Staff Software Engineer (Java) for EventDB – Scalable Columnar Database

What our team does

The EventDB team of 7 as part of the DataSet productline is responsible for SentinelOne's highly scalable columnar database. Ingesting billions of events every day, handling billions of objects and enabling search-ability and insight for our customers into their data. With blazing speed, queries returning in milliseconds, and immediate querying of live and historical data at petabyte scale.

Our team solves non-trivial scale and data problems with a unique blending of cloud, distributed systems, and software optimization techniques and services.

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

What will you do? Day in the life

• Software Development (70-80% of time)
  • Lead implementations of new specifications and build implementations of previously built specs; Write tests to cover new code or newly found issues; Bug fixes/Security fixes
  • Implement with consistent coding patterns with a focus on stability and security
• Review Code
  • For quality, test coverage, security etc
• 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/On-Call Rotation
  • Respond/troubleshoot to outage incidents; Fix newly found security issues
• Teamwork
  • Help team members solve problems; Provide feedback to team members; Attend weekly team sync and weekly team sync with SRE team; Provide Daily Standup in Slack

Your tools:

• Primarily modern Java; AWS & GCP, Kubernetes, Docker, Kafka, Redis, Ansible, Jenkins, GitHub, and DataSet (we love to dogfood our own product and are very vocal customers of it)

Does this sound like you?

• You’re passionate about building high-scale elegant and simple distributed systems - and during the past several years you’ve successfully designed & implemented them (using Java or similar), to solve complex problems.
• You enjoy a collaborative development process using design discussions and code review.
• You’re looking for a challenge that doesn’t just require you to use technologies like Kafka and Cassandra, but require you to rebuild them because they didn’t meet the project requirements.

It’d be great if / or You’d learn & gain on our team:

• You possess solid foundation on horizontal scaling, data algorithms and knowledge of modern databases/data stacks such as DynamoDB, Redis, and/or Druid.
• You have experience with SaaS processing cloud scale data.
• You can identify relevant algorithms in the literature & bring them into production when they fit.
• You can discuss CAP theorem tradeoffs and give examples.
• You enjoy writing modern Java (we love lambdas) and prefer composition to inheritance.
• Garbage collection doesn’t faze you because you know the JVM like the back of your hand. You can rattle off the available garbage collectors and their tuning parameters.

What we offfer you

You will work on real-world problems and make an impact by protecting our customers from cyber threats. You will tackle extraordinary challenges and work with the very BEST in the industry.

On top of that we offer you

• Flexible working hours, In Prague & nearby we're working in a hybrid model with offices in Karlin, 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) 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 (e.g. 4 days in 2022)
• Pension insurance contribution
• Premium Life Insurance covered by S1
• Monthly Meal & Wellbeing Allowance
• Private medical care membership for you and your +1
• High-end MacBook or Windows laptop, Home-office-setup gear & on top of that additional WFH Allowance
• Udemy Business 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.)
• DEI&B programs that promote employee resource groups like SentinelWIN (Women Inclusion Network), Blk@S1, Latinos@S1, Pan-Asian@S1, Out@S1 (LGBTQIA+) and Sentinels Who Served