[Remote] Senior Backend Engineer, Search

Note: The job is a remote job and is open to candidates in USA. ClickUp is seeking a Senior Search Engineer to design, optimize, and scale search infrastructure built on Postgres and OpenSearch. The role focuses on real-time indexing and search serving, improving relevance and performance, and supporting AI-powered search capabilities.

Responsibilities

• Design and implement robust search solutions that scale with our rapidly growing user base
• Improve search relevance, accuracy, and speed to deliver the most relevant results to users at blazing fast speeds
• Improve our real-time indexing pipelines to ensure search results remain up-to-date
• Create measurement frameworks to evaluate and improve search quality
• Build and enhance vector search capabilities to power next-generation search experiences
• Collaborate with AI, backend, and product teams to integrate search into new features
• Troubleshoot complex search-related issues at scale
• Design and implement robust search solutions that scale with our rapidly growing user base
• Improve search relevance, accuracy, and speed to deliver the most relevant results to users at blazing fast speeds
• Improve out real-time indexing pipelines to ensure search results remain up-to-date
• Create measurement frameworks to evaluate and improve search quality
• Build and enhance vector search capabilities to power next-generation search experiences
• Collaborate with AI, backend, and product teams to integrate search into new features
• Troubleshoot complex search-related issues at scale

Skills

• • Bachelor's degree in Computer Science or related field
• • 5+ years of experience as a search engineer or in a directly related role
• • Experience with high-scale, real-time data ingestion and search serving in a backend services context
• • Proven ability to optimize query parsing, indexing, and relevance tuning for search systems
• • Experience measuring and optimizing search quality
• • Hands-on production experience with OpenSearch or ElasticSearch (strongly preferred)
• Solr experience considered but less ideal given its age
• • Background in search ranking, relevance algorithms, and information retrieval
• • Hands-on experience with vector embeddings and semantic search implementations
• • Experience with TypeScript in backend systems
• • Track record of architecting search solutions that maintain performance under heavy load
• • Experience applying machine learning and NLP to enhance search relevance

Benefits

• Remote work

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