Senior .NET Full-Stack Developer (API & UI)

itenium; Antwerpen; On-site; EUR 73,800 - 110,700; Part time

Job summary

itenium is seeking a freelance .NET Developer in Antwerp, Belgium. You'll be responsible for building and evolving backend services and APIs with .NET and ASP.NET Core, while also developing modern UI features. We require at least 5 years of experience in .NET Core and strong knowledge of Entity Framework and SQL. Fluency in Dutch and comfort in English are essential. Join us to deliver quality software while we connect you with the right projects.

Qualifications

• At least 5 years' experience with .NET Core / ASP.NET Web API.
• Fluent in Dutch and comfortable in English.
• Strong knowledge of Entity Framework, LINQ, and async/await.

Responsibilities

• Build and evolve backend services and APIs.
• Develop modern UI features using TypeScript.
• Design maintainable architectures with best practices.
• Work with data: performance and reliability.
• Deliver production-ready software via testing.
• Collaborate with agile teams to translate business needs.

Skills

Backend services with .NET

Frontend frameworks (Angular/React/Vue)

Entity Framework

SQL

Collaboration

DevOps familiarity

Job description

itenium is seeking a freelance .NET Developer in Antwerp, Belgium. You'll be responsible for building and evolving backend services and APIs with .NET and ASP.NET Core, while also developing modern UI features. We require at least 5 years of experience in .NET Core and strong knowledge of Entity Framework and SQL. Fluency in Dutch and comfort in English are essential. Join us to deliver quality software while we connect you with the right projects.