Remote .NET AI Agent Developer — Microsoft Agent & LLMs

Sii Poland; Toruń; On-site; PLN 150,000 - 230,000; Full time

Benefits offered by this job

Great Place to Work

Open and accessible management team

Profit sharing

Continuous learning opportunities

Medical care

Job summary

Sii Poland is seeking an AI Developer to design and build an internal AI Agent using .NET and the Microsoft Agent Framework. You will integrate LLMs and external APIs, create robust RESTful services, and automate CI/CD pipelines to ensure scalable performance.

The role is remote and requires strong English proficiency and Polish residency. The ideal candidate has 4+ years as a .NET Developer with GenAI experience and hands-on Azure services knowledge, joining a team of experts in a leading

Qualifications

• 4+ years as .NET Developer with LLM/GenAI experience
• Experience with Microsoft Agent Framework / Semantic Kernel
• Solid understanding of AI agent concepts and prompt engineering
• Practical knowledge of Azure services (Bot Service, Functions, App Service, AI Foundry, AI Search)

Responsibilities

• Designing and developing AI Agent using the Microsoft Agent Framework, C# and .NET
• Integrating external LLMs/APIs (OpenAI, Azure OpenAI)
• Building robust RESTful APIs
• Automating deployments and CI/CD pipelines (Azure DevOps, GitHub)
• Optimizing performance and scalability of AI solutions

Skills

English fluency

Prompt engineering

LLMs & GenAI focus

Tools

Microsoft Agent Framework

Semantic Kernel

Microsoft.Extensions.AI

Azure DevOps

GitHub

Job description

Sii Poland is seeking an AI Developer to design and build an internal AI Agent using .NET and the Microsoft Agent Framework. You will integrate LLMs and external APIs, create robust RESTful services, and automate CI/CD pipelines to ensure scalable performance.

The role is remote and requires strong English proficiency and Polish residency. The ideal candidate has 4+ years as a .NET Developer with GenAI experience and hands-on Azure services knowledge, joining a team of experts in a leading