Senior .NET Backend Engineer — Data & AI, Flexible Work

SD Worx; Málaga; On-site; EUR 60,000 - 90,000; Full time

Benefits offered by this job

Private medical insurance

25 vacation days

Workation

Laptop provided

Flexible schedule

Career growth

Learning opportunities

Job summary

SD Worx is seeking a Senior Back-end .NET Developer to join the Corporate Data Management (CDM) team within Data & AI. You will design, develop, and maintain back-end solutions enabling data integration across enterprise systems and supporting Master Data Management initiatives.

The role requires hands-on .NET expertise, proactive collaboration with technical and business stakeholders, and a focus on scalable, high-quality software.

Qualifications

• Minimum 5 years of hands-on experience in back-end development with .NET Framework/.NET Core and C#.
• Experience building and consuming REST and SOAP services.
• Solid knowledge of SQL Server and database design best practices.
• Experience writing unit and integration tests.
• Ability to translate business requirements into scalable technical solutions.

Responsibilities

• Design, develop, and maintain back-end applications using .NET Framework, .NET Core and C#.
• Develop and support integrations between corporate systems and data platforms.
• Contribute to Master Data Management (MDM 2.0) initiatives and related projects.
• Deliver high-quality software within timelines and standards.
• Perform root cause analysis and fix defects; drive resolution.
• Write, maintain, and execute unit and integration tests; participate in code reviews.
• Collaborate with Product Owners and cross-functional teams to translate requirements into technical solutions.
• Ensure solutions are scalable, maintainable, and aligned with architectural guidelines.
• Support CI/CD processes and deployment activities.
• Create and maintain technical documentation and development standards.
• Take ownership of development activities and pursue process improvements.

Skills

NET backend

REST & SOAP

SQL Server

Unit tests

Architectural patterns

Agile teamwork

English communication

Tools

Entity Framework

Job description

SD Worx is seeking a Senior Back-end .NET Developer to join the Corporate Data Management (CDM) team within Data & AI. You will design, develop, and maintain back-end solutions enabling data integration across enterprise systems and supporting Master Data Management initiatives.

The role requires hands-on .NET expertise, proactive collaboration with technical and business stakeholders, and a focus on scalable, high-quality software.