PROFESSIONAL EXPERIENCE

Confidential

Lead Software Developer

Responsibilities:

• Developed data stream processes for the corporate analytical applications.
• Lead development of the enterprise logging system based on open source technologies (SOLR/Lucene, Hadoop, Hbase)
• Supported move to production processes for Pentaho and data stream applications
• Implemented Log Ingest application based on Kafka, Sprint Boot.

Technical environment: HDP 2.2 - 2.3, Hbase, Oracle, DB2, Storm, MapReduce, Hive, Pentaho DI, SOLR, Java 8, Bash, Python, Kafka, MQ, WebSphere, Tomcat, Spring Boot, Eclipse, RAD, Continuum, SVN, Fortify, FishEye

Confidential

Sr. Technology Consultant Projects:

Responsibilities:

• Technology upgrade of several internal Java applications. The old technology stack was Java 1.4, Weblogic 8.1, EJB 2.1. These were replaced with JDK 1.7, EJB 3, WebSphere 8
• Evaluated new technologies for re-designing legacy Java applications
• Provided architectural supervision, designed and documented integration solution for internal projects.
• Code review, creation of software architectural documents, proof of concept implementations

Technical environment: WebSphere 8, JDK 1.7, JPA, EJB 3, Oracle, SQL Server, mongoDB, Enterprise Architect, RAD, Eclipse, Visio, MS Team Foundation Server, Jenkins, maven, JSF, CDI, IceFaces, Jquery, Spring, Hibernate

Methodologies, standards: Scrum, RUP 

Confidential, Broomfield CO

Principal Software Engineer

Responsibilities:

• Developed REST services for enterprise product catalog. The project was a part of the enterprise IT initiative for consolidation order entry and provisioning systems.
• Developed order management domain and enterprise SOAP and REST services using Java, TIBCO.
• Designed and developed application components for network events processing and integration with COTS NMS application. Components’ architecture is based on OSGi specification.
• Architected and developed master log processor using TIBCO BW, Java, Perl.
• Researched COTS applications, new application frameworks for web application development.
• Performed problem domain analysis to build network monitoring solution for the content delivery network.
• Played lead role on development team of 3 developers by providing architectural guidance, creating detailed technical specifications from high level business requirements.

Technical Environment: Java 5-6-7, REST Easy, Jersey, SCALA, Lift framework, Felix OSGi container, Hibernate, Apache Cayenne ORM framework, Spring framework, iPOJO, TIBCO Rendezvous v. 8.2, TIBCO Business Works v. 5.4-5.7, Drools, Perl, ksh, Groovy, JUnit, Eclipse, Visual Studio 2008, Tomcat, Postgre SQL, Oracle, MS SQL, WebLogic, XML Spy, ClearCase, sbt, Maven, ant, Jenkins, git, Windows Server 2008, Sun Solaris 10, SuSe Enterprise, JQuery.Methodologies, standards: Scrum, RUP, TM Forum SID.

Confidential, Denver, CO

Developer.

Responsibilities:

• Developed patient admission application.
• Customized and supported server side components of Horizon Clinics application suite.
• Developed real time data integration between two applications using PL/SQL packaged procedures, DB triggers/views.
• Provided code review of new components.
• Reverse engineered and documented .NET class library for partner company.

Technical Environment: Oracle 9i, JBOSS, SQL Developer, Toad, ANCI C++, Java 1.4 - 1.5.x, C#, Visual Studio 2003, POJO, Spring 2.0, Hibernate 3.2, ant, JUnit, cppunit, Enterprise Architect, Clear Case, StarTeam, AIX, HP-UX, Linux, Windows XP.

Confidential, Greenwood Village, CO. technology consultant, senior consultant.

Responsibilities:

• Designed and documented SOA solutions between legacy network provisioning applications and COTS systems.
• Designed and developed first layer integration services with AAIS using TIBCO Business Works and custom Java Components.
• Developed integration solution between AAIS and third party Telecom Switch control system (Automatic Switch Activation Program, MetaSolv ) using TIBCO BW, JMS. Reverse engineered legacy C++, C, Java code to document proprietary messaging framework.
• Performed knowledge transfer to offshore development team.

Technical Environment: TIBCO Rendezvous, TIBCO Business Works, TIBCO Formflow (Portal framework), XML/XSLT, Sun Workshop 8, Sun Solaris 2.8, IBM AIX 5.1, Rational Rose 2003, C, IBM VA C++ v.6, JDK 1.4, Spring v.2.0, Spring MVC, Hibernate v. 2.2, CVS, bash, awk, unit++, cppunit, mockpp, xerces-c.

Confidential

Sr. Developer

Responsibilities:

• Designed database schema for customer profile information. Development PL/SQL stored procedures to provide access to data in the customer profile database.
• Developed batch data load process for customer profile information from corporate data warehouse into custom designed schema.
• Designed developed and documented enterprise adaptor for corporate Web services. The adaptor had to meet certain productivity requirements for customer support portal with planned peak load of several thousand calls per hour.
• Developed custom components for commercial retail software package.
• Provided bug fixing in commercial retail software, supported build and integration test processes.