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## Backend-devops_job_offer.md

      
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                albertoperdomo
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              October 13, 2015 09:18
            
              
                Backend/Devops Engineer Job Offer
              
          
    Backend / Devops Engineer at GrapheneDB

GrapheneDB provides cloud-hosted Neo4j graph databases as a service.
We're a growing company and we're looking for a Backend Engineer with a strong systems background.
What You'll Be Doing


Build and maintain the distributed system that hosts thousands of Neo4j databases and supports hundres of customers.
Improve the reliability and efficiency of GrapheneDB core systems.
Monitor, investigate and solve errors in our infrastructure, our distributed system and databases, and collaborate on technical support cases.


## gist:9642848
import java.util.concurrent.ExecutorService
import java.util.concurrent.Callable
import java.util.concurrent.atomic.AtomicReference
import java.util.concurrent.atomic.AtomicInteger
import scala.annotation.tailrec

final case class Actor[A](strategy: Strategy)(handler: A => Unit, onError: Throwable => Unit = throw (_)) {

  private class Node[A](var a: A = null.asInstanceOf[A]) extends AtomicReference[Node[A]]
	import java.util.concurrent.ExecutorService
	import java.util.concurrent.Callable
	import java.util.concurrent.atomic.AtomicReference
	import java.util.concurrent.atomic.AtomicInteger
	import scala.annotation.tailrec

	final case class Actor[A](strategy: Strategy)(handler: A => Unit, onError: Throwable => Unit = throw (_)) {

	private class Node[A](var a: A = null.asInstanceOf[A]) extends AtomicReference[Node[A]]