Sr Java Developer for EventDB – Scalable Columnar Database

Homeoffice Remote HPP
SentinelOne Prague/ Brno/ remote in CZ/SK 150 000 Kč / měsíc nebo si řekni o víc
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!

What our team does:

The EventDB team of 7 is responsible for SentinelOne's highly scalable columnar database. Ingesting billions of events every day and enabling search-ability and insight for our customers into their data. Our team solves non-trivial scale and data problems with a unique blending of cloud, distributed systems, and software optimization techniques and services.

Day in the life:

  • Software Development (70-80% of time)
    • Build implementations of previously built specs; Write tests to cover new code or newly found issues; Bug fixes/Security fixes
  • Review Code
    • For quality, test coverage, security
  • Build and Review Technical Specifications
    • Document trade-offs in solutions/implementations; Document critical implementation details/data structures; Review and provide feedback on other specs
  • 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, Kubernetes, Docker, Jenkins, Ansible, 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.

Co je potřeba

  • Úroveň
    Senior Expert
  • Jazyky
    Anglicky – domluvit se


  • Mzda
    100 000 - 150 000 Kč / měsíc
  • Typ odměny
    Odměna/Mzda Podíl
  • Vzdálená práce
    Homeoffice Remote
  • Pracovní prostředí
  • Typ práce nebo projektu
    Moderní technologie Inovační projekty

Jaké jsou benefity?

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 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 offer you

  • Flexible working hours, In Prague & nearby we're working in a hybrid model with offices in Karlin (brand new Missouri Park), remotely in the rest of CZ or SK, with optional Brno offices for those who like to meet
  • Generous employee stock plan in the form of RSUs
  • Flexible Time Off (on top of the standard 5 weeks), Flexible Paid Sick Days
  • Fully Paid Short Term Sick/Nursing Leave
  • Global gender-neutral Parental (16 weeks) & Grandparent Leave
  • Volunteering paid day off & Additional paid Company holidays and Wellness days off (e.g. 6 days in 2022)
  • Pension insurance contribution, Premium Life Insurance, Private medical care membership
  • Cafeteria points (5.000 CZK/month)
  • High-end Mac / Win laptop, WFH gear & allowance
  • Udemy Business & support for your further education
  • Above-standard referral
  • Yearly bonus depending on the performance of the company
  • On top of RSUs, you can benefit also from our attractive ESPP(employee stock purchase plan)
  • Refreshments& snacks at the offices
  • Optional company events

Další informace o pozici

  • Typ smlouvy
    Interní pozice (HPP a další)
  • Typ pracovního úvazku
    Plný úvazek
  • Typ firmy
  • Místo pracoviště
    Prague/ Brno/ remote in CZ/SK