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Mindroiu Serban-Alexandru PFA

AI Engineer

Mindroiu Serban-Alexandru PFA
Brazil · Full-time · Mid-Senior

About The Role

We are looking for a Senior AI Engineer to design, build, and scale AI systems powering next-generation healthcare products. You will work on real-time inference, AI agents, and large-scale data pipelines that directly impact clinical workflows.

This role sits at the intersection of backend engineering and applied AI, with strong ownership across the full lifecycle of AI systems—from experimentation to production at scale.

Key Responsibilities AI Systems & Microservices

  • Design and build Python microservices (FastAPI) for:
    • Real-time inference
    • Structured data processing
  • Ensure systems scale reliably to millions of users
LLM & Agent Architecture

  • Build and orchestrate:
    • LLM pipelines
    • AI agents and multi-step workflows
  • Use tools like LangChain, LangGraph, or custom frameworks
End-to-End Ownership

  • Own AI systems from:
    • Design → Development → Production
  • Handle:
    • Monitoring & observability
    • Cost optimization
    • Failure modes and reliability
Data Pipelines & Evaluation

  • Develop pipelines for:
    • Data ingestion
    • Processing
    • Evaluation
  • Build dashboards to monitor and improve model performance
Product Integration

  • Integrate AI models into core healthcare products
  • Improve automation, accuracy, and user (doctor) experience

Cross-Functional Collaboration

  • Work closely with:
    • Engineers
    • Product managers
    • Clinical stakeholders
  • Translate ambiguous problems into scalable AI solutions
Technical Leadership

  • Set standards for:
    • AI system design
    • Evaluation methodologies
  • Raise the overall engineering bar
Required Skills

  • Strong experience with:
    • Python
    • FastAPI
  • Experience with AI frameworks:
    • LangChain / LangGraph / PydanticAI
  • Strong knowledge of:
    • LLM orchestration
    • AI agents
    • Pipeline design
  • Experience with:
    • Vector databases / graph databases
    • PostgreSQL / Firestore
  • Understanding of:
    • AI observability & monitoring
    • Data pipelines
Requirements

  • 5–8+ years of backend / AI engineering experience
  • Proven experience building AI applications in production
  • Strong experience with:
    • RAG (Retrieval-Augmented Generation)
    • Vector stores & knowledge graphs
  • Track record scaling systems to high user volumes
  • Fluent in English
  • Comfortable working in fast-moving, ambiguous environments
Nice to Have

  • Experience in healthcare or clinical products
  • Experience with real-time AI systems
  • Familiarity with cost optimization of LLM systems

Skills: design,databases,microservices,pipelines,data,optimization

Key Skills

Ranked by relevance

ai microservices fastapi python
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Posted
Mar 20, 2026
Type
Full-time
Level
Mid-Senior
Location
Brazil

Industries

Business Consulting Services

Categories

Engineering Information Technology

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