{"id":4003611,"url":"https://alion.io/job/pauwels-consulting-senior-net-developer-blazor-ui","title":"Senior .NET Developer – Blazor & UI","company":{"id":1959765,"name":"Pauwels Consulting","domain":"pauwelsconsulting.com","url":"https://alion.io/company/pauwelsconsulting","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Brussels, Belgium"],"countries":["BE"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"ASP.NET Core","optional":false},{"name":"Azure","optional":false},{"name":"Azure DevOps","optional":false},{"name":"Blazor","optional":false},{"name":"C#","optional":false},{"name":"CI/CD","optional":false},{"name":"Entity Framework Core","optional":false},{"name":"Git","optional":false},{"name":"SQL","optional":false},{"name":"Claude Code","optional":true},{"name":"Copilot","optional":true},{"name":"JavaScript","optional":true},{"name":"TypeScript","optional":true}],"status":"live","first_seen_at":"2026-11-09T13:15:40Z","employer_posted_date":null,"last_verified_at":"2026-11-09T13:15:40Z","board_verified":false,"closed_at":null,"days_open":0,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":0},"description":"Responsibilities\nProvide technical direction for frontend development and promote consistent application architecture and coding standards.\nDevelop features, reusable components, and technical improvements using modern .NET and Blazor.\nDesign scalable and maintainable user interface structures that align with accessibility and design system standards.\nCollaborate with analysts, architects, and stakeholders to translate business requirements into robust technical solutions.\nIntegrate web applications with secure APIs and implement robust authentication flows.\nEnsure high code quality through structured peer reviews, static analysis, and comprehensive testing strategies.\nSupport the continuous improvement of engineering practices and coach other developers to foster technical excellence.\n\nRequirements\nYou have 8+ years of backend development experience with C# and Agile methodologies.\nYou possess 6+ years of experience with Modern .NET and ASP.NET Core.\nYou bring 6+ years of experience in frontend development using HTML, CSS, and Responsive Design.\nYou're experienced with 6+ years of Testing and quality practices, including unit testing, integration testing, and UI automation.\nYou have 6+ years of experience managing delivery with Git, Azure DevOps, and CI/CD pipelines.\nYou possess 5+ years of experience implementing Security and identity protocols via OAuth 2.0, OpenID Connect, and JWT.\nYou bring 5+ years of experience in Data and integration with Entity Framework Core and SQL.\nYou've worked for 3+ years with Blazor and Razor components.\nYou have 3+ years of experience delivering solutions that meet Web accessibility and WCAG 2.1 AA standards.\nYou are fluent in English with mastery of either French or Dutch.\nNice to Haves\n3+ years of experience with Cloud platforms specifically Microsoft Azure.\n2+ years of experience with Distributed systems and messaging via Azure Service Bus or NServiceBus.\n2+ years of experience with JavaScript or TypeScript and frontend interoperability.\n1+ years of experience using AI-assisted development tools such as GitHub Copilot or Claude Code.\nKnowledge of .NET Framework maintenance and passive knowledge of Dutch or 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