Staff Software Engineer

About Us:

SentinelOne is defining the future of cybersecurity through our XDR platform that automatically prevents, detects, and responds to threats in real-time. Singularity XDR ingests data and leverages our patented AI models to deliver autonomous protection. With SentinelOne, organizations gain full transparency into everything happening across the network at machine speed – to defeat every attack, at every stage of the threat lifecycle.

We are a values-driven team where names are known, results are rewarded, and friendships are formed. Trust, accountability, relentlessness, ingenuity, and OneSentinel define the pillars of our collaborative and unified global culture. We're looking for people that will drive team success and collaboration across SentinelOne. If you're enthusiastic about innovative approaches to problem-solving, we would love to speak with you about joining our team

Do you want to join a company where you'll be first on the frontlines to define our platform, by building the backend of our Data Platform services processing Petabytes of data per day? Joining S1's Security Data Lake data platform is an amazing opportunity for anyone passionate about building a best-in-class SaaS solution that allows Security teams worldwide to quickly identify and solve security problems.

We're seeking a seasoned colleague, able to lead features/epics, inspire others and lead them technically as Staff SW Engineer.

If you are a polyglot engineer with a keen product eye, you'll have amazing opportunities to develop new functionalities and directly impact how customers leverage our Singularity Security Data Lake platform in order to perform threat hunting and build threat intelligence solutions on top of it. Specifically, you'll deal with everything related to Data Ingestion and processing. Our roadmap includes many new functionalities as well as several cost and performance goals so we can process huge amounts of data at a really great cost point for our customers.

• Software Development (70-80% of time)
• Lead implementations of new specifications; Write tests to cover new code or newly found issues
• Implement with consistent coding patterns with a focus on stability and security
• Review Code
• Raise the quality, stability and security of the code for entire team codebase
• Provide guidance and meaningful feedback, understanding broader patterns and downstream and upstream dependencies
• Build and Review Technical Specifications
• Document trade-offs in solutions/implementations; Document critical implementation details/pipelines; Review and provide feedback on other specs
• Deeply understands architecture of Ingestion pipelines and connected features
• Architect end-to-end solution for a complex feature with loose problem definition
• Support/On-Call Rotation
• Respond/troubleshoot to outage incidents; Fix newly found issues
• Help team members solve problems; Provide feedback; Attend weekly team sync; Provide Daily Standup in Slack

Your tools:

• Primarily modern Java, but you may also come across limited amount of Go, Python
• AWS, GCP, FedRAMP
• Kafka, Redis, S3, Kubernetes, Docker, Jenkins, GitHub

• You're passionate about building high-scale elegant and simple distributed systems - and during the past several years you've successfully designed & implemented them to solve complex problems
• You enjoy a collaborative development process using design discussions and code review
• You're looking for the technical challenges of ingesting and processing petabytes of data daily
• You enjoy writing modern Java or Go, and are in general flexible in learning & using the right tool for the job (incl. new paradigms like Rust etc.)
• Hands-on experience with Kafka or similar on large scale solutions
• You possess solid foundation on building ingestion pipelines, experience with solving high volume streaming challenges and scaling
• You can identify relevant improvements/solutions in the literature & bring them into production when they fit
• Deep understanding of technology trade-offs and costs of different options, to keep the system stable and scalable

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