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Ruby Labs Tech Stack

Multi-product consumer platform across health, education, and entertainment

Technology, Information and Internet San Francisco, California 201–500 employees Founded 2018 Privately Held
rubylabs.com LinkedIn

Ruby Labs operates a portfolio of seven consumer products spanning health, education, and entertainment, with a tech stack centered on Node.js, Next.js, TypeScript, and LLM integrations (Claude, GPT-4o, LangChain). The hiring profile is heavily skewed toward marketing (126 roles) and data (47 roles) relative to engineering (29 roles), paired with active projects focused on billing optimization, conversion funnels, and attribution modeling — indicating a growth-stage company optimizing unit economics and customer acquisition efficiency across its product suite rather than building new platform infrastructure.

Tech Stack 107 technologies

Core StackNode.js Next.js TypeScript LangChain Tableau Google Analytics Mixpanel Looker Amplitude Python BigQuery Google Ads Apache Airflow dbt ClickHouse JavaScript React LlamaIndex Langfuse Claude 3.5 Sonnet GPT-4o RAGAS Snapchat Pinterest Growthbook Google Analytics 4 GCP Facebook Ads Manager Tinybird GrowthBook+70 more

What Ruby Labs Is Building

◆Challenges

  • Low conversion rates
  • Improving billing efficiency
  • Reducing financial risks
  • Reducing disputes
  • Centralizing ua operations
  • Reverse lookup product optimization
  • Optimizing reverse lookup funnels
  • Driving efficiencies across paid channels
  • Fragmented ua operations
  • Inefficient cac and roas

▲Active Projects

  • Analyze impact of marketing changes on billing outcomes
  • Billing dashboards data pipelines
  • Advanced analytics and attribution models
  • End-to-end optimization cycles
  • Continuous conversion growth roadmap
  • Scalable processes and sop development
  • Core billing metrics design
  • A/b testing of billing strategies
  • Conversion rate optimization cycles
  • Centralized ua department build

Hiring Activity

Accelerating240 roles · 140 in 30d

Department

Marketing
126
Data
47
Product
31
Engineering
29
Design
1

Seniority

Senior
109
Lead
57
Mid
37
Manager
18
Junior
12
Director
1
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About Ruby Labs

Ruby Labs develops consumer-facing applications in health, education, and entertainment, launched in 2018 from London as a private company now headquartered in San Francisco. The seven-product portfolio targets millions of end users globally. Current operational priorities center on billing systems, analytics pipelines, and conversion optimization — with active work on core metrics design, A/B testing frameworks, and attribution models. The company operates a distributed hiring footprint across North America, South America, Eastern Europe, and Central Asia, with hiring velocity accelerating across marketing, data, and product functions.

HeadquartersSan Francisco, California
Company Size201–500 employees
Founded2018
Hiring MarketsUnited States, North Macedonia, Bulgaria, Serbia, Romania, Cyprus, Moldova, Ukraine

Frequently Asked Questions

What tech stack does Ruby Labs use?

Node.js, Next.js, TypeScript, React, and Python for backend/frontend. For AI: LangChain, LlamaIndex, Claude 3.5 Sonnet, and GPT-4o. Data: BigQuery, dbt, ClickHouse, Tinybird, Apache Airflow. Analytics: Mixpanel, Amplitude, Looker, Tableau, Google Analytics.

Where does Ruby Labs hire globally?

United States, Brazil, and South Africa. Also Bulgaria, Romania, Serbia, North Macedonia, Ukraine, Poland, Hungary, and other Eastern European and Central Asian countries including Kazakhstan, Turkey, and Croatia.

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How this profile is built

Ruby Labs'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.