Frontend Developer with .Net Skills (hybrid) - Deadline 26/06/25

The consultant will perform the following tasks/services:

•         Write web frontend code in JavaScript frameworks, such as React.

•         Manage the front-end build configuration and the appropriate npm tasks.

•         Work with Typescript and modern web development.

•         Write CSS and HTML by using SASS and Semantic UI.

•         Work extensively with Elasticsearch.

•         Participate in the .NET implementation of a micro-services solution, and write backend code in a reliable, fast, scalable, and secure way, satisfying requirements and service level agreements.

•         Implement validation mechanisms as unit and integration tests for both front-end and back-end code.

•         Write OAUTH authentication mechanisms

•         Maintain the technical documentation of the solutions and liaise with other technical Teams in order to push new features / changes to production.

•         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.

In performing the tasks, the consultant is expected to work comfortably within the team and communicate in a clean, concise way, with the aim of delivering the services as per Europol’s requirements.

More than 5 years of experience in Software Development

More than 2 years of experience in front-end Development with Javascript, Typescript and React

Good knowledge of SDLC best practices

Good knowledge of the design, documentation and development of full stack solutions

Good knowledge of front-end Development with Javascript, Typescript and React.

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

Excellent knowledge of Microsoft .NET (C#) and ASPNET Core

Knowledge of relational databases, focusing on Microsoft SQL Server (schema design, procedural scripting etc.)

Excellent knowledge Elasticsearch

Good knowledge of using containers (Docker)

Knowledge of agile software development methodologies

Knowledge of container orchestrators (Kubernetes)

Ability to draft clear and complete documentation for full stack solutions (including design and architecture)

The proposed consultant(s) must have already a security clearance at the level EU Confidential (or higher)

Level : Senior

Delivery mode: Hybrid 27% onsite (The Hague) and 73% remote from EU