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13 resultsObservability — Logs, Metrics, and Traces
Implementing the three pillars with OpenTelemetry and making them actionable.
REST API design principles we follow
Versioning, error formats, pagination, and auth patterns used across all Intersysop-built APIs.
WebSockets — Building Real-Time Features
Connection lifecycle, heartbeats, reconnection logic, and scaling with Redis pub/sub.
Schema Registry and Avro for Kafka Data Contracts
Why schema management matters for streaming pipelines and how to implement it.
gRPC Service Design — Protocol Buffers and Production Patterns
Proto file design, streaming, deadlines, interceptors, and error handling.
Fix a Corrupted Windows User Profile
Symptoms of a corrupt profile and how to migrate to a new one without data loss.
Async/Await Patterns and Common Pitfalls
Concurrency, parallelism, error handling, and avoiding common async bugs.
Monitoring and Alerting for Data Pipelines
What to monitor, SLIs/SLOs for data, and building effective alerting.
API Error Handling — Consistent Error Responses
Error format standards, HTTP status code usage, and client-friendly error design.
Background Job Queue Design
Idempotency, retries, dead letter queues, and job observability.
Serverless Architecture — When Functions Work and When They Don't
Cold starts, event-driven patterns, cost model, and the right use cases.
Microservices Communication — Sync vs Async Patterns
REST, gRPC, message queues, and choosing the right pattern for each interaction.
Message Queue Patterns — SQS, RabbitMQ, and Dead Letter Queues
Fan-out, work queues, priority queues, and poison message handling.