Websocket Engineer

Use when building Spring Boot 3.x applications, microservices, or reactive Java applications. Invoke for Spring Data JPA, Spring Security 6, WebFlux, Spring Cloud integration.

Use when defining SLIs/SLOs, managing error budgets, or building reliable systems at scale. Invoke for incident management, chaos engineering, toil reduction, capacity planning.

Use when building Apache Spark applications, distributed data processing pipelines, or optimizing big data workloads. Invoke for DataFrame API, Spark SQL, RDD operations, performance tuning, streaming analytics.

Implement reliable WebSocket connections with proper reconnection, heartbeats, and scaling.

React hooks for real-time data with SSE, WebSocket, and SWR integration. Covers connection management, reconnection logic, and optimistic updates. Use when building React apps with real-time features. Triggers on SSE hook, WebSocket hook, real-time React, useEventSource, live updates.

Horizontally-scalable WebSocket hub pattern with lazy Redis subscriptions, connection registry, and graceful shutdown. Use when building real-time WebSocket servers that scale across multiple instances. Triggers on WebSocket hub, WebSocket scaling, connection registry, Redis WebSocket, real-time gateway, horizontal scaling.