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# Backend developer .NET

- **Company:** Experis
- **Location:** Madrid, Spain
- **Contract:** Permanent contract
- **Skills:** .NET Framework, Agile Methodology, JIRA, Microsoft Azure, Code Review, DevOps, Github, PostgreSQL, Microsoft SQL Server, MongoDB, NoSQL, Scrum Methodology, Redis, SQL Databases, Backend, Event Driven Architecture, Kubernetes, Sentry, Cosmos DB, Interactive Whiteboards, Docker
- **Published:** September 1, 2026
- **Apply:** https://www.experis.es/es/oferta-de-empleo/746593/senior-backend-developer-net-h-m-x-/madrid

## About the Role

+ Continuous improvement of agile methodologies and tools
Quality and Performance

 + Drive culture of test-first development with unit, integration and performance testing
 + Support root cause analysis and resolution of production issues, ensuring high reliability and uptime
 + Contribute to ongoing platform refactoring and modernization efforts.
Global Collaboration

 + Work closely with DevOps and Engineering Operations teams to optimize build pipelines, observability and deployment automation.
 + Ensure compliance with global standards, information security policies and regulatory requirements
 + Collaborate regularly with Product Teams, especially Product Owners, to align on requirements, clarify priorities and deliver business value iteratively.
Qualifications
Required Skills/Experience:

 + 8+ years of experience in .NET software development with C# and ASP.NET Core.
 + Strong knowledge of object-oriented design, microservices architecture and API development (REST/GraphQL)
 + Experience with SQL and NOSQL databases (e.g. SQL Server or Postgres SQL, Cosmos DB, MongoDB), as well as caching with Redis or similar.
 + Advanced understanding of cloud-native architectures, CI/CD pipelines and DevOps practices (preferably GCP)
 + Experience in containerization (Docker, Kubernetes)
 + Agile Development experience (Scrum/Kanban), including story estimation, code reviews and pair programming.
 + Experience working in distributed or remote teams and using tools such as Jira, GitHub, Miro and Azure DevOps.
 + Solid understanding of performance optimization.
 + Excellent interpersonal and communication skills, fluent in English and Spanish.
 + Passionate about building high-quality software products with empowered teams.
 + Understanding of secure development practices and compliance frameworks (e.g. ISO27001, GDPR, SOC2).
Preferred Skills/Experience:

 + Experience in working in a global, multi-cultural organization.
 + Exposure to domain-driven design (DDD) and event-driven architecture.
 + Experience with observability tools (e.g. Sentry, Lighthouse etc.)
 + Ability to work in a fast-paced, growing tech environment and to foster change in larger organizations.

## Description

Reporting into Director of Software Engineering, the Senior Backend Engineer will work within the Global Technology Hub from our Madrid office.


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