Senior Software Engineer

Quality Ai; Portugal; Remote; EUR 70,000 - 100,000; Full time

Job summary

QualityAI in Portugal is seeking a Senior Software Engineer to lead enterprise-grade .NET development. You will design, implement, and maintain robust systems using C#/.NET, SQL Server, and modern frontend tech such as React or Blazor.

The role requires hands-on Azure experience, including Functions, DevOps pipelines, API Management, and messaging with Service Bus. You will own complex tasks and collaborate with cross-functional teams to deliver scalable solutions.

Qualifications

• Proficient in C# and .NET with enterprise-grade experience.
• Hands-on frontend development with React and/or Blazor.
• Experience with SQL Server and database design.
• Practical knowledge of Azure Functions and DevOps pipelines.
• Familiar with Azure Service Bus, APIM, and cloud-based integrations.

Responsibilities

• Design, develop, and maintain enterprise applications using C# and .NET.
• Develop modern user interfaces using React and/or Blazor.
• Develop, optimize, and maintain SQL Server databases, queries, stored procedures, and database structures.
• Develop and maintain serverless solutions using Azure Functions.
• Implement and maintain CI/CD pipelines using Azure DevOps.
• Work with Azure Service Bus Topics to support asynchronous messaging and event-driven architectures.
• Configure and manage APIs through Azure API Management (APIM).
• Collaborate with team members and stakeholders to deliver high-quality technical solutions.
• Take ownership of assigned tasks and proactively identify opportunities for improvement.

Skills

C#/.NET

SQL Server

React

Blazor

Azure Functions

Azure DevOps

Azure Service Bus

APIM

Cloud-based apps

Job description

Senior Software Engineer

Date: 11 Nov 2026 Company: QualityAI Country/Region: PT

About the Role

We are looking for an experienced and proactive Senior .NET Developer to join our team and contribute to the design, development, and maintenance of enterprise-level applications.

The ideal candidate has strong hands-on experience with C#/.NET, SQL Server, and React and/or Blazor, together with practical knowledge of Azure services and DevOps practices.

We are looking for someone who can work independently, take ownership of technical tasks, communicate effectively, and adapt quickly to a fast-paced and dynamic environment.

Key Responsibilities

• Design, develop, and maintain enterprise applications using C# and .NET.

• Develop modern user interfaces using React and/or Blazor.

• Develop, optimize, and maintain SQL Server databases, queries, stored procedures, and database structures.

• Develop and maintain serverless solutions using Azure Functions.

• Implement and maintain CI/CD pipelines using Azure DevOps.

• Work with Azure Service Bus Topics to support asynchronous messaging and event-driven architectures.

• Configure and manage APIs through Azure API Management (APIM).

• Collaborate with team members and stakeholders to deliver high-quality technical solutions.

• Take ownership of assigned tasks and proactively identify opportunities for improvement.

Required Skills & Experience

Must-Have Technical Skills:

• C# / .NET – Strong development experience with C# and the .NET ecosystem.

• SQL Server / React / Blazor – Solid experience with SQL Server and hands-on frontend development experience with React and/or Blazor.

• Azure Functions / Azure DevOps – Practical experience developing Azure Functions and working with Azure DevOps pipelines.

Additional Technical Skills:

• Experience with Azure Service Bus (Topics).

• Knowledge of Azure API Management (APIM).

• Experience with cloud-based application development and integration.

Nice to Have

• Experience with Microsoft Power Apps or the broader Power Platform.