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Sistema Fibra

PhD Research Fellow – Computing, 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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Expertise in evaluating hybrid search and semantic retrieval strategies, with a strong focus on GraphRAG applications and intelligent agent frameworks. Proficient in developing prototypes for semantic MCP and ensuring responsible AI practices.

Highest-signal resume keywords
PhD In Computer ScienceKnowledge Of LLMsGraphRAG ExperienceIntelligent-Agent FrameworksAI Security

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
Semantic RetrievalGraphRAGMCP DevelopmentResponse EvaluationGrounding MechanismsAI AgentsGenerative AI EvaluationExplainabilityResponsible AI
Industry Keywords
Enterprise EnvironmentsInnovation ProjectItaú Institute Of ScienceInova 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 response evaluation for intelligent agents
  • Participate in 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 a related field
  • Knowledge of LLMs, RAG, GraphRAG, AI agents, MCP, response evaluation, grounding, and AI security
  • Familiarity with intelligent-agent frameworks, MCP, generative AI evaluation, explainability, and Responsible AI is desirable
  • Previous experience with GraphRAG is desirable
  • Availability to work 40 hours per week

Benefits

Comp & perks
  • Monthly stipend of BRL 11,000.00
  • Remote work
  • 40-hour workweek
  • 12-month term