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Search & AI Retrieval Lead

1 month, 1 week ago
United Kingdom
Full-time
Senior
AI Engineer
Software Development
GCP Python
Apply Now
proSapient

proSapient

proSapient is a research platform that offers a feature-packed and modern solution for primary research. With expert consultations, transcripts, powerful surveys, and pioneering AI technology, proSapient enables users to interact with industry experts,...

Professional Services
251-1K
Founded 2017
$13M raised
View All Jobs

Description

  • Define the future search stack and evaluate/select search technologies.
  • Design a scalable, cloud-native search architecture from first principles.
  • Develop indexing, data modeling, ranking, and relevance evaluation strategies.
  • Design and implement a knowledge graph architecture with entities, relationships, and linking/enrichment workflows.
  • Combine graph-based signals with semantic search and ranking models.
  • Build extraction pipelines using frontier models such as OpenAI and Gemini.
  • Develop recommendation systems using structured and unstructured data.
  • Architect retrieval pipelines on Google Cloud Platform.
  • Design data pipelines and feature stores using BigQuery or similar analytical systems.
  • Ensure retrieval systems are scalable, observable, cost-efficient, and production-ready.

Requirements

  • 5+ years building and scaling production search or retrieval systems.
  • Strong experience designing search architectures, not just operating them.
  • Experience evaluating and selecting search technologies.
  • Experience with semantic search and embeddings-based retrieval.
  • Experience building pipelines on top of frontier LLMs such as OpenAI or Gemini.
  • Strong Python skills.
  • Experience leading technical initiatives in mid-sized teams.
  • Experience working with cloud-native systems, preferably on GCP.

Benefits

  • Tenure gifts including vouchers, extra holiday, and sabbaticals for each year of employment.
  • Health insurance through Vitality.
  • Employee Assistance Programme with personalized health and wellbeing support.
  • Enhanced maternity and paternity pay.
  • 25 days annual leave plus bank holidays, including a week-long Christmas closure.
  • MyMindPal app for mental fitness and stress support.
  • Regular corporate events, including quarterly gatherings and annual winter and summer parties.
  • Inclusive workplace with encouragement to apply even if you do not meet every requirement.

Interested in this position?

Apply directly on the company website

Apply Now

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