Software Engineer, Knowledge Systems

About this role

Join Exa's Knowledge Systems team to build infrastructure that extracts, connects, and reasons over web-scale information to power next-generation AI search. You'll develop distributed backend systems and data pipelines that enable AI agents to answer factual questions with unprecedented accuracy across billions of facts.

What you'll do

• Design and maintain distributed backend systems processing petabytes of documents and unstructured data
• Build data pipelines for extracting and connecting knowledge from web-scale sources
• Develop systems for entity resolution, data quality validation, and truth discovery
• Optimize systems for correctness, reliability, and performance at massive scale
• Create query languages and retrieval mechanisms for reasoning over billions of facts
• Work on graph traversal and knowledge representation systems

What they're looking for

• Distributed backend systems design and maintenance
• Large-scale data pipeline engineering
• Data quality and reliability optimization
• Graph traversal and entity resolution
• Machine learning systems infrastructure
• Knowledge representation and reasoning
• Database and vector search systems
• Python or similar systems programming language

Benefits

• Premium healthcare coverage (medical, dental, vision)
• Fertility benefits
• 16 weeks fully paid parental leave
• Monthly wellness stipend
• Visa sponsorship available for international candidates
• In-person role in San Francisco