Senior Backend Developer .NET

Description

* #### **Country:** Spain * #### **Province:** Community of Madrid * #### **Description:** Capitole Consulting continues to grow — and we want to grow with you! We are seeking a Backend Developer with 6\-10 years of experience to join an international technology environment within a leading client in the security sector. The selected candidate will contribute to the evolution of technical solutions within the Central Services Backoffice technology environment, working on critical applications and processes, with a focus on backend development, data integration, evolutionary maintenance, optimization, and support for development teams. This is a senior position oriented toward developing and maintaining backend solutions, designing complex SQL queries, working on ETL processes, collaborating on pipeline and deployment evolution, and contributing to improving the application lifecycle within a DevOps culture. KEY COMPETENCIES FOR THIS ROLE: \* Evolution of technical solutions within the Central Services Backoffice environment. \* Backend development using Microsoft technologies. \* Analysis and resolution of complex issues related to data movement. \* Design and development of complex SQL queries and database objects. \* Maintenance, optimization, and performance tuning in SQL Server. \* Evolution and maintenance of application build pipelines. \* Definition of deployments and promotions across environments. \* Management of environment-dependent configurations. \* Maintenance and support of development and testing environments. \* Definition and implementation of improvements to the application lifecycle. \* Technical support for development teams. \* Automation of daily development team tasks. \* Work in Agile environments using tools such as Jira and Confluence. \* Use of Artificial Intelligence tools to improve productivity, code quality, debugging, documentation, and technical research. TECHNOLOGICAL STACK / MANDATORY KNOWLEDGE: \* Visual Studio \* C\# \* .NET Framework / .NET Core \* SSIS \* SQL Server \* AI applied to daily software development \-DESIRABLE \* Visual Code \* Sonar or similar tools \* NuGet Package \* jQuery \* ETL experience \* Angular Languages: English at least B2 level. We’re great — but with you, we’ll be even better! For this, you’ll have: \* An annual individual training budget to continue your professional growth. \* Continuous follow-up and mentoring from our team. \* A stable project with a reference international client. \* A complex technology environment within the Central Services Backoffice area. \* Participation in the evolution of technical solutions with real business impact. \* Work with Microsoft technologies, data integration, ETL, and SQL Server. \* Collaboration with technical teams in an Agile and DevOps environment. \* Use of Artificial Intelligence tools to improve productivity and technical quality. \* Competitive conditions aligned with experience and value delivered. To get to know our entire family: \* Team buildings and team events. \* Technology communities to share knowledge. \* An environment where you can learn, contribute, and grow professionally. \* And, of course, an outstanding team that’s a pleasure to work with. Don’t hesitate to send us your profile — we’re excited to meet you! 🚀 The employee will adhere to information security policies: \- Will have access to confidential information related to Capitole and the project they work on. \- Must comply with security policies and internal policies of both the company and the client. \- Must sign an NDA.