implementing Scrum principles

Good knowledge of managing and manipulating NCMEC (National Centre for Missing & Exploited Child) and SIRENE (Supplementary Information Request at the National Entries) files

English

.NET

Microsoft SQL Server

microservices

Docker

OAuth

Agile

NoSQL

Azure DevOps Server

SOLID

Our client within the European Institutions is currently looking for a .NET Developer to write and support backend code in .Net 8.0 and participate in the .NET implementation of a micro-services solution.

Public

.NET Developer

€360

Location:

The Hague, Netherlands (the)

Apply before:

21/08/2025

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