Note: The job is a remote job and is open to candidates in USA. The client provides comprehensive HR software for public-sector organizations, supporting the full employee lifecycle from recruiting and onboarding to performance management and compliance. The AI Agentic Engineer will design and build AI-driven systems where agents and developers collaborate, integrate LLMs into production workflows, and establish scalable distributed architectures on AWS.
Responsibilities
- Design systems where AI agents and developers collaborate in real time
- Build and implement agentic systems capable of planning tasks, writing code, running tests, and deploying applications
- Integrate LLMs (especially Claude) into production workflows
- Design tool-use (function calling) and agent orchestration layers
- Implement strategies for long-context management and multi-step reasoning loops
- Define architecture for scalable, distributed AI systems on AWS
- Evaluate when to leverage .NET or alternative ecosystems, ensuring the best tool for each challenge
- Work closely with engineering teams to bring architecture into production
Skills
- Proven experience building or designing AI/agentic systems
- Deep understanding of LLM integrations (especially Claude or similar models), function calling / tool-use patterns, agent orchestration, reasoning loops, prompt engineering, and context management
- Hands-on experience with AWS and complex cloud-native architectures
- Strong background in distributed systems and scalable platform design
- Hands-on experience with systems built with .NET C# and Angular
- Core focus on SDLC-AI Driven development
- Ability to make high-impact architectural decisions in fast-evolving environments
- Strong communication skills and ability to influence technical direction
- English proficiency at C1 level (written and verbal)
- Experience building developer platforms or coding tools
- Familiarity with tools like Replit, Cursor, or AI-assisted IDEs
- Experience with multi-agent systems or orchestration frameworks
- Background in DevOps automation or CI/CD pipelines powered by AI
- Exposure to product-led engineering environments
Benefits
- Equipment provided
- Full back-office support — Legal, Accounting, HR Business Partner, and Delivery team
- Career and cultural mentoring — how to show up, stand out, and navigate US work culture
- Free English lessons with a native speaker
- Referral bonus — recommend Ubi to your tech friends and get paid for it
- 100% remote work
- Florianópolis HQ always open — the office is there whenever you want it
Company Overview