Software Engineer Resume Profile

Motivated, results-driven and proven in database development and data analyses. Successfully build machine learning predictive systems. Expertise in data analyses, data mining and database development.

Computer and Programming Skills:

Hardware: Sun/Solaris, HP/UX, DG/UX, VAX, VM.
Operating System: UNIX, Linux, Windows, VMS, CMS, MVS, DOS.
Software and Languages: C, C , Shell script, Perl, ORACLE, SYBASE, SQL Server, DB2, MySql, INFORMIX, SQL Plus, Pro C, PL/SQL, T-SQL, DBACCESS, ESQL/C, 4GL, TOAD, Erwin, SAS, R, SSRS, MicroStrategy, Crystal Reports, XML, Python, HTML, JAVA, VisualBASIC, FORTRAN, SPSS, MATLAB.
Related Interests: Optimization, mathematical programming, statistics, stochastic processes,
time series, simulation, algorithms, network analysis.

Professional Experience:

Confidential

Sr. Software Engineer

Designed and built machine learning prediction systems to closely predict customers' traffic volumes
Built a database handling more than 1.5 billion message daily
Generated daily reports for both internal and outside customers
Designed and developed models to better find problems in data process systems in real-time
Redesigned the system to improve performance dramatically with extensive development on Oracle PL/SQL, Sybase ASE, IQ on Unix SQL Server on windows
Generated hundreds of reports from Oracle, Sybase, SQL Server DTS packages SSRS
Designed and developed many ETL scripts to transfer data among different databases and to data warehouse.

Confidential

Sr. Consultant,

Designed and developed automatic reconciliation system to keep consistency between different accounting and operation systems in different databases Oracle, Sybase DB2 with UNIX Shell scripts, SQL, WebMethods CheckFree tools
Developed ETL scripts for corporation data warehouse.

Confidential

Sr. Database Architect Consultant

Designed and developed electronic data processing procedures ETL and scripts for DOD's DSES project. It involves transformation and loading hundreds of tables into a large database Oracle 10g and extracting useful information with SQL Loader, PL/SQL and SQL scripts into Mishap Reduction Systems.

Confidential

Sr. Systems Programmer,

Built a large data warehouse on the mortgage data for the portfolio analyses and management reporting
Created ETL scripts for data extract, transformation and loading
Examined and reviewed developers, testers and others' SQL for DB2 Sybase , JAVA, Shell and SAS scripts and made sure their programs comply with modeling requirements and company standards, and improved their programs' efficiency.

Confidential

Sr. Consultant

Designed statistical algorithms, performed SAS and statistical analyses for the clinic trials' data analyses
Wrote reports, prepared presentation materials and designed Access databases to store and retrieve the data.

Confidential

Sr. DBA,

Responsible for database conversions and migration, production support, performance tuning
Worked for both Informix 7 and 5 on a multitude of database design, analysis, construction, installation and conversion projects
Defined system configuration of Informix, tuned performance of the databases and performed other aspects of Informix Administration
Designed, developed, implemented, documented and tested software to execute conversion and perform data comparison on converted databases
Generated several C programs to successfully replace commercial data conversion software
Provided database production support for over 100 servers worldwide with huge database sizes and PowerBuilder team, wrote many shell, SQL and procedure scripts to extract data from clients' production databases and load into the new databases
Upgraded over 100 production servers from Informix 7.24 to 7.31, including data integrity checking, Informix configuration setting, and databases transferring

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