Alexey D.

Senior Java Programmer

Minsk, Belarus



What's the difference

Deep knowledge of Java and JVM
Big experience in highload and performance optimization

Framework && servers:
jboss, tomcat, spring, hibernate,
java nio (netty, mina, custom applications),
Hadoop stack: setup-admin cluster, HBase, Hive, Cassandra (contribute some patchs in upstream)
MongoDB (sharding, replicaset, potential problem)

Addition languages C, python, scala, bash.

Linux kernel and native plantform
Writing some kernel module for custom fs with deduplication data (just for fun)

Work History & Feedback

Java game server code redesign

40 hrs @ $11.11/hr
Earned $632
“Alexey was a great Java programmer he understood my architecture concept from the first day and start working on it without wasting allot of time talking. The server was using 38% cpu usage on 200 players and now it is just using 3-5% cpu usage. Everything went smooth.Goodluck,”


Tests Taken
Name Percentile Score

Java Test


oDesk Readiness Test for Agency Contractors


oDesk Readiness Test for Independent Contractors and Staffing Managers