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Fullstack Developer (.NET + React)

Excelia·Madrid, Spain

What they offer

  • Permanent contract

    Full-time hours.

  • Hybrid

    Office and home days — the ad has the split.

What they ask for

  • Have the right to work in Spain

    Excelia doesn't mention sponsorship in the ad.

  • Be near Madrid for hybrid days

    No relocation package mentioned.

Pulled from the advert automatically — the full ad is what counts.

Added 5 days ago
Read the full advert

About the role

💻 Fullstack Developer (.NET + React)

📍 Location: Madrid, Spain
🏠 Work Mode: Hybrid
📄 Contract: Permanent

At Excelia we continue to grow and are looking to bring on a Fullstack Developer (.NET + React) to join an agile team, participating in the development of high-quality solutions with a strong focus on engineering best practices.

If you enjoy developing modern applications, working with current technologies, and taking full ownership of the modules you build, this opportunity is for you.

What you'll do

  • Develop and maintain Fullstack applications using .NET and React technologies.

  • Design and develop REST APIs with ASP.NET Core.

  • Build modern interfaces with React and TypeScript.

  • Implement automated tests as part of the development cycle.

  • Participate in code reviews through Pull Requests and defined quality standards.

  • Collaborate in an agile environment using Azure DevOps.

  • Work with clean architectures and engineering best practices.

Nice to have

  • Experience using AI-assisted development tools such as Claude Code, Cursor, or GitHub Copilot.

  • Ability to work following predefined rules, patterns, and standards.

What you'll get

  • Permanent contract.

  • Hybrid work mode in Madrid.

  • Technology projects with modern technologies.

  • Collaborative and agile environment.

  • Professional growth opportunities.

  • Continuous training and career development.

  • Excellent working environment.

Are you interested in joining our team? We'd love to meet you! 🚀

Backend

  • Experience with C# and ASP.NET Core Web API (preferably .NET 8, 9, or 10).

  • Entity Framework Core.

  • SQL Server.

  • Knowledge of Clean Architecture (Domain / Application / Infrastructure).

Frontend

  • React.

  • TypeScript.

  • REST API consumption.

  • Experience working with Design Systems and component libraries.

Testing

We are looking for developers accustomed to working with quality from the start:

  • Experience developing automated tests.

  • xUnit on the backend.

  • Vitest on the frontend.

  • Knowledge of testing best practices and continuous integration.

⚙️ Tools

  • Azure DevOps (Boards, Repos, and Pipelines).

  • Pull Requests.

  • Quality Gates.

  • Continuous Integration (CI).

👤 What are we looking for?

A person with:

  • Autonomy.

  • Proactivity.

  • Ownership mindset.

  • Attention to detail and quality orientation.

  • Ability to thrive in small squads and take full ownership of the modules you develop.

You'll most likely need Spanish to apply.This job was automatically translated to English, .

About the company

Excelia

Excelia

Company

View company profile
International company
1800 employees
Spain HQ: Madrid

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