Site Reliability Engineer

IT Warsaw, Poland Cracow, Poland

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Description

We are looking for Site Reliability Engineers to join our RTB platform development team. 
What we do? We select, evaluate and personalize advertisements. One million times per second, with a latency below 50 ms.


Your tasks:

  • Ensuring that all our services are available 24/7
  • Automation of routine operations (e.g. deploying new machines / scaling services)
  • Detailed monitoring of all production systems
  • Detecting (and fixing!) Problems before they cause big trouble
  • Minimizing the duration and consequences of a failures
  • Fast and efficient, but controlled, carrying out non-standard operations (e.g. data migration, implementation of a new solution), without affecting operation of the system, the work of developers, etc.
  • Searching for the best possible solutions and technologies to achieve the above mentioned goals

Our expectations:
  • You perfectly understand how computers work (at every level: from hardware, through system, to software)
  • You can observe, monitor and analyze the performance of production systems (and draw valuable conclusions from this obserations)
  • You know various hack tools that allow you to penetrate the guts of systems (top, strace and visualvm)
  • You know (not only familiar with) A lot of technologies and you are not afraid to get to know new ones
  • You can quickly understand the principles of operation of the components used (e.g. how exactly does aerospike arrange data on disk)
  • You feel comfortable in distributed systems (not only in the LAN, but also around the world)
  • You know perfectly well what the theoretical performance of the equipment is...
  • ...and you can answer the question why (yet!) we do not observe it in practice
  • You are interested in both the lowest layers of the technological stack (hardware, network, OS) and also the business role of individual components
  • You are fluent in the code of the systems you take care of; You can easily find something there, check it and modify it if necessary
  • Not only are you able to efficiently extinguish a fire, but you can also identify its fundamental cause and propose a way to prevent similar events in the future
  • You can automate your work with Python and Bash; You are not afraid to look at any code
  • You comprehensively cover the topics you are working on.
  • You understand that from proof-of-concept to production-grade software there is sometimes some work to be done
  • You solve real problems instead of endlessly analyzing completely irrelevant issues

Selected technologies:
  • Java, Python
  • Aerospike, Memcached
  • HaProxy
  • Jenkins
  • Grafana, Graphite, ClickHouse
  • PostgreSQL
  • Kafka
  • Kibana, ElasticSearch
  • Jetty
  • Docker
  • Google Cloud

We offer:
  • A very attractive salary
  • Interesting project and technologies (https://github.com/RTBHOUSE)
  • A challenging and constantly growing scale (currently: 4 DC's/several dozen equipment cabinets).
  • Access to the latest technologies and the possibility of real use of them in a large-scale and highly dynamic project
  • Work in a team of enthusiasts who are willing to share their knowledge and experience
  • Collaboration with people who understand technology (no PMs, analysts and managers)
  • Extremely flexible working conditions - we do not have core hours, we do not have holiday limits, you can work fully remotely
  • The hardware and software you need

Do you have questions about the project, team, work style? Visit our tech blog: http://techblog.rtbhouse.com/jobs/

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