Yahoo Tech Stack

Consumer media platform serving hundreds of millions with mail, news, and advertising

Software Development New York, NY 5,001–10,000 employees Privately Held

Yahoo operates a mature consumer platform handling billions of inbound connections and petabytes of stored data across mail, news, and advertising products. The tech stack reflects a mid-modernization state: heavy TypeScript/JavaScript frontend (React, Angular, Node.js), polyglot backend (Python, Go, Java, Scala), cloud infrastructure split between AWS and GCP, and streaming/ML pipelines built on Kafka, Flink, Dataflow, TensorFlow, and PyTorch. Active adoption of GitHub Copilot and Cursor signals developer tooling investment.

Tech Stack 167 technologies

Core StackTypeScript JavaScript Node.js AWS Python Go Java Kubernetes React Angular Apache Flink Apache Kafka Terraform TensorFlow PyTorch BigQuery Scala Databricks Jira Confluence HTML CSS SCSS GCP Google Cloud Dataflow Google Cloud Pub/Sub JAX Jax Google Workspace macOS+134 more

AdoptingGitHub Copilot Cursor Jira Terraform

What Yahoo Is Building

◆Challenges

Billions inbound connections
Efficient storage of petabytes
Manual workflow inefficiencies
Moving to native public cloud architecture
Expanding infrastructure
Modernizing tech stack on public cloud
Migrating mail infrastructure to cloud
Integrating new technology
Reducing manual overhead
Privacy regulation compliance

▲Active Projects

Ai/ml personalization platform
Full-stack ranking and recommendation system for yahoo! news
Backend infrastructure services
Mail infrastructure migration to gcp
Mail intelligence ai/ml platform
Dynamic design system evolution
New react native app features
Secure development initiatives
Build mmm models
Mail infrastructure on public cloud

Hiring Activity

Steady170 roles · 55 in 30d

Department

Engineering

Product

Sales

Marketing

Data

Design

Security

Seniority

Senior

Principal

Mid

Director

Lead

Manager

Intern

Staff

Notable leadership hires: Sales Director, Business Development Director, Editor in Chief, Account Lead, Creative Director

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About Yahoo

Yahoo operates a portfolio of consumer internet products including mail, news, and digital advertising, serving hundreds of millions of users globally. The company maintains infrastructure at significant scale: billions of inbound connections daily, petabytes of stored data, and complex ranking and recommendation systems for content delivery. Engineering efforts center on cloud migration (GCP for mail infrastructure), AI/ML-driven personalization, and modernizing internal tooling. The organization spans eight countries (US, Taiwan, Canada, Ireland, India, Australia, Japan, Israel) with 5,001–10,000 employees headquartered in New York.

HeadquartersNew York, NY

Company Size5,001–10,000 employees

Hiring MarketsUnited States, Taiwan, Canada, Ireland, India, Australia, Japan, Israel

Frequently Asked Questions

What tech stack does Yahoo use?

Frontend: TypeScript, JavaScript, React, Angular, Node.js. Backend: Python, Go, Java, Scala. Infrastructure: AWS, GCP, Kubernetes, Terraform. Data: Kafka, Flink, Google Cloud Dataflow, Pub/Sub, BigQuery, Databricks. ML: TensorFlow, PyTorch, JAX.

What countries is Yahoo hiring in?

United States, Taiwan, Canada, Ireland, India, Australia, Japan, and Israel.