Senior.NET Web Developer (Madrid)

Location

Brussels (Hybrid) or Remote within Spain | Occasional travel required

About the Role

I'm currently working with a leading international organisation operating in a highly secure, multinational environment, supporting critical systems and services used across multiple countries. They are looking for an experienced Senior .NET Web Developer to join a team building and maintaining enterprise‑grade web applications that are secure, scalable and designed for long‑term impact.

Responsibilities

• Designing, developing and maintaining modern web applications across the full software development lifecycle.
• Building robust backend services using .NET and Entity Framework Core.
• Developing modern frontend applications using JavaScript and Svelte/SvelteKit.
• Creating and consuming REST APIs to integrate with enterprise systems and identity services.
• Contributing to architecture, application security, perfo...