Senior NET Developer Delphinus Consulting Inc
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Jim Edward Espaillat jespaillat@delphinusinc.com
Skills
Business Experience
Banking, Brokerage (Fixed Income and Equity Options), Commercial Leasing, Employee Benefits, Pharmaceuticals,
Publishing, Retail and Consumer Services, Telecommunications, Training, Utilities
Languages & Platforms
.NET Framework (2.0 through 4.0), C#, VB.NET, ADO.NET, WinForms, ASP.NET WebForms, XML, Web Services,
COM+/MTS, SQL Server Integration & Reporting Services (SSIS/SSRS), PowerBuilder (4,5,6,7,8,9), EAServer (Jaguar
CTS), PowerBuilder Foundation Classes (PFC), Distributed PB, Java (1.2, 1.4), Java Server Pages (JSP), J2EE, Apache
Tomcat, HTML, JavaScript, ASP, Visual Basic for Applications (VBA), Cobol/Cobol II, CICS, Windows, UNIX, Shell
Scripting, JCL, MVS/ESA, Subversion, PVCS
Databases & Tools
SQL, MS SQL Server (2000,2005,2008), Sybase (4,10,11,12), Oracle (7,8,9), Transact-SQL, PL/SQL, SQL
Anywhere (5,6,7), mySQL, MS Access, DB2, XDB, Watcom SQL, PowerDesigner (v11), ERwin (v3.5), SQL Navigator,
DBArtisan
Methodologies
Agile Development, End-User Requirements, Business Analysis, Object-Oriented (Use Case) Analysis, User
Interface Design, Object-Oriented Design, Design Patterns, Application Architecture, Database Design and Normalization,
Data Modeling, Code Specifications
Professional Experience
OneWorld, Parsippany, New Jersey Sep 2007 – Jun 2012 Consultant
Responsible for multiple roles as an application architect, developer, data architect, and database administrator.
Designed and created CLD, a platform for delivering pharmaceutical marketing content to health care providers at
conventions, collecting provider data, and interfacing with clients’ CRM systems. Written in .NET, the system comprises
multiple applications, all of the following which I personally designed and developed:
• A C#/VB/SQL Compact/WinForms front end which serves as the engine for dynamically displaying graphic
content (both static and Flash images) based on custom XML configuration files, collecting data from physical
card scans, and formatting data for transmission
• Numerous SQL Server stored procedures used to configure the front end
• A set of SSIS packages used to import client customer data into the primary SQL Server database
• An ASP.NET application, built using DevExpress controls, used to provide real-time metrics to the end-client
• A number of C# and VB desktop applications used internally for scheduling and reporting
Designed and created DataVault, a CRM-like system for tracking the activities of individual health care providers
across multiple clients and conventions. The system uses sophisticated algorithms written in .NET and deployed to SQL
Server using SQLCLR, to standardize and match identifying information from various data sources, and hence of varying
quality, along several dimensions (names, addresses, degrees, specialties, etc.) simultaneously.
Served as development DBA supporting all OneWorld database applications. Responsible for designing and
maintaining table schemas, and enforcing coding standards for stored procedures. Used PowerDesigner to create and
maintain E/R diagrams, and to generate change scripts as needed. Provided performance tuning and debugging support to
other developers.
Unilever/Best Foods, Englewood Cliffs, New Jersey May 2006 – Aug 2007 Consultant
As technical leader of a team of four developers, designed and developed a commission system to calculate
payments to brokers. Application consists of an ASP.NET WebForms front end, written in C#, with business logic deployed
as Transact-SQL stored procedures in a SQL Server 2005 database. Primarily responsible for overall application design
and data modeling, as well as implementing most of the back-end business rules. Implemented numerous reports using
SQL Server Reporting Services (SSRS).
Also responsible for performing maintenance and enhancements on the legacy commission system, written in
PowerBuilder 9 and Oracle 7/8.
NYC HRA, New York, New York Mar 2006 – May 2006 Consultant
Converted Distributed PowerBuilder components to.NET components deployed on a COM server, and running
against an Oracle 9i database. Used Sybase DataWindow.NET to leverage business rules embedded in legacy code.
SetFocus, Parsippany, New Jersey Apr 2005 – Mar 2006 Developer
Developed solutions for diverse programming scenarios in C#.NET, employing object–oriented programming
concepts such as; encapsulation, inheritance, polymorphism, and abstraction.
