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Alongside·Porto, Porto District, Portugal·Full-time

Fullstack Developer - .NET & Azure

Posted 25 August 2026

Alongside is a Portuguese company that partners with international organizations to build and scale exceptional tech teams.

We are looking for a Fullstack Developer - .NET & Azure to join a project with one of our clients, a global leader in professional information solutions and software. Operating across more than 180 countries, the company develops technology-driven solutions for industries including Healthcare, Tax & Accounting, Financial & Corporate Compliance, and Legal & Regulatory.

This person will work primarily with .NET, C#, SQL Server, and Azure, contributing to backend development, API design, technical decisions, code quality, and automated testing.

Responsabilities:

  • Design, develop, and maintain backend applications using .NET Core, ASP.NET MVC, and C#.
  • Develop and maintain RESTful Web APIs.
  • Work with SQL Server, including queries, stored procedures, and performance optimization.
  • Build and maintain cloud-based solutions using Microsoft Azure services.
  • Work with services such as Azure Functions, Azure Storage, API Gateway/API Management, and Kubernetes.
  • Write and maintain unit tests, using mocking frameworks and API automation practices.
  • Contribute to technical and design decisions, applying appropriate design patterns and OOP principles.
  • Participate in code reviews and contribute to maintaining high development standards.
  • Work with GitHub, following branching, merging, and collaborative development practices.
  • Collaborate with the development team throughout the software development lifecycle.

Requirements

  • 3+ years of experience in backend software development.
  • Strong hands-on experience with C# and Object-Oriented Programming (OOP).
  • Experience with .NET Core and ASP.NET MVC.
  • Hands-on experience developing Web APIs / REST APIs.
  • Solid knowledge of SQL Server, including queries, stored procedures, and performance tuning.
  • Understanding of common software design patterns.
  • Experience with cloud-based development, preferably using Microsoft Azure.
  • Experience with or exposure to Azure Functions, Storage, API Management/Gateway, and Kubernetes.
  • Experience writing unit tests, working with mocking frameworks, and API test automation.
  • Experience with Git/GitHub, including branching and merging strategies.
  • Good understanding of code review and software development best practices.
  • Good level of English, both written and spoken.

Benefits

  • Hybrid working model: 2 days per week at the office;
  • Collaborative and international work environment;
  • Opportunity to work on impactful software products and transformation projects;
  • Exposure to modern technologies, tools, and development practices;
  • Opportunity to collaborate with experienced professionals across different countries and areas of expertise.

Fullstack Developer - .NET & Azure