.NET Developer

Essential

• Solid Track Record: More than 10 years of real experience in development, maintenance, and L3-level technical support in .NET / C# ecosystems.

• Technical Mastery: Deep experience in .NET Core, ASP.NET, REST API development, and supporting applications on legacy frameworks.

• Cloud Ecosystem (Azure): Robust experience managing App Services, Azure SQL, Cosmos DB, Azure Monitor, and automation tools in Azure DevOps.

• BI & Data: High proficiency in reporting technologies such as SSRS, Power BI, and advanced T-SQL query optimization.

• Languages: Absolute fluency and professional ability to work in both Spanish and English (Advanced - C1).

• Experience in regulated financial environments (Banking).

• Knowledge or practical experience in containerization (Docker, Kubernetes).

• Official Azure certifications (Developer / Administrator) or ITIL 4 foundations.

• Compensation: Competitive fixed salary aligned with your expert-level experience.

• Work Mode: On-site at the corporate offices in Madrid, interacting directly with high-performing global teams.

• Exceptional Culture: An environment based on autonomy, collaboration, and dynamism, moving away from bureaucratic monotony.

• A real engineering space where your initiative is valued, your impact on mission-critical systems is recognized, and there is a firm commitment to your continuous growth.

"At Initium, we don't just develop technology: we create an environment where people can evolve, add value, and leave their mark."

Are you ready for the next big step in your career? If you are looking for a place where your code and decisions have a real impact, we want to meet you!

Apply now and let's talk.

Elite Challenge: Lead the Evolution and Impact in .NET / Azure Ecosystems

At Initium Software, we are not a typical consultancy; we are strategic partners who believe in real impact through technology. We connect top technical talent with the most challenging and innovative projects in the market.

As a Senior Support Lead (.NET / Azure), you will become the main technical authority and the engine that ensures the stability, optimization, and evolution of the portfolio of critical applications built on .NET and hosted on Azure for our client (Bank Julius Baer). If you are looking for an environment where your analytical and technical problem-solving skills not only maintain systems but also transform operational quality and guide other engineers, this is your place.

• Technical Authority (L3): Be the definitive senior escalation point for resolving complex incidents, root cause analysis, and performance degradation in .NET, ASP.NET Core, and Razor Pages applications.

• Code Evolution: Review, refactor, and deliver code fixes along with minor improvements, optimizing the agreed change capacity.

• Platform Guardian: Proactively administer and monitor the cloud infrastructure: Azure App Services, Azure SQL Server, Cosmos DB, and Azure DevOps pipelines.

• Quality Culture and Deployments: Lead and act as a quality filter (gatekeeper) for all deployments through thorough code reviews, test validation, and release sign-offs (release sign-off).

• Mentorship and Knowledge Transfer: Train and guide the support analyst team in .NET development best practices and incident management to raise the overall technical level.

• Security and Remediation: Collaborate closely with architects and security teams to mitigate vulnerabilities under strict timelines based on criticality.

Location/Modality: Madrid, Spain (100% On-site - Offices on Paseo de la Castellana) Language: Spanish and Advanced English (C1)

• Operational Excellence: Maintain P2/P3 incident resolution within SLA at a level >= 97%.

• Definitive Solutions: Maintain a 30-day incident recurrence rate below 5%.

• Zero Defects: Guarantee 100% code review coverage for every change request and maintain a pass rate in SonarQube quality gates >= 95%.

• Knowledge Management: Create entries in the Known Error Database (KEDB) within the first 24 hours of problem identification.