Senior Legend Java developer

Senior Legend Java developer

World’s Most Comprehensive Cross-Device Identity big data on Businesses, Consumers and Geo Audiences. When the number of records counts hundreds of billions and datasets are terabytes on dozens of instances, every optimization counts — either performance, or cost, or disk space, or stability & backups — everything is critical.


  • Minimum 3 years of commercial Java experience
  • Strong knowledge of Java core
  • Deep knowledge of SQL (MySQL)
  • Strong knowledge of Spring framework
  • Working experience and good knowledge of Solr/Elasticsearch
  • Knowledge of Hadoop related technologies (HDFS, HBase, MR, Spark)
  • Knowledge of Amazon Web Services (EC2 and S3)
  • Experience with Git/SVN
  • Profiling, debugging and troubleshooting experience
  • Knowledge of Linux based platforms
  • Team player and experience of working with a US client
  • Ability to quickly and independently understand the specifications and documentation of the project
  • Intermediate English


  • Experience in implementation of JUnit/Integration tests
  • Experience with Groovy and Grails
  • Experience with NoSQL/key-value databases/stores
  • Experience in designing and consuming REST APIs
  • Decency
  • Tracking customer requests, wishes and feedback
  • Understanding of what "long-term" project is, desire and ability to gradually make improvements in a project, without going into global change existing code
  • A desire and ability of self-growth and self-education: new programming languages, technologies, frameworks and tools
  • High attention to details and accuracy
  • Pro-active approach of work in a mindset
  • Strong logical thinking. Skills and experience in algorithms writing
  • Ability to analyze, process, classify and structure information
  • Process oriented
  • Patience and tolerance, calmness

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+38(050)4000-575 +1(816)820-4793


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