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[Remote] Senior Backend Engineer, Search

Remote · Spain Full-time

Note: The job is a remote job and is open to candidates in USA. ClickUp is an AI-native company building the future of work with a unified workspace for tasks, docs, chat, and calendar. They are seeking a Senior Search Engineer to optimize and enhance their search functionality, which is critical for their platform and AI initiatives.

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 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
  • Strong expertise in search technologies, particularly OpenSearch / ElasticSearch
  • Experience measuring and optimizing search quality
  • Experience with high-volume, distributed data processing systems
  • Proven ability to optimize query parsing, indexing, and relevance tuning for search systems
  • Strong analytical and problem-solving skills
  • Excellent communication skills and ability to collaborate effectively across teams
  • 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
  • Knowledge of information retrieval concepts and search evaluation metrics

Company Overview

  • ClickUp is a cloud-based productivity and project management software company that provides an all-in-one platforms for task management. It was founded in 2017, and is headquartered in San Diego, California, USA, with a workforce of 1001-5000 employees. Its website is https://clickup.com.
  • Company H1B Sponsorship

  • ClickUp has a track record of offering H1B sponsorships, with 6 in 2026, 7 in 2025, 10 in 2024, 11 in 2023, 27 in 2022, 6 in 2021. Please note that this does not guarantee sponsorship for this specific role.
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