Senior Frontend Engineer

Summary

Join SentinelOne, a leading cybersecurity company, and become a Frontend Engineer for our innovative Data Security Posture Management (DSPM) product. You will design, build, and test the DSPM frontend using modern technologies like React and TypeScript. Collaborate with cross-functional teams to create a seamless user experience. This role requires 3+ years of frontend development experience with expertise in React and TypeScript. We offer a competitive benefits package including stock options, bonuses, flexible time off, private medical care, and professional development opportunities. Enjoy flexible hybrid work arrangements in Prague, Brno, or remotely across CZ/SK. Be part of an inclusive and innovative workplace that values growth and belonging.

Requirements

• 3+ years of hands-on frontend development experience
• Proven expertise in React and TypeScript
• Experience working with REST & GraphQL APIs
• Strong knowledge of building reusable UI components and scalable frontend architectures
• Solid understanding of CSS and frontend performance optimization
• Ability to tackle complex scenarios, problem-solve efficiently, and create intuitive user experiences
• Excellent communication and collaboration skills—you’ll be working across teams to bring ideas to life

Responsibilities

• Design, build, and test the DSPM frontend using modern technologies like React, TypeScript, and more
• Take full ownership of the feature development lifecycle, from concept to production
• Collaborate closely with backend engineers, UX designers, and product managers to create a seamless, intuitive user experience
• Conduct code and design reviews, providing constructive feedback to continuously improve quality
• Optimize performance, scalability, and security—our product handles large-scale security data and must be both fast and robust

Preferred Qualifications

• Deep knowledge of frontend performance optimization
• Previous experience building SaaS management consoles or security products

Benefits

• Grant of Restricted Stock Units with a 4-year vesting plan
• Annual performance-based bonuses
• An employee stock purchase plan
• 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
• Additional company holidays
• Private medical care (for you and +1)
• Premium life insurance
• Pension contribution
• A Global Employee Assistance Program
• Monthly meal and well-being allowance
• High-end MacBook/Windows laptop
• Work-from-home support
• In-office refreshments
• LinkedIn Learning
• Internal mentoring
• Educational support
• Generous referral bonuses
• Optional company events (sports, BBQs, charity)