Mirrai Careers

Senior Software Engineer - AI Platform

SentinelOne

Czech Republic Posted 2w ago
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OUR PURPOSE At SentinelOne, we are driven by a clear purpose: to give the advantage to those who secure our future. As AI reshapes how organizations build, operate, and innovate, the responsibility to protect them becomes more critical than ever. When you join SentinelOne, your work helps protect global enterprises, critical infrastructure, and the technologies shaping tomorrow. If you are motivated by meaningful challenges and want your impact to be real, measurable, and global, you will find purpose here. ABOUT US SentinelOne is a company at the intersection of AI and security, pioneering a new operating model for cybersecurity. Our AI-native platform unifies protection across endpoint, cloud, identity, data, and AI systems to deliver autonomous detection and response with clarity and speed. By combining real-time analytics, intelligent automation, and a unified data foundation, we reduce noise, simplify complexity, and empower security teams to focus on what truly matters. Our teams are builders, problem-solvers, and innovators committed to shaping the future of security. If you are excited to solve hard problems alongside talented, mission-driven people, we invite you to help us build a safer future for humanity. WHAT ARE WE LOOKING FOR? We’re looking for people who are relentlessly curious and committed to continuous learning. AI is reshaping every function across our business, and we enable every team member, regardless of role or level, to build fluency in AI tools and concepts. Those who thrive here actively seek out new solutions, experiment thoughtfully, and apply what they learn to drive better, faster, smarter outcomes. As a Senior Software Engineer - AI Platform, you will design, build, and operate the shared services, including agent and MCP infrastructure, evaluation pipelines, and AI observability, that power every AI-powered feature at SentinelOne. You will join at the ground floor of this new AI Platform team, whose mission is to accelerate AI feature delivery across the company while ensuring every AI feature meets our security, cost, and quality standards, working at the intersection of large-scale backend engineering and the fastest-moving area of the industry. Your code will directly shape how AI is built at a leading cybersecurity company. WHAT WILL YOU DO? Primary responsibilities include: * Design, build, and operate services of the AI Platform, such as evaluation pipelines, agent and MCP infrastructure, and observability tooling. * Lead small-to-medium features from technical design through completion, working independently within a clear roadmap. * Ensure the platform is reliable at scale, including testing, monitoring, on-call participation, and postmortems with root cause analysis. * Collaborate with product and feature teams adopting the platform, at times building customer-facing AI features alongside them, and turn their needs and pain points into platform improvements. * Share knowledge across the team through code reviews, documentation, and mentoring less experienced colleagues. WHAT SKILLS AND KNOWLEDGE WILL YOU BRING? Ideal candidates will have: * 5 or more years of experience building backend services and distributed systems running in production. * Strong coding skills in a mainstream backend language, such as Python or Java, and working experience with Kubernetes and cloud infrastructure. * Experience building with LLMs, including model API integration, retrieval, agents, or evaluation tooling; production experience is a strong plus, and demonstrated personal projects also count. * Operational maturity, having owned services in production, including monitoring, debugging live issues, and incident response. * Experience shipping customer-facing product features is preferred. * Experience in cybersecurity or another regulated or high-trust domain is preferred. WHY SENTINELONE? AI is redefining how the world operates and rewriting the rules of security in real time, and SentinelOne was built for this moment. From day one, we architected an AI-native platform designed to operate at machine speed, not as an add-on to legacy systems but as the foundation itself. If you want to build where innovation and impact move together, this is that place. We invest in our Sentinels with comprehensive, competitive benefits designed to support you and your family: Equity & Rewards * Restricted Stock Units (RSUs) * Employee Stock Purchase Plan (ESPP) * Performance-based bonus Time Off & Wellbeing * Flexible time off, on top of the standard 5 weeks PTO * Paid company wellness days and fully paid short-term sick/nursing leave * Gender-neutral parental leave Insurance & Financial Security * Private medical care benefit * Life and disability insurance * Pension Insurance contribution * Global business travel medical insurance * Employee Assistance Program (EAP) Work Perks & Flexibility * Global home office allowance * Meal allowance * Hybrid work in Prague (Karlin), Brno (Clubco) or remote in CZ/SK. Only Prague-based employees are required to work from the office at least 2 days/week. Wellness & Lifestyle * Wellbeing allowance * MultiSport benefit program * Wellness Coach app 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.

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