Senior Back-End Developer - .NET / Azure

act digital; Brussel; Sur place; EUR 70 000 - 110 000; Plein temps

Résumé du poste

act digital in Belgium seeks an experienced Senior Back-End Developer to design, build, and maintain scalable backend solutions using .NET, Azure, REST APIs, and DevOps.

You will contribute to software architecture, cloud integration, automation, and continuous improvement of development processes while collaborating with stakeholders in an Agile setting.

Qualifications

• 10+ years of professional .NET development experience.
• 5+ years with Microsoft Azure.
• Hands-on experience with REST APIs and DevOps practices.
• Experience with microservices and clean architecture.
• Proficient in Git, Jira, and Confluence.
• Strong English communication (B2) proficiency.

Responsabilités

• Translate storyboards and use cases into functional applications.
• Design, build, and maintain efficient, reusable backend code.
• Develop and integrate data storage solutions and REST APIs.
• Ensure application performance, scalability and reliability.
• Collaborate with DevOps to strengthen CI/CD pipelines and deployment processes.
• Contribute to software architecture and modern development practices.
• Work in Agile environments with technical and business stakeholders.

Connaissances

Senior .NET

Azure

REST APIs

DevOps

CI/CD

Git

Jira

Confluence

Microservices

Architectures

Outils

Git

Jira

Confluence

Description du poste

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

• 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.
• Experience with modern .NET development practices.
• Knowledge of microservices architecture, clean architecture, and design patterns.
• 5+ years of professional experience with Microsoft Azure.
• Strong understanding of Azure cloud services and architectures.
• Experience with services such as:
• 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.
• Experience implementing unit testing and using relevant testing frameworks.
• Strong practical experience with Git in collaborative development environments.
• 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.