.NET Application Support Developer, On-site

Description

Job Summary: We are seeking a .NET Application Support Developer with experience in application support, stability, and evolution, with a focus on incident resolution and feature development. Key Highlights: 1. Close collaboration with business teams, focused on application stability and evolution 2. Corrective and evolutionary support for .NET / C# applications 3. Incident analysis and resolution (L2 / L3) .NET Application Support Developer We are looking for a .NET Application Support Developer Madrid – 100% On-site (client's offices) Spanish and English (minimum B2) Do you have experience in .NET / C# and are interested in a business-facing role focused on production application stability, support, and evolution? This could be your next professional opportunity! We are seeking a .NET Developer with Application Support experience to join a technical team working on-site at the client's offices in Madrid. What will be your responsibilities? Corrective and evolutionary support for applications developed in .NET / C# Production incident analysis and resolution (L2 / L3) Error diagnosis, log review, and troubleshooting of integrations Development of new features and enhancements to existing applications Technical documentation of incidents, solutions, and procedures Participation in follow-up meetings with the client's IT team Collaboration with Infrastructure, QA, and Architecture teams Incident lifecycle management and SLA compliance using ITSM tools (Jira, ServiceNow, or similar) Technical Requirements Minimum 3 years of .NET development experience (C#, ASP.NET, .NET Core) Knowledge of relational databases (SQL Server, Oracle, or similar) Experience with REST and SOAP web services **Version control tools:** Git / Azure DevOps / TFS Ability to understand and debug both legacy and modern code Knowledge of IIS, Windows Server, and on-premise or cloud deployments **Preferred:** Entity Framework, Angular or React, Azure, PowerShell Profile and Competencies Proactive attitude and problem-solving orientation Strong communication and client-facing skills English proficiency at minimum B2 level (mandatory) Fluent Spanish for daily work Availability to work 100% on-site in Madrid Are you interested in this opportunity, or do you know someone who might be a good fit? Apply now or send me a private message to discuss! \# \#WeAreHiring \#DotNet \#CSharp \#ApplicationSupport \#Madrid \#OnSite \#ASPNet \#BackendDeveloper \#ApplicationSupport \#ITJobs \#TechJobs \#AzureDevOps \#SQLServer .net core, .net, C\#