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Staff Software Engineer (Java) - EventDB, Scalable Columnar Database

SentinelOne
Czechiafull_timeVerifiedPosted 8 Sept 2025

About the role

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 excited to expand our team with passionate and skilled backend engineers, who are interested in solving non-trivial scale and data problems with a unique blending of cloud, distributed systems, and software optimization techniques and services. The EventDB team, as part of the Singularity Data Lake product line, is responsible for SentinelOne's highly scalable columnar database which ingests Petabytes of data & trillions of events per day. Born from our acquisition of Scalyr/DataSet in 2021, EventDB is not just a regular database; it is engineered to efficiently scale to exabytes, serving as a critical component in our security and data infrastructure.

We're seeking a seasoned colleague, able to lead features/epics, inspire others as a Staff Software engineer, and lead technically. You will interact with engineers in and across the org, tech leads, architects, product management, sales, and marketing.

Because our team’s work is closely tied to the user’s experience of our platform, your work will have an outsized impact on the company, on future customer-facing features, and on how customers leverage our platform in order to protect their business. If you thrive in an environment where collaboration, creativity, and technical excellence are valued, we're looking for you!

You will be joining one of the fastest growing publicly-traded SaaS companies, with a mission of ‘Empowering the World to Run Securely’. Together through our SW, we will serve thousands of users from security teams at enterprise & government customers across the globe (incl. 4 of Fortune 10 and hundreds of Global 2000), and protect tens of millions of endpoints, clouds & identities.

What will you do? A day in the life:

  • Software Development (70-80% of your time; primarily Java)
    Dive deep into coding, turning innovative specs into reality. Write robust tests, tackle bugs with finesse, and ensure top-notch security in your code.
  • Collaboration
    Collaborate with cross-functional teams.
  • Code Review
    Champion code quality, security, and efficiency. Your keen eye for detail will guide you in reviewing and elevating our codebase.
  • Build and Review Technical Specifications
      • Deeply understand architecture of the EventDB solution and connected features; Architect end-to-end solutions for complex features with loose problem definition
      • Document trade-offs in solutions/implementations; Document critical implementation details/data structures; Review and provide feedback on other specs
      • Provide guidance and meaningful feedback, understanding broader patterns and downstream and upstream dependencies
  • Support and On-Call Rotation
    Be a problem-solver. Respond to and troubleshoot outage incidents, and address security issues promptly.
  • Tools
    Primarily modern Java; AWS, GCP, FedRAMP; Kubernetes, Docker; Kafka, Redis, Jenkins, GitHub, and DataSet (we love to dogfood our own product and are very vocal customers of it)

 What Do You Bring to the Table?

We do not require a perfect match with everything below; however, the more this describes you, the better of a fit you will be for this role!

  • Experience
    • Solid computer science/software engineering/similar background with multiple years of practical engineering experience.
    • Proven expertise in designing and operating distributed systems.
  • Technical Mastery
    • Strong proficiency in Java (multiple years of hands-on experience).
    • You value elegant code that is concise and readable.
    • Have you used tools like Jenkins (or alternative), Helm, Docker? Do you have infrastructure experience with AWS, GCP, K8s, etc? Great, that helps!
  • A Collaborative, Curious, and Practical Mindset
  • If this sounds like you, we should talk:
    • You are excited about opportunities to serve as a mentor an

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Company

SentinelOne

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