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AI Graph Query Optimization Developer

Altrix Systems

Remote · $100k – $130k / year · Freelance · Posted 5 months ago

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About the role

Our knowledge graph contains 14 million entities and 89 million edges. Complex queries that traverse 4+ hops — like "find all companies linked to this person through subsidiary chains and board memberships" — can take 30 seconds to execute. Legal due diligence analysts need answers in under 3 seconds, or they fall back to manual research. You'll optimize query performance through three approaches: learned query planning that predicts the most efficient traversal strategy, intelligent caching of frequently accessed subgraphs, and query approximation that returns 95% of results in 10% of the time by pruning low-probability paths. Each approach addresses a different class of slow queries. This is a 6-month freelance engagement. You'll work with our graph infrastructure engineer who maintains the database and our legal product team who defines which query patterns matter most for their workflow.

Fully remote.

Responsibilities

  • Build learned query planning for efficient graph traversal strategies
  • Design intelligent caching for frequently accessed subgraphs
  • Implement query approximation pruning low-probability traversal paths
  • Benchmark optimization impact across top 50 query patterns
  • Profile query execution to identify bottlenecks
  • Document optimization strategies for knowledge transfer

Requirements

  • 3+ years with graph databases or knowledge graph systems
  • Experience with query optimization and execution profiling
  • Strong Python and data structure skills
  • Understanding of graph traversal algorithms and complexity
  • Ability to balance exact results against performance constraints

Benefits

  • Fully remote freelance role
  • Competitive hourly rate
  • Work with one of the largest legal knowledge graphs
  • Flexible schedule
  • Potential for ongoing optimization engagement

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Categories

Data Science & Analytics AI & Machine Learning Engineers

Skills

python sql spark docker statistics

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Job Type

Freelance

Level

Mid-Level

Language

English

Salary Range

$100k – $130k / year

AI Expertise

Data Science & Analytics AI & Machine Learning Engineers

Skills

python sql spark docker statistics fastapi

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