Medior Full-Stack .NET Developer - JP054559

ITProposal; Dessel; Sur place; EUR 50 000 - 73 000; Plein temps

Résumé du poste

ITProposal in Dessel, Belgium is seeking a Medior Full-Stack .NET Developer to join a technical team. You will contribute to the development, implementation, maintenance and optimisation of secure and high-performing software applications in an Agile setting.

The ideal candidate has hands-on experience with .NET, React, microservices, SQL Server, Azure DevOps and Git, and is comfortable working onsite in Dessel as a full-time contractor for a 4-month term starting August 2026.

Qualifications

• 2–3 years of professional development experience.
• Solid experience with .NET and React.
• Experience with microservices architecture and APIs.
• Knowledge of SQL Server and Azure DevOps.
• Experience with Git and unit/integration testing.
• Understanding of Agile methodologies and security practices.
• Experience with Application Insights or similar monitoring is a plus.
• Strong communication and teamwork abilities.

Responsabilités

• Develop and maintain full-stack applications using .NET and React.
• Perform functional and technical analyses based on requirements.
• Design solutions within a .NET/microservices architecture.
• Develop and integrate APIs and microservices.
• Collaborate in an Agile, Azure DevOps environment.
• Use Git for source control and code reviews.
• Conduct unit and integration testing and monitor performance.
• Ensure security best practices for applications and APIs.
• Please to keep documentation up to date and share knowledge.

Connaissances

.NET

React

Microservices

SQL Server

Azure DevOps

Git

Unit testing

APIs

Agile

Security best practices

Formation

Bachelor's degree in Computer Science / IT / Software Engineering

Outils

Azure DevOps

Git

SQL Server

Description du poste

Medior Full-Stack .NET Developer

Location: Dessel, Belgium
Work Model: Onsite – No Remote
Employment Type: Full-time Contract
Duration: 4 months
Start Date: August 2026
Experience: 2–3 years

Job Overview

We are looking for a Medior Full-Stack .NET Developer to join a technical development team and contribute to the development, implementation, maintenance, and optimisation of secure and high-performing software applications.

The ideal candidate will have hands-on experience with .NET, React, microservices, SQL Server, Azure DevOps, and Git, and will be comfortable working in an Agile environment.

Key Responsibilities

• Develop and maintain full-stack applications using .NET and React.
• Perform functional and technical analyses based on business and user requirements.
• Design solutions within a .NET and microservices architecture.
• Contribute to technology and framework selection.
• Develop and integrate APIs and microservices.
• Work with Azure DevOps within an Agile development environment.
• Use Git for source control and version management.
• Perform unit and integration testing.
• Apply application and API security best practices.
• Monitor application performance, stability, and reliability.
• Work with SQL Server for data management.
• Support data integration within microservices environments.
• Debug and resolve frontend and backend issues.
• Provide second-line application support.
• Proactively identify and prevent production issues.Contribute to improvements in architecture and development practices.
• Keep up to date with developments in the .NET and React ecosystems.
• Document code, APIs, architecture, and technical solutions.
• Share technical knowledge and best practices within the team.

Required Skills & Experience

• Approximately 2–3 years of professional development experience.
• Solid experience with .NET.
• Hands-on experience with React.
• Experience working with microservices.
• Knowledge of SQL Server.
• Experience with Azure DevOps.
• Experience with Git.
• Understanding of application and API security.
• Experience with unit and integration testing.
• Knowledge of Agile methodologies.
• Experience with application monitoring, preferably Application Insights.
• Experience with modern React state-management solutions such as Redux and/or Zustand.
• Strong analytical and problem-solving skills.
• Good communication and teamwork abilities.
• Strong motivation, maturity, and willingness to learn.

Education

• Bachelor's degree in Computer Science, IT, Software Engineering, or a related field, or equivalent professional experience.

Language

• Dutch or French: Native or bilingual proficiency.

Additional Requirements

• The position is fully onsite in Dessel, Belgium.
• Candidates should be able to commute to the Dessel site on a daily basis.
• A security clearance/authorisation or security screening may be required as part of the selection process.
• Candidates should indicate whether they or their company already hold the required security clearance.