Senior Frontend Engineer (React, TS) - new Data Security product

What are we looking for?

SentinelOne is building a cutting-edge Data Security Posture Management (DSPM) product from the ground up (more about the concept here) as part of our industry-leading cloud security offering, and we need a talented Frontend Engineer to craft an intuitive, scalable, and high-performance interface that security teams will love. This is your opportunity to own the frontend architecture, design, and implementation of a security SaaS product from day one. Imagine the agility of a startup combined with the impact of a global cybersecurity leader.

What will you do?

• 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

What knowledge and skills should you bring?

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

Why 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!