Full Stack AI Developer

About the role

We are looking for a Full Stack AI Developer to design, build, and maintain end‑to‑end AI‑powered applications. The role combines .NET backend expertise with modern JavaScript front‑end frameworks and deep integration of Large Language Models (LLMs) to deliver intelligent, scalable solutions.

Key responsibilities

• Develop full‑stack web applications using .NET, C#, React.js, Next.js, and Node.js.
• Build secure, scalable RESTful APIs and backend services for AI‑driven features and third‑party integrations.
• Design and implement Retrieval‑Augmented Generation (RAG) solutions, embeddings, vector search, and AI agents.
• Create tool‑calling integrations that connect LLMs with APIs, databases, CRM platforms, and external services.
• Develop document‑based AI assistants for processing PDFs and other business documents.
• Implement workflow automation using n8n or similar platforms.
• Design, optimize, and maintain relational and NoSQL databases (SQL Server, PostgreSQL, Cosmos DB, Supabase).
• Apply security, authentication, logging, monitoring, and error‑handling best practices.
• Collaborate with product managers, QA engineers, and stakeholders in an Agile environment.

Required profile

• 4–6 years of professional software development experience.
• Hands‑on experience building AI‑powered applications and integrating LLMs.
• Proven ability to work in cross‑functional Agile teams.
• Strong problem‑solving skills and attention to performance, scalability, and reliability.

Required skills

• C# and the .NET ecosystem (ASP.NET Core, Web APIs, MVC/MVVM).
• Entity Framework or Dapper for data access.
• React.js, JavaScript, TypeScript, Next.js, Node.js.
• OpenAI or similar LLM platforms, Prompt Engineering.
• Retrieval‑Augmented Generation (RAG), embeddings, vector databases, semantic search.
• Tool & Function Calling, AI agents, workflow automation (n8n).
• SQL Server, PostgreSQL, Cosmos DB, Supabase.