Technical Stack

Airbyte Core Backend

• Java 21
• Kotlin for socket mode components
• Framework: Micronaut
• API: OAS3
• Databases: PostgreSQL
• Unit & E2E testing: JUnit 5
• Orchestration: Temporal
• Data serialization: Protocol Buffers for high-performance socket mode
• Inter-process communication: Unix domain sockets for direct source-to-destination data transfer

Connectors

Connectors can be written in any language. However the most common languages are:

• Python 3.9 or higher
• Java 21

Frontend

• Node.js
• TypeScript
• Web Framework/Library: React

Additional Tools

• CI/CD: GitHub Actions
• Containerization: Docker and Docker Compose
• Linter (Frontend): ESLint
• Formatter (Frontend & Backend): Prettier
• Formatter (Backend): Spotless