About the Role

We are looking for an experienced Senior Back-End Developer with strong expertise in .NET, Microsoft Azure, REST APIs, and DevOps to join a development team working on modern, scalable applications.

You will be responsible for designing, developing, and maintaining reliable back-end solutions while contributing to software architecture, cloud integration, automation, and continuous improvement of the development process.

Key Responsibilities

- Translate application storyboards and use cases into functional applications.
- Design, build, and maintain efficient, reusable, and reliable code.
- Develop and integrate data storage solutions, including databases, key-value stores, and blob storage.
- Develop and maintain REST APIs.
- Ensure optimal application performance, quality, scalability, and responsiveness.
- Identify bottlenecks and bugs and implement effective solutions.
- Contribute to code quality, organization, automation, and maintainability.
- Collaborate with central teams to strengthen and improve DevOps capabilities within development teams.
- Contribute to software architecture and the implementation of modern development practices.
- Work within Agile development environments and collaborate closely with technical and business stakeholders.

Required Experience & Skills

.NET Development

- 10+ years of professional experience in .NET development.
- Recent hands-on experience with .NET Core and modern .NET versions, including .NET 8–10 or equivalent.
- Strong experience developing REST APIs.
- Experience with modern .NET development practices.
- Knowledge of microservices architecture, clean architecture, and design patterns.

Microsoft Azure





- 5+ years of professional experience with Microsoft Azure.
- Strong understanding of Azure cloud services and architectures.
- Experience with services such as:
- Azure Event Hub
- Azure Cosmos DB
- Azure Functions
- Other relevant Azure services
- Ability to work on complex cloud-based projects and take responsibility for Azure-based solutions.

DevOps & CI/CD

- 5+ years of experience with DevOps practices.
- Strong experience with CI/CD pipelines, including YAML-based pipelines.
- Experience with deployment strategies such as blue/green deployments.
- Experience contributing to the automation and improvement of development and deployment processes.

Databases

- Practical experience with both SQL and NoSQL databases.
- Understanding of database usage in transactional and distributed systems.

Testing & Version Control

- Experience implementing unit testing and using relevant testing frameworks.
- Strong practical experience with Git in collaborative development environments.

Development & Collaboration Tools

- Experience with Atlassian tools, particularly Jira and Confluence.
- Experience working within Agile delivery and DevOps environments.
- Knowledge of Agile methodologies such as Scrum and/or SAFe.

Nice-to-Have Skills

- Professional experience with React.js and front-end development.
- Experience adopting new technologies and frameworks.
- Participation in technology modernization or innovation initiatives.
- Experience using AI-powered IDEs or AI-assisted development tools.

Languages

- English: minimum B2 level, both written and spoken.

Working Model

- Brussels
- Minimum 2 days per week onsite.

📌 Senior back-end developer - .net / azure (España)
🏢 act digital
📍 España