.NET Developer (C#/.NET, Angular, Azure) — Contractor, Spain-Only, 100% Remote

Location: Spain (must be living in Spain)

Work arrangement: Contractor (autónomo / B2B)

Remote: 100% remote within Spain

Language: Spanish (C1) and English B2+

Start: ASAP

Dedication: Full-time

About the role

We are seeking a .NET Developer with hands-on experience in C#/.NET and modern frontend frameworks to build secure, scalable, and maintainable applications. You will collaborate with cross-functional teams, contribute to technical designs and code quality, and deliver high-impact solutions in a contractor (B2B) setup.

Key responsibilities

• Design and develop features using C# with .NET/.NET Core for web and services.
• Build and maintain responsive UIs with Angular and/or AngularJS (components, services, state).
• Design, consume, and document RESTful APIs; ensure security and performance.
• Model and optimize relational databases and write complex SQL queries and transactions.
• Apply best practices for testing, code quality, and performance (unit/integration tests, reviews).
• Collaborate in Agile teams with Product, QA, and DevOps; participate in CI/CD workflows.

• Microsoft .NET Framework: C# for web development.
• Microsoft .NET Core: C# for web/console applications.
• Angular and AngularJS: components, services, state management.
• Databases (SQL): complex queries, optimization, transactions.
• HTML/CSS: responsive layouts and accessibility awareness.
• RESTful APIs: design and consumption.
• Azure: development and deployment (App Services, Functions, Azure SQL).
• Version control: Git and code collaboration platforms.

• Portfolio or examples of previous projects using the stack above.
• Microsoft or Web Development certifications (nice to have).
• Familiarity with CI/CD (GitHub Actions, Azure DevOps, or GitLab).
• Best practices for security (OWASP), performance, and observability (logs/metrics).

• Contractor engagement (autónomo / B2B).
• 100% remote work from anywhere in Spain.
• Competitive day rate aligned with experience and scope.
• Long-term collaboration with potential extensions.

How to apply

If it suits you, apply here right away! If not, please share it with your collegues.

Thanks!