proSapient Tech Stack

Expert network platform with AI-powered knowledge discovery and research matching

Information Services London, England 201–500 employees Founded 2017 Privately Held

proSapient operates an expert network connecting professionals with consulting and private equity firms for on-demand research calls, surveys, and long-term engagements. The tech stack reveals a data-intensive operation: GCP + BigQuery + Kafka + Elasticsearch + Python/Elixir microservices, with OpenAI and Gemini embedded for AI-powered matching and retrieval. Active projects center on knowledge graphs, data extraction pipelines, and search architecture — indicating the platform is shifting from transaction facilitation toward intelligent knowledge discovery and surfacing insights across a growing expert database.

Tech Stack 24 technologies

Core StackOpenAI BigQuery Python Elixir PostgreSQL Kafka Elasticsearch FastAPI Django pandas RabbitMQ AWS Kubernetes Terraform GitLab Datadog GCP Gemini Phoenix Absinthe Oban LangSmith PromptLayer spaCy

What proSapient Is Building

◆Challenges

Scaling data extraction pipelines
Integrating third-party data
Ensuring data privacy compliance
High-volume expert sourcing
Client knowledge discovery
Surface existing knowledge
Scaling search infrastructure
Cost efficient cloud infrastructure
Scaling client services operations
High-volume workflow

▲Active Projects

Scalable data extraction and enrichment pipelines
Knowledge graph product strategy
Third-party data provider integration
Expert sourcing for niche requests
Cross-selling surveys
Search architecture strategy
Knowledge graph & intelligent retrieval
Data & cloud infrastructure (gcp-first)

Hiring Activity

Accelerating15 roles · 15 in 30d

Department

Support

Sales

Engineering

Product

Seniority

Junior

Lead

Manager

Senior

Notable leadership hires: Project Lead

Company intelligence

Find more companies like proSapient by tech stack, pain points and active projects

Get started free

About proSapient

proSapient is a UK-based expert network and primary research platform founded in 2017, connecting institutional clients (consultancies, private equity firms) with subject-matter experts via short calls, surveys, and structured engagements. The platform operates across four locations: London, Lisbon, Raleigh, and Toronto, with over 300 employees. Recent hiring is support-heavy (onboarding, client services scaling), with smaller engineering and product teams focused on cloud infrastructure and product strategy. The company is ISO 27001 accredited and emphasizes data privacy and compliance as core operational constraints.

HeadquartersLondon, England

Company Size201–500 employees

Founded2017

Hiring MarketsUnited Kingdom, Canada, Portugal

Frequently Asked Questions

What tech stack does proSapient use?

proSapient runs on GCP, PostgreSQL, Kafka, and Elasticsearch, with Python and Elixir for backend services. OpenAI and Google Gemini power AI-driven matching and retrieval; LangSmith and PromptLayer manage prompt workflows. Infrastructure is Kubernetes + Terraform on AWS and GCP.

What is proSapient working on?

Core projects include scalable data extraction and enrichment pipelines, knowledge graph product development, third-party data integration, search architecture, and intelligent retrieval systems. Infrastructure priorities center on GCP-first cloud optimization and cost efficiency.

Similar Companies in Information Services

Other companies in the same industry, closest in size

How this profile is built

proSapient's technology stack, projects, and hiring signals are inferred from public hiring and company data — career pages, public listings, and company web presence — then clustered and de-duplicated. Figures are estimates that refresh over time. Read our full methodology →

This is not an official vendor or customer list. It is a technology-adoption signal inferred from public data, intended for B2B research.