<div><h3>About Us</h3> 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. 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.</div><h3>What are we looking for?</h3> At SentinelOne, we’re transforming the developer platform to offer a unified developer experience. To help us achieve that, we’re seeking a Principal Software Engineer for a new key role that will drive this transformation and define the next generation of our platform. <ul> <li>This is a high-impact role, where you’ll undertake an ambitious initiative to design and implement secure, scalable, reliable Developer Platform APIs built using modern technologies and approaches. This Developer Platform exists on top of our Infrastructure Platform, and its APIs need to provide both a unified customer-friendly developer experience and internal infrastructure service protection.</li> <li>You’ll need strong experience with Developer Platform fundamentals, including designing and developing infrastructure platform services that enable scalability, efficiency, and ease of use for internal developers. You should also bring deep proficiency with CI/CD pipelines and tools at a large scale, as this role will shape how services are built, deployed, and managed across SentinelOne.</li> <li>Strong ownership – In this role, you will work with multiple engineering and PM leaders and teams across the SentinelOne engineering organization on this re-architecture. We value collaboration, innovation, creativity, and technical excellence in our area.</li> <li>You’ll deal with the scale of globally deployed platform services across 6 AWS/GCP regions that altogether process petabytes of data daily and hundreds of billions of events from tens of millions of endpoints we protect at our enterprise &amp; public sector clients across the globe, including 4 of the Fortune 10 and hundreds of Global 2000 companies.</li> </ul> If you are passionate about impactful, high-stakes projects, this is your opportunity to shine! <h3>What will you do?</h3> <ul> <li>Architect the Future: Dive deep into our current developer platform, identify pain points, and design innovative solutions to address them in an iterative way toward a shared vision. Lead the design and development of a new architecture that supports scalability, maintainability, and operational excellence.</li> <li>Modernize the Stack: Collaborate with teams to evaluate and implement the right tools, frameworks, and methodologies for building a robust, user-centric developer platform.</li> <li>Hands-on Development: Write high-quality, production-ready code.</li> <li>Mentor and Lead: Guide and mentor other engineers, contribute to their professional growth, share best practices and architectural insights, and foster a culture of engineering excellence. Your involvement increases the overall quality, whether you wrote it directly, reviewed it, or had a hand in designing it.</li> <li>Collaborate Across Teams and Orgs: Partner with engineering, product, design, quality, DevOps/Infra teams, and leadership to align on objectives, design, timelines, and execution strategies.</li> </ul> Our stack: Java, Go; Kubernetes, Docker, AWS, GCP, FedRAMP; GitHub Actions, ArgoCD; GitHub Enterprise; depending on the requirements of the service for communication, we use Kafka, REST API, GraphQL, gRPC, etc.; Postgres, MongoDB, Redis, ClickHouse; Prometheus/Thanos, Grafana <h3>What experience or knowledge should you bring?</h3> <ul> <li>Extensive software engineering experience, including proven expertise in architecting large-scale distributed systems and microservices architectures, with a focus on performance, scalability, and reliability.</li> <li>Expertise in Developer Platform fundamentals and infrastructure platform services design.</li> <li>Deep proficiency in CI/CD pipelines and tooling (e.g., GitHub Actions, ArgoCD, Jenkins) in large-scale environments.</li> <li>Proficiency in Java and/or Go; experience with Python is a plus.</li> <li>Extensive experience with cloud platforms (AWS and/or GCP) and Kubernetes.</li> <li>Excellent problem-solving skills.</li> <li>Strong ownership and accountability, with proven experience driving large, impactful projects.</li> <li>Strong communication skills and ability to articulate technical concepts and influence engineering direction across teams, departments, and stakeholders in multiple time zones.</li> </ul> <h3>Why Us?</h3> Join a cutting-edge company tackling extraordinary challenges alongside top industry talent. Enjoy flexible hybrid work in Prague (Karlin), Brno (Clubco), or remotely across CZ/SK. Competitive Benefits Package: <ul> <li>Stock &amp; Bonuses: Grant of Restricted Stock Units with a 4-year vesting plan, annual performance-based bonuses, and an employee stock purchase plan.</li> <li>Time Off &amp; Well-being: Flexible Time Off, on top of the standard 5 weeks vacation, flexible paid sick days, fully paid Short Term Sick/Nursing Leave, 16-week parental leave, grandparent leave, and additional company holidays.</li> <li>Health &amp; Insurance: Private medical care (for you and +1), premium life insurance, pension contribution, and a Global Employee Assistance Program.</li> <li>Work Perks: Monthly meal and well-being allowance, high-end MacBook/Windows laptop, work-from-home support, and in-office refreshments.</li> <li>Growth &amp; Community: LinkedIn Learning, internal mentoring, educational support, generous referral bonuses, and optional company events (sports, BBQs, charity).</li> </ul> Be part of an inclusive, innovative workplace that values belonging, flexibility, and growth!<div>SentinelOne is proud to be an Equal Employment Opportunity and Affirmative Action employer. We do not discriminate based upon race, religion, color, national origin, gender (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, gender expression, age, status as a protected veteran, status as an individual with a disability, or other applicable legally protected characteristics. SentinelOne participates in the E-Verify Program for all U.S. based roles. </div>

SentinelOne

Principal Software Engineer - Developer Platform, DevEx

SentinelOne

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