Job Summary: We are seeking a Mid-Level .NET Developer to develop and evolve systems with a focus on AI, integrating LLM APIs, prompt engineering, and RAG. Key Highlights: 1. Work on the development and evolution of .NET systems 2. Integrate APIs of large language models (OpenAI, Claude) 3. Implement and maintain RAG pipelines We are looking for a Mid-Level .NET Developer to work on system development and evolution, with an important differentiator: hands-on experience in AI-driven solutions, including integration with LLM APIs (OpenAI, Claude), prompt engineering, and RAG. Responsibilities Develop, maintain, and evolve applications using .NET (C\#) Model, query, and optimize SQL Server databases Integrate systems with large language model APIs (OpenAI, Claude, etc.) Develop and fine-tune prompts for various use cases Implement and maintain RAG (Retrieval\-Augmented Generation) pipelines Participate in technical decisions and best practices in architecture Collaborate with the team on code reviews, documentation, and testing **Requirements:** Solid experience with .NET / C\# Experience with SQL Server (modeling, queries, performance) Knowledge of integrating with LLM APIs (OpenAI, Claude or similar) Practical experience in prompt engineering Understanding of RAG (Retrieval\-Augmented Generation) concepts Strong programming logic and development best practices (Clean Code, SOLID)
João Silva
Indeed · HR
João Silva
Indeed · HR
