Senior Back-End Developer
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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.
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