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Sistema Fibra

PhD Research Fellow, Computer Science, Engineering, Applied Mathematics

Sistema Fibra

. Evaluate hybrid search and semantic retrieval strategies .

Posted 10/4/2026full-timeRemote • BrazilMid-LevelSenior💰 R$11,000 per monthWebsite

Core Competencies

Role fit
Core Competencies

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Demonstrates expertise in hybrid search strategies, semantic retrieval, and intelligent agent frameworks, with a strong foundation in LLMs, GraphRAG, and MCP. Proven ability to evaluate AI responses and contribute to innovative projects in technology and science.

Highest-signal resume keywords
PhD In Computer ScienceKnowledge Of LLMsKnowledge Of GraphRAGKnowledge Of AI AgentsKnowledge Of MCP

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
Hybrid Search StrategiesSemantic RetrievalResponse EvaluationGrounding MechanismsTraceability MechanismsIntelligent Agent FrameworksGenerative AI EvaluationExplainabilityResponsible AI
Industry Keywords
Enterprise EnvironmentsInnovation ProjectItaú Institute Of ScienceTechnology And InnovationInova Talentos

About the role

Key responsibilities & impact
  • Evaluate hybrid search and semantic retrieval strategies
  • Research applications of GraphRAG in enterprise environments
  • Develop an experimental semantic MCP prototype
  • Define mechanisms for grounding, traceability, and evaluation of intelligent agent responses
  • Contribute to an innovation project at the Itaú Institute of Science, Technology and Innovation in partnership with Inova Talentos

Requirements

What you’ll need
  • PhD in Computer Science, Engineering, Applied Mathematics, or related fields
  • Knowledge of LLMs
  • Knowledge of RAG
  • Knowledge of GraphRAG
  • Knowledge of AI Agents
  • Knowledge of MCP
  • Knowledge of response evaluation
  • Knowledge of grounding and AI safety
  • Availability to work 40 hours per week
  • Previous experience with GraphRAG is desirable
  • Knowledge of intelligent-agent frameworks, MCP, generative AI evaluation, explainability, and Responsible AI is desirable

Benefits

Comp & perks
  • Research Fellowship: BRL 11,000.00
  • Remote work
  • 40-hour workweek
  • 12-month term