Performance engineer with expertise in high availability and scalability systems, focusing in load testing and performance analysis and tuning of services and infrastructures. I have worked with performance testing tools as silkperformer, jmeter, Apache Benchmark, Siege, Tsung, LoadUI, Visual Studio Performance Testing in different technologies such as Websphere, Jboss for Java, NodeJS, Python/Django, and IIS with C#. I have worked with NOSQL platforms as CouchBase, MongoDB, Neo4J and Riak. I consider very importart the expertise in monitoring tools as Nagios, Grafana or Munin in order to validate the results of the performance tests