SentinelOne

Senior Staff Full Stack Engineer - UI Platform

Prague , Czechia

About Us

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.

What are we looking for?

We're seeking a Senior Staff Full Stack Engineer to drive technical excellence across UI Platform initiatives at SentinelOne. In this role, you'll architect and implement global services that unify functionality across our cybersecurity products, significantly improving developer productivity and application performance. You'll have the opportunity to shape the future of our frontend architecture while working with cutting-edge security products used by Fortune 500 companies. This position offers unique challenges at the intersection of developer experience, performance optimization, and enterprise-scale application architecture.

What will you do?

Platform Standardization: Collaborate with product teams to identify and extract common patterns into reusable platform solutions.
Modernize the Stack: Lead technical initiatives around monorepo management using NX, including CI pipeline optimization and improvement of developer tooling.
Solution Architecture: Transform product requirements into comprehensive solution specifications for both frontend components and backend services.
Hands-on Development: You’ll write high-quality, production-ready code.
Mentor and Lead: You’ll guide and mentor other engineers, contribute to their professional growth, share best practices and architectural insights, and foster a culture of engineering excellence.

Our stack: React, TypeScript, NX; Node.js, Java; Kubernetes, Docker, AWS, GCP, FedRAMP; GitHub Actions, ArgoCD; GitHub Enterprise; depending on requirements of the service for communication we use Kafka, REST API, GraphQL, gRPC etc.; Postgres

What skills and knowledge should you bring?

8+ years of experience in full-stack development with focus on frontend architecture and distributed systems
Deep expertise in mono-repo management using NX, including CI capabilities and tooling
Strong background in React, TypeScript, GraphQL/REST API and Node.js development at scale. Experience with Python or Java is a plus.
Strong foundation in frontend build tooling (Webpack/Vite) and performance optimization
Experience with microservices architecture, Docker, and Kubernetes
Track record of implementing FedRAMP-compliant solutions
Proven experience with cloud services (S3, CloudFront) and CI/CD pipelines (GitHub actions, Jenkins)
Ability to handle complex requirements and orchestrate various processes.

Why us?

You will be joining a cutting-edge company, where you will tackle extraordinary challenges and work with the very best in the industry.

Flexible working hours, In Prague & nearby we're working in a hybrid model with offices in Karlin (brand new Missouri Park), remotely in the rest of CZ or SK, with optional Brno offices (Clubco Vlněna) for those who like to meet
Generous employee stock plan in the form of RSUs (restricted stock units) grant not options; 4 years vesting with 1-year cliff and then quarterly
Yearly bonus depending on the performance of the company, paid out in 2 installments
Flexible Time Off (on top of the standard 5 weeks of vacation)
Flexible Paid Sick Days
Fully Paid Short Term Sick/Short Term Nursing Leave
Global gender-neutral Parental Leave (16 weeks, beyond the leave provided by the local laws) & Grandparent Leave
Volunteering paid day off & Additional paid Company holidays off
Pension insurance contribution
Premium Life Insurance covered by S1
Monthly Meal & Wellbeing Allowance
Private medical care membership for you and your +1
Global Employee Assistance Program (confidential counseling related to both personal and work life matters), Wellness Coach:Mind Body Sleep app company access (sessions, audiobooks, classes, private coaching etc.)
High-end MacBook or Windows laptop, Home-office-setup gear & on top of that additional WFH Allowance
LinkedIn Learning platform for Hard/Soft skills Training, internal mentoring 'MentorOne' & Support for your further educational activities/trainings
Above-standard referral bonus
On top of RSUs, you can benefit also from our attractive ESPP (employee stock purchase plan)
Refreshments and snacks at the offices
Optional company events for those who like to meet outside of work too (sport, BBQ, charity etc.)

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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