Skill Profile

Server-Sent Events & Streaming

SSE, HTTP/2 push, event stream, real-time feeds, streaming responses

API & Integration API Protocols

Roles

where this skill appears

Levels

structured growth path

Mandatory requirements

the other 7 optional

API & Integration

API Protocols

3/17/2026

Choose your current level and compare expectations. The items below show what to cover to advance to the next level.

What is Expected at Each Level

The table shows how skill depth grows from Junior to Principal. Click a row to see details.

Role	Required	Description
LLM Engineer		Understands the fundamentals of Server-Sent Events & Streaming. Applies basic practices in daily work. Follows recommendations from the team and documentation.
Technical Writer		Understands Server-Sent Events technology: unidirectional data stream from server to client. Knows the differences between SSE, WebSocket, and long polling. Can document SSE event format and fields (event, data, id, retry).

Role	Required	Description
LLM Engineer		Independently designs and implements Server-Sent Events and Streaming. Understands best practices and patterns. Writes API documentation and tests.
Technical Writer		Creates SSE API documentation: event catalog, connection management, error handling, reconnection strategy. Writes connection code examples in JavaScript, Python, curl. Documents SSE usage best practices.

Role	Required	Description
LLM Engineer	Required	Designs API architecture with Server-Sent Events and Streaming for production systems. Defines versioning, error handling, and pagination standards. Optimizes performance.
Technical Writer		Documents complex SSE patterns: event sourcing, load balancing SSE connections, scaling strategies. Creates interactive SSE documentation: live event preview, playground. Ensures streaming API documentation coverage.

Role	Required	Description
LLM Engineer	Required	Defines API strategy at product level. Establishes design standards. Conducts API design reviews. Coordinates cross-team API interaction.
Technical Writer		Defines streaming API documentation standards (SSE, WebSocket, gRPC streaming) for the organization. Ensures consistency in real-time communication documentation approaches across teams.

Role	Required	Description
LLM Engineer	Required	Defines organizational API strategy. Designs platform APIs. Establishes enterprise API governance and standards.
Technical Writer		Shapes real-time and event-driven architecture documentation strategy at the company level. Defines how streaming protocol documentation integrates with developer experience and API strategy.

Junior 2 requirements

LLM Engineer

Understands the fundamentals of Server-Sent Events & Streaming. Applies basic practices in daily work. Follows recommendations from the team and documentation.
Technical Writer

Understands Server-Sent Events technology: unidirectional data stream from server to client. Knows the differences between SSE, WebSocket, and long polling. Can document SSE event format and fields (event, data, id, retry).

Middle 2 requirements

LLM Engineer

Independently designs and implements Server-Sent Events and Streaming. Understands best practices and patterns. Writes API documentation and tests.
Technical Writer

Creates SSE API documentation: event catalog, connection management, error handling, reconnection strategy. Writes connection code examples in JavaScript, Python, curl. Documents SSE usage best practices.

Senior 2 requirements

LLM Engineer
Required

Designs API architecture with Server-Sent Events and Streaming for production systems. Defines versioning, error handling, and pagination standards. Optimizes performance.
Technical Writer

Documents complex SSE patterns: event sourcing, load balancing SSE connections, scaling strategies. Creates interactive SSE documentation: live event preview, playground. Ensures streaming API documentation coverage.

Lead / Staff 2 requirements

LLM Engineer
Required

Defines API strategy at product level. Establishes design standards. Conducts API design reviews. Coordinates cross-team API interaction.
Technical Writer

Defines streaming API documentation standards (SSE, WebSocket, gRPC streaming) for the organization. Ensures consistency in real-time communication documentation approaches across teams.

Principal 2 requirements

LLM Engineer
Required

Defines organizational API strategy. Designs platform APIs. Establishes enterprise API governance and standards.
Technical Writer

Shapes real-time and event-driven architecture documentation strategy at the company level. Defines how streaming protocol documentation integrates with developer experience and API strategy.

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