Alexey Tigarev
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Alexey Tigarev



Odessa, Ukraine


I am interested in 1). Projects which require nontrivial algorithms, distributed computations, etc 2). Agile software development.Some of technologies I am interested in working with are:Hadoop/MapReduce, Amazon Web Services (EC2, S3, Elastic MapReduce), Lucene/Nutch/Solr (for search engines), Java, Python, functional programming.[Summary]Strong theoretical background in math, algorithmics and IT; broad software development industry's experience including but not limited to programming, object-oriented and database design, development for UNIX/Linux, working with miscellaneous RDBMS; working in team and team leadership (6 and 4 years, up to 12 team members), project management and  requirements engineering; strong experience with Agile development methodologies (I am a Certified ... moreScrumMaster); diverse experience with miscellaneous programming languages and paradigms; experience in communication with international customers; clear vision of how must successful product look; communication and facilitation skills - combination of these skills allows me to successfully lead the creation of  outstanding software products.I do programming since 1991 (I was 12 years old then). I program compiling (Java, C/C++) as well as script languages (PHP, Python/Jython, Perl). I know how to combine the best sides of several programming languages in one project, also by using some exotic programming languages (like Icon, Scheme, and Haskell).I am committed to the continuous improvement of software development processes in my team and in the entire organization and to the creation of high quality software products.[Professional Skills]Communication and management capabilities: Establishing project vision and scope; gathering of product requirements from clients; preparation of software requirements specifications (SRS); project estimating and planning; coaching team members; pair programming; communication with international customers; facilitation of Daily Scrum Meetings, design meetings and retrospectives; maintaining backlog of user stories; helping product owner to state requirements in form of user stories; facilitating introduction of agile practices to the team/project.Methodologies: Scrum, XP, PMBOK.Project planning and tracking tools: Primavera Teamplay, Microsoft Project, MindManager, XMind, Bugzilla, Mercury Quality Center, Trac, Redmine.Programming languages: Java - 7 years, C++ (g++) - 4 years, Python/Jython - 4 years, Perl - 4 years, C, PHP - 5 years, Javascript - 3 years, Pascal, Assembler (TASM, GNU Assembler), Basic, Scheme, Ruby, Icon, Delphi, Unix shell scripting (bash, sh).Programming and design practices: OOA&D (Object Oriented Analysis and Design), UML, design patterns, refactoring of existing code design, TDD (Test Driven Development), continuous integration.API, frameworks, technologies: JDK, EJB, JBoss, Castor JDO, Apache, Apache Tomcat, Jetty, IBM WebSphere, Log4J, JCE, XML (FOP, Xerces, DOM, SAX, XSL, XSD), Java3D, Spring, Spring Webflow, Hibernate, JSP, JSTL, JNDI, AJAX, Acegi Security, Jakarta Commons, Jasper Reports, BIRT, Swing, AWT.Design tools: Sparx Enterprise Architect, Power Designer, VP UML.IDE: IntelliJ IDEA, Eclipse, NetBeans, JBuilder.Build tools: Ant, Maven, XDoclet, make, CruiseControl.Vesrion Control: CVS, SVN.Code analysis tools: PMD, Checkstyle, JDepend, Doxygen, Cobertura, EMMA.RDBMS: Sybase SQL Server, Sybase SQL Anywhere, MS Access, Oracle, MySQL, IBM DB2, Interbase/Firebird, H2, PostgreSQL.Platforms: UNIX (Free BSD, Linux, RealTime Linux) - 5 years, MS Windows, MS/PC/Novell DOS, IBM iSeries (AS400), Java platform. less

Alexey Tigarev has added 21 portfolio pieces. Create an account to review them.

Work History and Feedback

  • Aug 2012 - Sep 2012

    MapReduce expert required
    Alexey was a pleasure to work with. He quickly understood the problem and was able to propose several options for us. He was responsive, knowledgeable and experienced. We would use him again for these types of problems.
    12 hours
    $49.00 / hr
    $588.00 earned

  • Feb 2012 - Jun 2012

    HBase and ElasticSearch Guru Full-Time position
    323 hours
    $49.00 / hr
    $15,818.67 earned

  • Jan 2012 - Feb 2012

    Scheme programming

    No feedback given

    13 hours
    $49.00 / hr
    $628.67 earned

  • Sep 2009 - Oct 2011

    Parse and aggregate gigs of log files

    No feedback given

    14 hours
    $25.00 / hr
    $354.00 earned

  • May 2010 - Jul 2010

    Hadoop/Hbase Engineer
    We weren't able to continue very long with the project unfortunately but Alexey seemed very switched on motivated to take on the challenge.
    3 hours
    $29.00 / hr
    $96.57 earned

Alexey Tigarev has more jobs to show. Create an account to review them.


Name Score (out of 5) Time to Complete
Perl 5 Test 4.00 Top 20% 27 mins
Python 2.x Test 4.40 Top 10% 35 mins
System Analysis Test 3.00 Top 20% 20 mins
Advanced Java Test 2.75 Top 30% 26 mins
Unix Test 4.10 Top 20% 22 mins
Java Test 3.90 Top 10% 33 mins
Management Skills Test 3.10 Top 30% 16 mins
U.S. English Basic Skills Test 3.90 Top 30% 26 mins
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Work History

100% Job Success
2,225 hours worked
20 jobs


Less than 30 hrs/week

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