As team leader, designed and developed a multi-tiered IT Recruiter Placement Application, similar to Monster.com
web site, with the capabilities to post jobs, search jobs and query reports. Project included building a Windows based front-
end interface for managing the system and database. Created administrative security levels for different users, and wrote
stored procedures. Technologies utilized included: C#.NET, SQL Server 2000, Transact-SQL, ADO.NET, ASP.NET, Web
Services, COM+ and HTML.
Developed a Windows n-tiered “Public Library Management System” application and then ported the application to a
dynamic ASP.NET Internet/Intranet model utilizing the same secure middle tier data access components. Non-public web
pages were secured using Windows integrated and ASP.NET forms security models.
Used C#.NET and ADO.NET to define and implement secure middle-tier components using both connected and
disconnected environment strategies. Components were consumed by web applications and windows applications utilizing
SQL Server and stored procedures to perform logical business transactions.
Created and deployed XML Web Services using ASP.NET. Consumed Web Services from both WinForms and
ASP.NET WebForms applications.
Created complex business components in C#.NET using .NET Class Library assemblies while migrating and
implementing them in a multi-tier environment suitable for Microsoft Transaction Server (MTS) and COM+ to address
application infrastructure issues associated with building scalable enterprise level applications used by many clients.
Created deployment projects for .NET applications using Microsoft’s MSI packages.
Time Inc., New York, New York Jun 2005 – Mar 2006 Consultant
Performed enhancements on OMS, a magazine layout and composition system written in PowerBuilder 9, to
improve the performance of image rendering and page manipulation routines. Added several reports using Sybase
EAServer as an application middle tier.
Using Java 1.4 and JAXB, enhanced the XML interface between OMS and BOSS, an ad sales tracking system.
Created numerous stored procedures using Sybase ASE12. Instituted new procedures for using PVCS version control.
Alliance Capital Management, New York, New York Jan 2004 – Jun 2005 Consultant
Performed enhancements on APEX, a fixed income trading system, to improve compliance with Sarbanes-Oxley
audit and security requirements. Made extensive improvements to the tracking of bond quality ratings and sector
classification schemes within the application. Responsible for dozens of minor corrections and enhancements to the
system. APEX was written in PowerBuilder 6.5 and converted to PowerBuilder 9, running against Sybase ASE 12.
Pepsi Bottling Group, Somers, New York Aug 2003 – Jan 2004 Consultant
Performed maintenance and enhancements on a vending machine servicing application. Identified numerous errors
and performance issues not originally identified in project scope. Also performed enhancements to an inventory system to
allow users to define relationships between PBG and Pepsi North America products. Applications were written in
PowerBuilder 6.5, running against both Oracle 9i and Sybase ASE 12.
Footstar, Mahwah, New Jersey Apr 2002 – Apr 2003 Consultant
Designed and developed an application to automate distribution and tracking of vendor shipments. Written in
PowerBuilder 8 on Windows 98, against an Oracle 8.1 database running on UNIX. Database was converted to Oracle 9i
after initial deployment. Batch processes were written in either COBOL or Oracle PL/SQL using SQL Navigator, and
executed using UNIX shell scripts.
Bank of New York, Teaneck, New Jersey Apr 2000 – Apr 2001 Consultant
Designed and developed an asset management application to be used to automate purchasing decisions, track
orders, and manage inventory. Application was written in PowerBuilder 7 on Windows NT, against a Sybase 11.x database
running on UNIX, using a Delphinus-designed custom 3-tier application framework (originally developed for another client),
to which client-side support for the Model-View-Controller (MVC) paradigm was added. Application was designed to allow
easy conversion to a browser-client interface.
CIT Group/Newcourt Credit, Parsippany, New Jersey Aug 1998 – Apr 2000 Consultant
Designed and implemented a distributed architecture for an existing lease origination application. Initial project
assignment involved performing performance and architecture improvements to the original application, written in
PowerBuilder 6.5 on Windows 95, and deployed against a Sybase 11.x database on UNIX.
Jim Edward Espaillat Page -2-
Project evolved into re-designing system to support reuse of existing business logic by both PowerBuilder and
HTML/ASP (Web) clients. This was accomplished by developing modular business components and deploying them to a
Distributed PowerBuilder (DPB) server. ASP access was provided through custom COM bridge objects, written in
PowerBuilder and deployed under MTS.
