Senior Software Engineer
Sentinel LabsCzech RepublicPosted 6 March 2026
Tech Stack
Job Description
<div class="content-intro"><h3>About Us</h3>
<p>At SentinelOne, we’re redefining cybersecurity by pushing the limits of what’s possible—leveraging AI-powered, data-driven innovation to stay ahead of tomorrow’s threats.</p>
<p>From building industry-leading products to cultivating an exceptional company culture, our core values guide everything we do. We’re looking for passionate individuals who thrive in collaborative environments and are eager to drive impact. If you’re excited about solving complex challenges in bold, innovative ways, we’d love to connect with you.</p></div><h3><strong>What are we looking for?</strong></h3>
<p>As part of SentinelOne’s main product line - <a href="https://www.sentinelone.com/surfaces/endpoint/" target="_blank">Endpoint Protection</a>, we secure tens of millions of devices across the globe of all kinds of OS (Windows, Linux, macOS), and process billions of security events every day. Our team provides <strong>crucial SaaS platform capabilities, such as</strong>:</p>
<ul>
<li>Building services (e.g. alert pipelines, gateways, detection data ingestion, caching layers) that remotely support and enhance the agent detection mechanisms, while also providing foundational infrastructure used by internal detection/malware research and MDR teams (providing security operations services for our clients) to develop and deliver advanced detection capabilities at scale.</li>
<li>Developing advanced alert reporting and visibility features that give customers timely, actionable insights into detection activity, alert life cycles and threat patterns, helping them quickly understand, prioritize and respond to events surfaced by the agents.</li>
</ul>
<p>You'll be joining a team with a significant impact on how our customers' environments (incl. 4 or Fortune10 companies, hundreds of Global2000 or governments) are protected, how they interact with agents, gain visibility into their security posture, and understand the risks and act upon them. As a core team at S1, we're heavily involved in every end-to-end effort, features development and are key contributors to the design and build of the right architecture of S1's cybersecurity solution to match the scale hyper-growth of our business.</p>
<h3><strong>What will you do?</strong></h3>
<ul>
<li>Design, develop, implement, test, document, and operate large-scale, high-volume and low latency applications, built to handle several millions of events per second.</li>
<li>Translate business and functional requirements into robust, scalable, operable solutions that work well within the overall data architecture.</li>
<li>Participate and collaborate with cross functional teams in the organization to understand the business requirements and to deliver solutions that can scale.</li>
<li>Maintain application stability and data integrity by monitoring key metrics and improving codebase accordingly.</li>
<li>Understand maintain existing codebase by regular re-factoring and applying requested fixes and features.</li>
<li>Learn new technologies that can solve our huge volume of data and the challenges it poses.</li>
</ul>
<p><strong>Your Toolkit:</strong></p>
<ul>
<li>Our new components are primarily developed in Go and Java, and we use Python in our current backend environment.</li>
<li>Communication between microservices is facilitated using gRPC, REST, GraphQL APIs, and Kafka, depending on specific requirements.</li>
<li>We use Redis, PostgreSQL, Cassandra, ClickHouse and have our columnar time-series database for efficient event storage and retrieval at scale.</li>
<li>Our services are deployed across multiple AWS/GCP regions with Kubernetes; among other tools, you'd also use Docker, GitHub and ArgoCD.</li>
<li>To enable you in your work, we provide company access to various modern AI-powered tools for both RD and non-RD tasks.</li>
</ul>
<h3><strong>What skills and knowledge should you need to bring?</strong></h3>
<ul>
<li>Multiple years of professional backend development exp ... (truncated, view full listing at source)
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