Senior .NET Developer | Global technology company | Madrid

We are growing. And we are looking for talented people.

At Decskill, we believe that technological excellence is driven by human talent. We are an IT consulting company with more than 10 years of consolidated experience in the market, focused on building long-term relationships with both our clients and our people. Today, we are a community of over 800 professionals, working from Lisbon, Porto, and Madrid, contributing to impactful technology initiatives.

As part of the Astek Group, we combine a strong local culture with a global presence, being active in around 23 countries across 4 continents. This allows us to offer an international context, diverse challenges, and long-term career opportunities, while staying close to our teams.

We are looking for a

Senior .NET Developer with Azure experience

who will act as a technical lead for .NET-based applications and Azure cloud environments. The successful candidate will be responsible for

providing L3 incident resolution (third-level support) ,

leading code reviews and enhancement implementations ,

managing Azure platform operations , and

mentoring the support analyst team , fostering technical development and knowledge sharing across the team.

Responsibilities: Act as a

senior technical lead (L3)

for .NET and Azure-based applications. Resolve complex incidents and lead root cause analysis, ensuring application stability and performance. Lead code reviews, refactoring, and the implementation of enhancements in .NET applications. Manage and monitor Azure environments, including App Services, Azure SQL, Cosmos DB, and Azure DevOps pipelines. Participate in deployments and CI/CD processes, ensuring quality and adherence to development best practices. Collaborate with architecture and security teams to ensure robust and secure environments. Mentor the technical support team, promoting best practices and knowledge sharing

Requirements: Bachelor's or Master's degree in Computer Science, Software Engineering, or related field. +3 years of .NET/C# application development, maintenance, and L3 support. Deep expertise in .NET Core, ASP.NET, REST API development, and legacy .NET Framework application support. Strong Azure platform experience: App Services, Azure SQL, Cosmos DB, Azure Monitor, Azure DevOps. Proficiency in reporting technologies: SSRS, Power BI, T-SQL query optimisation. Experience with containerisation (Docker, Kubernetes) is advantageous. Knowledge of application security practices, OWASP Top 10, and vulnerability remediation. Experience in regulated financial services environments preferred. ITIL 4 Foundation preferred; Azure Developer or Azure Administrator certification advantageous. Fluent in English and Spanish.

Are you looking for an environment that values curiosity and commitment? Here, your contribution has real impact and individual growth is taken seriously. Find with us the right opportunity to grow.

What you can expect from us Long-term projects with national and international context Opportunities to grow technically and professionally A people-first culture, focused on transparency and trust Teams that value ownership, collaboration and stability

Your next challenge might start here.

At Decskill, we are committed to equal opportunities and non-discrimination. We promote a culture of diversity and inclusion, where recruitment and career progression are based solely on talent, regardless of age, gender, ethnicity, race, nationality, or any other form of discrimination incompatible with human dignity.