Cisco

Software Engineer, Browser Synthetics - ThousandEyes

In short

Senior software engineer role on the Browser Synthetics team at Cisco ThousandEyes, building secure, scalable systems for running browser-based synthetic tests across a global fleet of agents, including the ThousandEyes Recorder application. The company offers a Digital Experience Assurance platform integrated across Cisco's networking, security, and observability portfolios. Requires professional Java or Go experience, API design in distributed architectures, Git/CI/CD workflows, and deep knowledge of Chromium orchestration via Chrome DevTools Protocol. Hybrid role based in Kraków, Poland.

About the Role
Cisco ThousandEyes is a Digital Experience Assurance platform that empowers organizations to deliver flawless digital experiences across every network - even the ones they don't own. Powered by AI and an unmatched set of cloud, internet and enterprise network telemetry data, ThousandEyes enables IT teams to proactively detect, diagnose, and remediate issues - before they impact end-user experiences. ThousandEyes is deeply integrated across the entire Cisco technology portfolio and beyond, helping customers deploy at scale while also delivering AI-powered assurance insights within Cisco's leading Networking, Security, Collaboration, and Observability portfolios.
The Browser Synthetics Team builds the systems customers use to create and run browser-based synthetic tests. Customers write transaction scripts, which the platform executes across a fleet of ThousandEyes agents. The ThousandEyes Recorder is a standalone application that helps customers create these tests locally.
Responsibilities
As a software engineer on this team, you will build secure, scalable systems for running synthetic tests across a global fleet of ThousandEyes agents. You will help design and improve the services that schedule and execute customer-authored transaction scripts, as well as the ThousandEyes Recorder application customers use to create tests locally. Your work will help enterprise customers assess the performance and reliability of their digital experiences.
Requirements
•Professional software development experience using Java or Go.
•Experience designing and implementing APIs in distributed software architectures.
•Experience with Git, automated testing, and continuous integration and delivery workflows.
•Bachelor's degree in computer science, Software Engineering, or a related field, or equivalent practical experience.
•Deep knowledge of Chromium orchestration through the Chrome DevTools Protocol (CDP).
•Familiarity with container engines such as runc, crun, or podman, and programmatic management of container lifecycles.
•Familiarity with AI-assisted development tools such as Codex or Claude.
•Strong problem-solving and communication skills, with the ability to collaborate effectively on a cross-functional team.
About Cisco
At Cisco, we're revolutionizing how data and infrastructure connect and protect organizations in the AI era – and beyond. We've been innovating fearlessly for 40 years to create solutions that power how humans and technology work together across the physical and digital worlds. These solutions provide customers with unparalleled security, visibility, and insights across the entire digital footprint.

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