Timofey Nevolin

Timofey Nevolin

Gaithersburg, United States
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Timofey Nevolin

Timofey Nevolin

Gaithersburg, United States
Member since June 25, 2014
Timofey is a Software Architect and Developer, with a proven ability to develop efficient, scalable, and fault-tolerant server solutions for complex problems. He has excellent analytic abilities, and extensive experience with Big Data real-time processing, server solutions and web services.
Timofey is now available for hire
Portfolio
Experience
  • Java, 15 years
  • Concurrent Programming, 10 years
  • Software Architecture, 10 years
  • Netezza, 6 years
  • Spring, 4 years
  • Amazon API, 2 years
  • Spring MVC, 2 years
  • Amazon Web Services (AWS), 2 years
Gaithersburg, United States
Availability
Part-time
Preferred Environment
Eclipse, GIT/SVN
The most amazing...
...thing I've done is a delivery of Big Data real-time analytic system on STORM cluster.
Employment
  • Architect and Development Lead
    FINRA
    2009 - PRESENT
    • Architected a complete system, including data processing modules, component framework, and logging/monitoring/control infrastructure.
    • Designed and enforced the automated project life cycle: build, test, deployment.
    • Established and enforced development best practices.
    • Maintained overall product architecture consistency and clarity to support intuitive development and easy product evolution.
    • Created and maintained technical and user documentation.
    • Researched AWS Elastic Map Reduce technology (web GUI and command line interfaces).
    • Developed Elastic Map Reduce jobs capable of using Amazon S3 storage, as input and output source.
    • Analyzed the existing stream of event processing solutions in a market, and evaluated them against desired system qualities to find the best suited product/framework for a project.
    • Architected system POC version and supervised implementation.
    Technologies: Java, JMX, Spring, GWT, Netezza, GreenPlum, Oracle, Web services (SOAP and REST), parallel data processing, performance optimization, Hadoop Map Reduce, Amazon Web Services, Elastic Map Reduce, Hive, HQL, STORM, ESPER, Cassandra, Zookeeper
  • Java Developer
    Danfoss Turbocor Compressors (via Toptal)
    2016 - 2016
    • Analyzed existing code and solutions.
    • Found the source of a performance discrepancy in different input data cases.
    • Recommended solution approaches with corresponding implementation time and effectiveness.
    Technologies: Java, Profiling, Client server, MS Office add-ins
  • Business Intelligence Architect and Developer
    Cambridge Interactive Development Corporation
    2008 - 2009
    • Adapted an existing Java based data load application for Netezza database, making the first generation of Netezza data warehouses operational.
    • Developed a data load application for corporate data warehousing using Data Integrator increasing load speed four times, which was a critical achievement to support the data delivery service level agreement.
    • Designed data marts.
    • Studied, troubleshoot, and configured a company-wide scheduling system. Parallelized and optimized schedule implementation, decreasing load time span by ~50%.
    • Configured the load balancing environment for a scheduler and ETL tool.
    • Optimized corporate wide ETL operations, cutting the overall load time in half.
    Technologies: Java, Informix, Oracle, Netezza, MySQL, BO Data Integrator, CVS, Perforce
  • J2EE Architect and Developer
    Liberty Travel
    2005 - 2008
    • Analyzed application requirements and communicated with the business analyst.
    • Architected and developed application modules.
    • Integrated with a third-party application API.
    • Designed and developed a web-based user interface.
    • Designed a complex data matching algorithm for integrating with the external system.
    Technologies: J2EE application with web client, EJB, MDB, Struts, JSP, Servlets, XML, Oracle
Experience
  • Anagrammer web site (Development)

    Designed and implemented back-end engine to find word anagrams for multiple languages, as well as many other word games on this site.

Skills
  • Languages
    Java, JavaScript, HTML, PHP, XML/XSLT, SQL
  • Storage
    Netezza, MySQL, Greenplum, Cassandra, Oracle, PostgreSQL, Amazon Redshift
  • Misc
    Software Architecture, Team Mentoring, Multithreading, Technical Project Management
  • Frameworks
    Spring, Spring MVC, GWT, Hadoop, Storm
  • Libraries/APIs
    Amazon API, jQuery UI, BouncyCastle, jQuery
  • Paradigms
    Concurrent Programming, Evolutionary Database Design, Agile Software Development, MVC
  • Platforms
    Linux, Java EE, Amazon Web Services (AWS), Android
Education
  • MBA degree in Management Information Technology – IT project management
    Western Governors University - Salt Lake City, UT
    2007 - 2009
  • University degree in Experimental Particle Physics
    Novosibirsk State University - Novosibirsk, Russia
    1990 - 1995
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