Fullstack .NET Angular Developer

Freelance Fullstack .NET Angular Developer

MUST-HAVE REQUIREMENTS

Languages

• French OR Dutch – proficient/professional level (MUST)
• knowledge of the other national language – MUST
• English – proficient level (MUST)

Technical Skills

• Angular & TypeScript – strong hands-on experience (MUST)
• ASP.NET Core & C# – strong hands-on experience (MUST)
• Azure – good knowledge (MUST)
• Microsoft SQL Server – good knowledge (MUST)
• REST API design & development – strong experience (MUST)
• Software architecture & technical design – experience (MUST)
• Data modelling, conceptual/logical models & ERDs – experience (MUST)
• CI/CD & DevOps practices – experience (MUST)
• Code reviews – experience (MUST)
• Security, performance & query optimisation – experience (MUST)
• Agile/Scrum or Kanban – professional experience (MUST)

Education

Master's degree in Software Engineering, Computer Science, Civil Engineering or an equivalent technical field (MUST).

THE ROLE For one of our customers, we are looking for an experienced Fullstack .NET Angular Developer to join a multidisciplinary Agile development team.

You will contribute to the development and evolution of a business-critical platform, delivering secure, scalable and maintainable software solutions in line with established architecture and software engineering standards.

You will work closely with developers, business analysts, UX designers, IT architects and operations teams.

KEY RESPONSIBILITIES

• Develop high-quality application components using Angular, TypeScript, ASP.NET Core and C#.
• Design application components in close collaboration with the development team.
• Analyse technical challenges and propose appropriate solutions.
• Contribute to software architecture and technical design.
• Design and implement RESTful APIs.
• Prepare REST API specifications and implementation documentation.
• Design conceptual and logical data models, including ERDs.
• Work on database design and optimisation using Microsoft SQL Server.
• Configure and maintain CI/CD pipelines and deployment scripts.
• Perform code reviews and provide technical recommendations.
• Address non-functional requirements such as security, performance and query optimisation.
• Prepare technical analyses and solution proposals.
• Create architecture and technical design documentation.
• Contribute to operational, support and maintenance documentation.
• Share knowledge and coach other team members on development frameworks, tools and best practices.
• Take on a technical lead role when required, including technical release management.
• Ensure compliance with coding standards and software engineering best practices.

IDEAL FREELANCE PROFILE

We are looking for a senior, autonomous and technically strong Fullstack .NET Angular Developer who can contribute across the full software development lifecycle.

You should have

• Strong hands-on experience with Angular and TypeScript.
• Strong hands-on experience with ASP.NET Core and C#.
• Solid experience with Azure.
• Solid experience with Microsoft SQL Server.
• Strong knowledge of RESTful API design and development.
• Experience with software architecture and technical design.
• Experience with data modelling and database design.
• Experience with CI/CD and DevOps practices.
• Experience with code reviews and quality assurance.
• Experience working in Scrum or Kanban environments.
• A strong focus on clean code, testing, maintainability and software quality.
• A high degree of autonomy, reliability and ownership.
• Excellent communication and collaboration skills.
• Ability to work full-time during normal working hours, Monday to Friday, 7h36 per day.
• Availability to work in a hybrid setup with up to 50% remote work.

PRACTICAL INFORMATION

• Start date: 14/10/2026
• Duration: 660 man-days
• Location: Brussels
• Remote: Up to 50%
• Engagement: Freelance
• Availability: Full-time
• Languages: French OR Dutch at proficient/professional level, knowledge of the other national language, plus English

Interested? Please send us your CV, availability, expected daily rate and a brief overview of your experience with Angular, TypeScript, ASP.NET Core, C#, Azure, SQL Server and REST APIs.