Senior C#/.NET Backend Developer (Angular & SQL)

TL;DR

Senior C#/.NET Backend Developer (Angular & SQL): Building and maintaining scalable backend applications, REST API integrations, and reliable database-driven software with an accent on C#/.NET engineering, SQL Server performance, and frontend collaboration. Focus on designing robust services, implementing automated tests, improving observability and security, and supporting CI/CD delivery in Agile/Scrum environments.

Location: Porto, Portugal; hybrid work with up to 3 days remote per week. Candidates must have an existing legal right to work in the European Union.

Company

Technology-driven software delivery organization focused on scalable, reliable, and innovative solutions for digital transformation.

What you will do

• Develop and maintain high-quality C#/.NET backend applications.
• Integrate Angular interfaces with REST API services and collaborate with frontend teams.
• Manage and optimize Microsoft SQL Server databases for performance and security.
• Implement unit testing with NUnit and xUnit and uphold code quality standards using Sonar and Checkmarx.
• Monitor metrics and analyze logs with Elastic and Kibana.
• Support CI/CD pipelines and deployment processes using Azure DevOps, Bitbucket, XLDeploy, and XLRelease.

Requirements

• 6+ years of hands-on C#/.NET application development experience.
• Strong Microsoft SQL Server and backend C# programming skills.
• Knowledge of REST API integration, SOLID, KISS, coding standards, and code reviews.
• Experience with Agile and Scrum methodologies.
• Existing legal right to work in the European Union.
• English at B2 level or higher, with fluent spoken and written communication.

Nice to have

• Angular frontend development experience.
• Windows Communication Foundation knowledge.
• Checkmarx or similar security tooling experience.
• Azure DevOps, containerization, or cloud, security, and Agile certifications.

Culture & Benefits

• Hybrid work model based in Porto.
• Participation in Agile/Scrum teams with a focus on continuous improvement.
• Work on scalable software solutions supporting digital transformation.

Hiring process

• Submit a CV, preferably in English.
• Include confirmation of consent to the processing and storage of personal data.