Senior Back-end .NET/C# Developer (Remote – Argentina)

About the role

We are looking for a senior back‑end developer with deep expertise in .NET and C# to join Tangonet Solutions’ remote team in Argentina. The role focuses on building and maintaining high‑performance web applications while collaborating with product, design and other engineering teams.

Key responsibilities

• Design, develop and maintain robust web applications using .NET, C# and ASP.NET (WebForms a plus).
• Implement server‑side logic, database schemas and RESTful APIs.
• Write unit tests, conduct code reviews and ensure code quality, scalability and maintainability.
• Collaborate with cross‑functional teams to define, develop and deliver new features.
• Stay up‑to‑date with industry trends and contribute to continuous improvement of development practices.

Required profile

• Bachelor’s degree in Computer Science or related field.
• Minimum 3 years of professional back‑end development experience with .NET/C#.
• Experience working on at least one international project.
• Strong English communication skills (written and spoken).
• Ability to work effectively in a fully remote environment.

Required skills

• .NET.NET Core, C#
• ASP.NET (WebForms optional)
• RESTful APIs and web services
• SQL and relational databases
• Git version control
• WPF (desirable)
• HTML5, CSS3, JavaScript
• React or Angular (frontend frameworks)

What we offer

• Fully remote work from anywhere in Argentina.
• Flexible schedule and collaborative culture.
• Opportunities for continuous learning and professional growth.