Artificial Intelligence Engineer

• Please Read* Duration : This is expected to be a 6 to 12 month engagement

Location : Remote in Brazil

Notice Period : Cannot be longer than 3 weeks

Pay : 18.42 / hr to 20.39 / hr USD or R$15,268 to R$16,978 monthly

Senior AI Back-End Engineer

Must Haves :

6+ years of back‐end engineering experience using C# / .NET (Core or 6+) in enterprise‐level environments

Strong proficiency with SQL Server including stored procedures, query optimization, and schema design

2+ years experience integrating or working alongside AI-assisted development tools such as Claude Code, GitHub Copilot, or similar LLM-powered automation

Solid understanding of API design (REST, minimal APIs, controllers, versioning, authentication)

Experience building scalable, maintainable back-end systems with clean architecture, dependency injection, and robust logging

Familiarity with cloud environments (Azure preferred; AWS acceptable), including function apps, containers, or CI / CD pipelines

Plusses :

Experience implementing AI-powered automations, such as code generation workflows, prompt-engineered utility layers, or LLM-based backend logic

Familiarity with vector databases, embeddings, or retrieval pipelines

Day to Day :

The AI Back-End Engineer will design, build, and maintain backend services using C# / .NET and SQL Server, contributing to scalable API layers and reliable application infrastructure. Daily responsibilities include implementing new features, optimizing SQL queries, integrating AI-assisted coding tools like Claude Code or GitHub Copilot into development workflows, and ensuring clean, maintainable code output.