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Arista Networks · Madrid, MD, Spain

# Back End Software Engineer - C++ - Spain

Madrid, MD, Spain Full-time Software Engineering 

Listed on Arista Networks’s official careers site. Posted October 14, 2026. Check that it is still open and apply there.
[Apply on Arista Networks’s careers site →](https://jobs.smartrecruiters.com/AristaNetworks/744000155490759-back-end-software-engineer-c-spain)

[OpenNash Jobs](https://jobs.opennash.com/) / [Arista Networks](https://jobs.opennash.com/companies/arista-networks/) / Back End Software Engineer - C++ - Spain

## Job description

Who You'll Work With The Routing team who work on the core logic of the network that decides on how packets traverse the network in the most optimal and resilient manner. CloudVision is Arista’s enterprise network management and streaming telemetry SaaS offering, serving the world’s largest Financials, Media and Entertainment, Health Care, and Cloud companies. As we continue to scale the service and expand into new markets, we’re looking to grow the team with Software Engineers in our Dublin office.

### What You'll Do

CloudVision’s core infrastructure is a scale-out distributed system providing real-time and historical access to the full network state, along with frameworks for building advanced analytics. It’s written in Go and leverages open source technologies like Hbase, ClickHouse, ElasticSearch, Kafka, Kubernetes, Ambassador and Zookeeper under the covers. We’re constantly investing in scaling out the platform and building out richer analytics capabilities in the infrastructure.

On top of this core platform we’re building device management and network analytics applications to fully automate today’s enterprise network, from CI/CD pipelines for network automation, to advanced analytics and remediation for network assurance. As a backend software engineer at Arista, you own your project end to end. You and your project team will work with product management and customers to define the requirements and design the architecture.

You’ll build the backend, write automated tests, and get it deployed into production via our CD pipeline. #LI-EO1

## Qualifications

BS/MS/PhD in Computer Science or a relevant experience. 5+ years experience in one or more of the following languages; Go, C, C++. Experience with network monitoring, network protocols, distributed systems, machine learning or data analytics is a plus.

## At a glance
- Posted by the employer: Oct 14, 2026
- First seen by OpenNash: Jul 10, 2026
- Last checked: Oct 17, 2026
- Listed for: 99 days
- Location: Madrid, MD, Spain
- Employment type: Full-time[Apply on Arista Networks’s careers site →](https://jobs.smartrecruiters.com/AristaNetworks/744000155490759-back-end-software-engineer-c-spain)

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