* Scala / Java development experience, Spray, Akka;
* Common data structures and algorithms knowledge;
* *nix systems knowledge;
* Distributed systems design experience;
* Familiar with git, SBT, task managers;
* REST API design experience;
* Intermediate / Upper-Intermediate English.
* Experience with Cassandra and MongoDB;
* Highload projects experience;
* Solr / Elastic experience;
* Сloud services experience (preferably AWS).
* Interesting projects;
* Collaborative team spirit;
* Еxperience working with international clients.