Senior Backend Engineer (Java/Python, AWS Serverless) - Messaging service

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Description

Required Skills — Remote Services (90% Backend | 10% Frontend) Strong Serverless/Event-Driven Architecture background Event-driven design patterns (pub/sub, choreography vs. orchestration, event sourcing, CQRS) AWS Lambda (function design, cold starts, concurrency, layers, versioning/aliases) AWS Step Functions (state machines, Express vs. Standard workflows, error handling/retries) Amazon EventBridge (event buses, rules, schema registry) and EventBridge Pipes (source-filter-enrich-target patte…

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