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Senior Software Engineer (Java, Go) - Security DataLake product

SentinelOne

SentinelOne

Software Engineering, Product
Brno, Czechia · South Moravian Region, Czechia
Posted on Nov 1, 2025

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?

Our mission is to elevate our Singularity Data-Lake security applications portfolio by introducing leading-edge solutions and features. We are seeking a Senior Backend Engineer with the ability to lead features and inspire others. In this role, you'll be responsible for developing new functionalities for the Singularity Data-Lake products, which process several Petabytes of data daily.

If you are a versatile engineer with a sharp product sensibility, you'll have remarkable opportunities to directly influence how our customers utilize our platform for threat hunting and building cutting-edge threat intelligence solutions. Our roadmap includes an array of exciting new functionalities and ambitious cost and performance objectives to efficiently process vast amounts of data, all to the advantage of our customers.

What will you do?

  • Software Development (70-80% of the time)
  • Formulate and review technical specifications
  • Architect comprehensive backend solutions for complex features with loosely defined problem statements
  • Enhance the quality, stability, and security of the entire team's codebase
  • Conduct code reviews
  • Contribute to the on-call rotation, responding to and triaging production incidents
  • Assist team members in problem-solving, offer constructive feedback, and participate in daily scrum standups

Your Toolkit:

  • Our new components are primarily developed in Java, with extensive use of Python and Go in our current backend environment.
  • Communication between microservices is facilitated using gRPC, REST, GraphQL APIs, and Kafka, depending on specific requirements.
  • We rely on Redis for caching and have our columnar time-series database for efficient event storage and retrieval at scale.

What experience or knowledge should you bring?

  • Proficiency in developing large-scale systems (preferrably in Java and/or Go) and a track record in architecting them
  • Familiarity with AWS, Postgres, Redis, Kafka, Kubernetes and Docker
  • Demonstrated technical leadership experience, shaping best practices and driving their adoption
  • Ability to swiftly delve into new products and comprehend their inner workings
  • Proven capacity to collaborate effectively with both local and remote teams across various time zones
  • Excellent communication skills, as you'll regularly liaise with product and other engineering teams
  • A huge plus would be previous experience in developing security-related 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. Only Prague-based employees are required to work from the office at least two days per week.

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.
  • Insurance & Health: Pension Insurance Contribution, Premium life insurance, Private medical care (for you and +1), 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!

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.