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Front-End Software Engineer - Ireland

AristaNetworks

Dublin, County Dublin, Ireland Hybrid permanent

Posted: February 26, 2026

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Quick Summary

Arista is a leading provider of innovative networking solutions, leveraging cutting-edge technologies to empower clients to thrive in a digitally connected world.

Job Description

Arista Networks is an industry leader in data-driven, client-to-cloud networking for large data center, campus and routing environments. What sets us apart is our relentless pursuit of innovation. We leverage the latest advancements in cloud computing, artificial intelligence, and software-defined networking to provide our clients with a competitive edge in an increasingly interconnected world. Our solutions are designed to not only meet the current demands of the digital landscape but to also anticipate and adapt to future challenges.

At Arista we value the diversity of thought and perspectives that each employee brings to the table. We  believe that fostering an inclusive environment, where individuals from various backgrounds and experiences feel welcome, is essential for driving creativity and innovation.

Our commitment to excellence has earned us several prestigious awards, such as Best Engineering Team, Best Company for Diversity, Compensation, and Work-Life Balance. At Arista, we take pride in our track record of success and strive to maintain the highest standards of quality and performance in everything we do.

Who You'll Work With 

Working on cloud based streaming telemetry services and applications; The Cloud Vision Portal is a web-based front-end application that abstracts the physical network to a broader, network-wide perspective. This consists of a front-end user interface for understanding the stored data from the real-time telemetry streamed from the network switches. It allows you to view events, inspect a device, or compare metrics across devices and much more is planned as it is a key part of Arista's Any Cloud Platform and also the Cognitive Campus initiative.

What You'll Do 

You will be part of a team building the user interface based on a streaming telemetry service for networking devices that send real-time updates to a cloud-based data ingestion infrastructure. You will actively participate in designing and implementing a top-quality data exploration and device management user interface, including visualization and correlation of events, network anomaly detection and configuration of networking devices using NodeJS, React and Redux as the pillars of the architecture with ES6 scripting and various tools including Webpack, Storybook,TypeScript and Less.

One of the many attractions of joining Arista is that from the top Arista is an engineering company. The founders and engineering managers are all engineers who understand good software engineering and the importance of doing things right.Arista hires directly into the broader team, regardless of geography.

Our engineers have full ownership of their projects. Our management structure is flat and lightweight.  Software engineering is run by software engineers who are in charge of delivering features from concept through to completion. We put a premium on building and using test automation tools.No part of the company is off-limits, meaning that our engineers have the chance to work on a variety of different areas.

 

#LI-EO1

• 5+ years of development experience with JavaScript, including experience with frameworks like Angular or React
• Familiarity with build and continuous integration using webpack and npm
• Ability to convert wireframes and mock-ups into high quality components
• Commitment to producing high quality, performant and reliable software
• An open mind to change with willingness and desire to improve
• Enjoyment of writing code and solving problems
• Ability to appreciate a culture of invention, quality, respect and fun
• Professional experience an advantage

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