Full Stack Engineer (Mid-Level) - Backend / Ai - 100% Remote (Belo Horizonte, Brazil)

Near Horizons, a technology staffing and software services company serving U.S. clients, is looking for a Full Stack Engineer (Mid-Level) with a strong backend focus for our client Boost Results, an innovative healthtech SaaS platform (ABA / behavioral health) in the U.S.

Location: Remote, must reside in Belo Horizonte, Brazil. You'll be mentored and supported by a fellow team member from Boost Results who is also based in Belo Horizonte, making the onboarding and learning curve smoother.

Key Responsibilities:

- Design, build, and maintain RESTful APIs using C# and .NET (Core/8/9)
- Contribute to backend architecture with a focus on modular, testable, and extensible design for AI-driven features
- Support the integration of LLM-powered capabilities into production workflows (document processing, intelligent scheduling, predictive analytics)
- Develop database models and write quality SQL queries
- Write unit and integration tests (xUnit), including basic evaluation of AI-based logic
- Participate in code reviews and architecture discussions
- Work with DevOps on CI/CD pipelines (Git, Azure DevOps) and containerization with Docker
- Collaborate with frontend, QA, and product teams, taking ownership of features end to end, with guidance from senior team members

Requirements:

- Native or fully fluent English (spoken and written), daily direct communication with the U.S.-based client
- 2-4 years of professional software development experience
- Working knowledge of C# and .NET Core
- Experience with SQL Server (schema design, basic query optimization)
- Familiarity with RESTful APIs
- Willingness to learn and grow into AI-integration work (OpenAI, Anthropic, Azure OpenAI) under mentorship
- Comfortable working in a remote, English-first environment
- Based in or able to reside in Belo Horizonte, Brazil

Nice to have:

- Any exposure to LLM APIs, RAG, embeddings, or vector search
- Familiarity with Clean Architecture or DDD concepts
- Experience with Azure (App Services, Functions, Storage)
- Familiarity with Python
- Interest in AI-assisted development tools (Claude Code, GitHub Copilot, Cursor)

Benefits:

- Career growth within a tech company serving U.S. clients
- Competitive compensation
- Formal employment
- 100% remote work
- Ongoing training and professional development
- AI-first engineering culture, daily use of tools like Claude Code, GitHub Copilot, and Cursor
- Direct mentorship and support from a fellow Boost Results engineer based in the same city

Culture: Dedicated, high-performing engineering teams that work as an extension of our clients' organizations, combining strong technical talent with seamless cross-border collaboration.

Job Type: Full-time