Senior .Net Web Developer (España)

Brussels (Hybrid) or Remote within Spain | Occasional travel requiredI'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.ResponsibilitiesDesigning, 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, performance and scalability improvements.Working within CI/CD environments and supporting cloud-ready application deployments.QualificationsStrong experience developing enterprise web applications using modern .NET technologies.Solid knowledge of .NET (current LTS versions), Entity Framework Core, REST API design and integration.SQL Server, JavaScript, Svelte/SvelteKit.Experience with secure software development practices.Familiarity with CI/CD pipelines, monitoring and application lifecycle management.Experience working with Git and modern development tooling.Strong English communication skills.Nice to HaveExperience deploying applications to cloud environments.Knowledge of identity and authentication systems.French language skills.Experience working in international, public sector, defence or highly regulated environments.Why join?Work on meaningful projects with real-world impact. Modern technology stack with both backend and frontend ownership. International and collaborative environment. Versatile working model: Brussels or remote within Europe. Long-term projects focused on quality, security and innovation.#J-*****-Ljbffr

Strong experience developing enterprise web applications using modern .NET technologies. Solid knowledge of .NET (current LTS versions), Entity Framework Core, REST API design and integration. SQL Server, JavaScript, Svelte/SvelteKit. Experience with secure software development practices. Familiarity with CI/CD pipelines, monitoring and application lifecycle management. Experience working with Git and modern development tooling. Strong English communication skills. Nice to Have Experience deploying applications to cloud environments. Knowledge of identity and authentication systems. French language skills. Experience working in international, public sector, defence or highly regulated environments.

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