Fullstack Developer - .NET & Azure

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. 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. 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.