data engineer, devops


32 Jahre
auf Anfrage
10439 Berlin


I'm perfect for you
I am maintainer of project vagrant-libvirt and many spree extentions
I am commiter to projects: foreman, activemerchant, ovirt, logstash,
Hadoop lover and big data wizard(Data warehouse, etl, prediction)

Ich biete

IT, Entwicklung
Datawarehouse / DWH

Projekt- & Berufserfahrung

Dieser Freelancer hat noch keine Berufserfahrung angegeben.


Scrum Team Member Accredited Certification
Januar 2017
Juli 2016
certified developer on apache spark
Dezember 2015
Red Hat Certified Engineer
Oktober 2008


2002 (Ausbildung)
Jahr: 2007
Ort: Saint Petersbu...


Big data with hadoop + java + dc.js(d3.js + crossfilter or rChart ) + R(charts, statictic) or SAS
Cluster computing: yarn(hadoop), apache spark.
Stream computing: apache storm, apache spark, mongodb(collections).
Data science: prediction, statistics, process mining, data mining.
web servers: apache, nginx – configuration and patching for add new features.
Databases:mysql, postgresql, ha, horizontal and vertical scalability.
NoSQLDB: hbase, couchdb, mongodb, cassandra(cql30), Elasticsearch, Neo4J
Cluster systems and failovers (red hat cluster suite, rocks cluster)
Queue systems amqp(rabbitmq,qpid), hornetq, Kafka
Virtualization (libvirt, xen, kvm,vmware,vagrant, OpenStack)
Automatic deploy using chef and puppet(very good know both, but love chef).
VoIP (asterisk, openser)
monitoring by snmp ,opennms, nagios, zabbix, cacti, collectd,rrd
ELK contributing and customizing.
standart network services (ftp,dns,samba,dhcp,proxy,firewalls,nfs)
IDS systems (snort)
Expert in svn and git
Scripting (ruby, lua, bash, awk, python)
Statistics: R, sas, python
Vissualisation: js(d3.js, crossfilter, dc.js, nvd3), octave, R(rchart, graphics), blender (by python api)
Experience with C, Go, erlang, java

Über mich

06.2016-present Strato AG. Software engineer.
freeipa(ldap, kerberos, pki) + theforeman+katello + puppet + openstack + jenkins

08.2015-12.2015 ExacTag – Duisburg (contractor)
Cloudera Hadoop, Kafka, Spark(graphX, streaming)
Create realtime application for advertisement metrics.
Patching spark streaming and RDD for simplify data aggregation.

05.2015-08.2015 IngDiBa Bank – Frankfurt am Main (contractor)
Hortonworks Hadoop, Ranger, FreeIPA, Ambari, Spark
HDFS, Hive, Spark, Yarn, Hbase, Kerberos
Rstudio, R , local CRAN.
Docker and docker-registry for local distribution docker images.
Authorisation and authentication in hadoop with kerberos and ldap.
Create big data platform for data scientists.

01.2015-05.2015 Fujitsu(contractor)
Development cluster management tool
OpenStack(networking, storage, templates for heat)
Atomic(multinodes cluster)
kubernetes(multinodes cluster inside Atomic)
Web Management tool based on angularjs + d3.js + java(jersey).

02.2014-12.2014 Nokia-Here(contractor)
ruby, python, rails , postgresql(json, hstore), aws, d3.js, crossfilter.js, dc.js
data visualization by graphics and heatmaps, agregations by geographic and roles createria
log analyze by splunk and logstash
elasticsearch cluster: rebalancing, scaleup, failover
create custom logstash filters.
Go for write REST api
R + shiny + splunk api for draw beauty and fast graphics.
Cloudformation templates for autodeployed and scaled elasticsearch cluster
develop on java and jruby – improve and speedup logstash for s3(opensourced on github)

05.2013-curent time
founder, backend engineer in of Things)
collect and analyze data (fluentd, cassandra, postgresql, hadoop, R , sqoop, d3.js)
Cars error prediction based on collected data and logit model.
design and implement ETL process.
create product(docs, ads, manage team)

01.2013 – 08.2013
DevOp in Zimory GmbH
1.implement distribution product by rpm(maven for build rpms)
2.automatize installation process(puppet + foreman + rpm)
3.implement central log system(puppet + logstash + rsyslog)
4.testing and bug fixing(vagrant + vagrant-libvirt + python + ruby + bash)
5.ldap modification

04.2012-11.2012 Hitfox GmbH
chef's cookbooks, spree extentions, tests, support infrastructure, search based on sphinx.

10.2011-02.2012 PAYANGO GmbH
chef integration,write all recipes and migrate part of system from scalarium
vagrant integration for autodeploy from chef-server
failover system for amqp(based on rabbitmq)

10.2007 – 05.2014

owner,devops engineer and manager

- build system for draw geodata by d3.js
maintainer of project vagrant-libvirt and many spree extentions
contributor to projects: foreman, activemerchant, ovirt
ui based on angularjs and create deploy recipes, ha cluster(
ember.js based application(js + html5)
rails and backbone code for
postgresql cluster based on hot standby feature and heartbeat. - spree based e-shop with geo-settings for dealer network.
create autocomplete documents service
online store(spree and spree plugins
) filehosting service(hadoop(hbase + map/reduce tasks) + rails + memcached)
jruby client app + hadoop
jruby for facebook automatization
jruby for deploy rails application on google app engine
jruby for amazon orders serve
eshop + remote soap datastorage (1c)
realty information service (rails + couchdb + memcached)
increase performance for>6_000_000 requests per hour)

system administrator

freelancer,system administrator and ruby developer

Persönliche Daten

Englisch (Fließend)
Russisch (Muttersprache)
Deutsch (Grundkenntnisse)
Europäische Union
Vereinigte Staaten von Amerika
12 Jahre und 7 Monate (seit 08/2004)
bei Bedarf möglich
10 Jahre
Beruflicher Status
Ich bin auf eigene Rechnung in Projekten tätig (Freelancer)


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