Staff Software Engineer

About Us:SentinelOne is defining the future of cybersecurity through our XDR platform that automatically prevents, detects, and responds to threats in real-time. Singularity XDR ingests data and leverages our patented AI models to deliver autonomous protection. With SentinelOne, organizations gain full transparency into everything happening across the network at machine speed – to defeat every attack, at every stage of the threat lifecycle.We are a values-driven team where names are known, results are rewarded, and friendships are formed. Trust, accountability, relentlessness, ingenuity, and OneSentinel define the pillars of our collaborative and unified global culture. We're looking for people that will drive team success and collaboration across SentinelOne. If you're enthusiastic about innovative approaches to problem-solving, we would love to speak with you about joining our teamWhat are we looking for?We're continuously expanding the capabilities of SentinelOne, actively listening to customers and responding to their needs. We're growing our R&D and our main product line, Endpoint Security, serving for protection of various devices across all kinds of OS (Windows, Linux, macOS), and looking for a new Staff Software Engineer, to lead and develop the SaaS platform part serving this product line.Your areas of focus would be primarily (but not limited to) developing crucial SaaS platform services.You'll be also tasked with improving the scalability of our services, improving their performance and ensuring high-availability.You will be a stakeholder in the architecture, design, and implementation of a multidisciplinary cloud-native cybersecurity software platform that serves thousands of users from security teams at enterprise and government customers across the globe and protects tens of millions of endpoints and billions of events every day.The software engineers on our team are independent. They lead the features end-to-end, come up with their own improvements in infrastructure and performance components, and have the space to promote their ideas, design, and implement them. They own very important flows at S1 and deal with extraordinary performance and optimization challenges, given the scale of our cybersecurity services.Your main tools: Golang (we're using for new development) and Python (Flask, SQLAlchemy, Marshmallow); AWS&gcp; PostgreSQL, Redis, Kafka; Kubernetes, Docker; GitHub etc.What skills and knowledge should you need to bring?5+ years of professional backend development experience with Golang (Go) and/or PythonAbility to quickly dive into new products and understand their inner workingsSelf-driven individualExperience with large-scale high-load distributed systems & performanceExcellent communication skills - you will be regularly in touch with Product, Technical Account Managers (who provide feedback from clients) and other cross-functional teamsIt'd be great if you have:Recent professional and production experience working in Golang (Go)Experience with Docker, Helm, and KubernetesExperience with Kafka, PostgreSQL, MongoDB, RedisExperience with AWS, GCP, and/or other cloud platformsExperience in an enterprise SaaS company or cybersecurity SaaS companyWhy Us?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:Stock & Bonuses: Grant of Restricted Stock Units with a 4-year vesting plan, annual performance-based bonuses, and an employee stock purchase plan.Time Off & 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.Health & Insurance: Private medical care (for you and +1), premium life insurance, pension contribution, and a Global Employee Assistance Program.Work Perks: Monthly meal and well-being allowance, high-end MacBook/Windows laptop, work-from-home support, and in-office refreshments.Growth & Community: LinkedIn Learning, internal mentoring, educational support, generous referral bonuses, and optional company events (sports, BBQs, charity).Be part of an inclusive, innovative workplace that values belonging, flexibility, and growth