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Senior Software Engineer, Backend (Comms Core)

Permanentremote5+ yrs📍 Remote Spain, 🇪🇸 Spain🗣 English

Senior backend engineer for distributed communications platform at scale.

Build and operate highly available messaging infrastructure serving billions of customer communications across multi-region, multi-tenant systems. You'll design resilient APIs, vendor integrations, and orchestration services while collaborating across product, security, and engineering teams. Requires 5+ years backend experience, expertise in distributed systems, and proficiency with cloud and database technologies. Includes on-call rotation responsibilities.

Tech stack
PythonKotlinAWSMySQLDynamoDBKubernetes
Rate
Not stated by the agency
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Found at a specialist agency · listed 20 October 2026 · InsideJobs links you to the original posting.