Senior Staff Full Stack Software Engineer - UI Platform - SentinelOne

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Job Title

Senior Staff Full Stack Software Engineer - UI Platform

Job Location

Slovakia

Job Listing URL

https://www.sentinelone.com/jobs/6346799003?gh_jid=6346799003

Job Description

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, 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?

Salary from 6000 EUR/month.
Yearly % bonus depending on the performance of the company, paid out in 2 installments.
*The final base salary component can be increased accordingly to individual skills and experience of the selected candidate.

On top of that you may look forward to:

Flexible working hours & Full remote within Slovakia; optional membership in major co-working spaces; in Czechia we also have offices in Prague or Brno
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
Meal Allowance (maximum value of the employer’s contribution per day: €4.29)
Wellbeing Allowance (€120/month)
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
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
Yearly bonus depending on the performance of the company
Optional company events for those who like to meet outside of work too - mostly in Czechia expensed as business trip (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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