Backend Developer .Net (AI)

TL;DR

Backend Developer (.NET): Developing and maintaining backend services using C# and .NET with an accent on MCP architecture and JSON-RPC communication. Focus on integrating AI platforms such as Azure OpenAI and Anthropic Claude, and understanding tool calling and agent orchestration patterns.

Location: Hybrid, Lisbon, Portugal

Company

hirify.global is a specialized IT consulting partner with 18 years of experience, helping clients make the right decisions in a fast-moving market.

What you will do

• Build and maintain MCP Servers.
• Work with NuGet packages such as ModelContextProtocol and ModelContextProtocol.AspNetCore.
• Integrate AI platforms such as Azure OpenAI, Anthropic Claude, or GitHub Copilot.
• Understand tool calling, context windows, and agent orchestration patterns.

Requirements

• 4+ years of experience.
• Degree in Informatics Engineering, Computer Science, or similar.
• Strong experience with C# and .NET (preferably .NET 9 / .NET 10+).
• Solid knowledge of ASP.NET Core.
• Hands-on experience building MCP Servers.
• Deep understanding of MCP architecture and JSON-RPC communication.
• English Fluent

Culture & Benefits

• No-term full-time contract.
• Health Insurance.
• 22 days of paid vacation.
• 4 extra days annually (Carnival, Christmas Eve, New Year's Eve, Birthday).
• Meal Allowance on card (Coverflex).
• Training annual budget.