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Senior Software Engineer (Platform Infrastructure)

RingCentral

valencia, comunidad valenciana, Spain Full-time June 02, 2026
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Vacancy Description

We are looking for an experienced Java Software Engineer to join our Platform team and help develop an award-winning REST API for our Unified Communications service. In the Platform team, we build high-load infrastructure subsystems that address cross-cutting concerns in a geo-distributed environment, including API and WebSocket Gateways, distributed caches, and service discovery. You will have the chance to design and develop highly available, globally distributed systems that maintain 99.999% availability, process more than 100,000 requests per second, handle more than a million concurrent WebSocket connections, and consistently meet millisecond-level latency targets.

Technologies we work with

  • Java
  • Netty
  • Redis
  • Kafka
  • Kubernetes
  • Docker
  • Oracle Coherence

Responsibilities

  • Drive implementation and support of highly available backend infrastructure and services, collaborating closely...

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