Subsequent deployment effort involved the migration of PowerBuilder clients to Version 7.0, and conversion of the
server objects to run under a Sybase Enterprise Application Server (EAServer/Jaguar CTS), using a Delphinus-designed,
custom 3-tier application framework. New components were written in Java and deployed to EAServer. ASP pages were
modified to directly access EAServer via COM. Migration was undertaken as part of a company-wide effort to establish a
uniform middle tier to host common business logic across applications.
Delphinus Consulting, Bogota, New Jersey Aug 1998 - Present Consultant
Provide application design and development services to numerous small business clients. Projects include:
• Dynamic Delivery Services, South Kearny, NJ
Designed and developed an ASP.NET application to monitor EDI transaction logs. Written in C#, against a SQL
Server 2000 database.
• Independent Computer Consultants Association, Morristown, NJ
Provided ongoing administration of the Northern New Jersey Chapter’s public website, www.iccannj.org. Developed
Microsoft Access application to maintain membership information and automate the generation of HTML pages for
the site, based on templates created in HomeSite. Volunteer position.
• BrainBench, Chantilly, Virginia
Author/developer for an online PowerBuilder 9 skills evaluation exam.
• DoAll Disk Jockeys, Flanders, New Jersey
Designed and developed a disk jockey scheduling and contract management system, written in PowerBuilder 9 on
Windows XP, against a Sybase SQL Anywhere 7 database.
• myrestaurantwebsite.com, Wurtsboro, New York
Designed and developed a web (e-commerce) application to allow consumers to place restaurant orders online.
Application is customizable with the intent of re-selling the service to various restaurant clients. Written in Java
Server Pages (JSP/J2EE), running on a Tomcat servlet engine against a mySQL database. Subsequent duties
involved new customer setup and ongoing maintenance.
• ReviewNet, Jenkintown, Pennsylvania
Paid reviewer for an online PowerBuilder 7 skills evaluation exam.
• New Horizons, Concord, New Hampshire
Provided training in advanced PowerBuilder 8 techniques to the NH Dept. of Health and Human Services.
• Refund Consultants, Franklin Square, New York
Designed and developed an application to analyze water usage bills received from the City of New York. Written in
PowerBuilder 7 on Windows 98, the application uses OLE automation of Attachmate Extra! terminal software to
download data from the City’s CICS billing system. Data is then stored locally in a Sybase SQL Anywhere 7
database, and subjected to various business rules to identify potential billing discrepancies.
• Professional Software Consortium, Morristown, New Jersey
Provided database (Sybase SQL Anywhere 7) and object-oriented application design services for development of a
travel expense system, written in Visual Basic 6, for the Department of Defense.
• XO Communications, Paramus, New Jersey
Developed Microsoft Access application to assist in identifying potential customers based on proximity or
hierarchical relationships to existing customers.
• AT&T Wireless Services, Paramus, New Jersey
Developed Microsoft Word scripts to automate personnel review documents.
• Nextlink Communications, Paramus, New Jersey
Developed Microsoft Access application to assist in assigning sales territories.
• Footstar/Meldisco, Mahwah, New Jersey
Designed and implemented SAMS, a size management system to control store allocation and distribution of
merchandise on a size basis. Written in PowerBuilder 5 using a mainframe DB2 database system, the application
included extensive graphing abilities to enable users to visually identify sales patterns.
Jim Edward Espaillat Page -3-
Vitech Systems Group, New York, New York May 1995 – Aug 1998 Sr Programmer/Analyst
Designed and implemented a commercially successful software product to assist trade unions and public pensions
with the administration of member benefits. Written in PowerBuilder, and designed to work using either a Sybase or an
Oracle database server, the system is (as of mid-1998) in its third version, with five completed installations and six others in
progress.
Version 1 was originally written using PowerBuilder 4, and featured:
Powerful VCR object with user-defined query and browse capabilities.
Workflow-based design that leads users through the business process.
OLE integration with Microsoft Word for document maintenance and printing.
Dynamic, table-driven definition of visual objects, providing greater flexibility across clients.
Support for Sybase System 10/11 database servers.
Version 2 was updated to PowerBuilder 5, and featured:
Three-tiered architecture, with the business logic separated from the user and database interfaces.
Optimization of VCR object to dynamically generate server stored procedures to improve performance.
Extensive implementation of application-level and object-level services to improve developer productivity.
Version 3 featured:
Standardization of database across all clients, using a custom-designed data dictionary to define client-specific
data elements.
Added support for Oracle 7.x database servers.
Full replacement of database tier with Sybase (Transact-SQL) and Oracle (PL/SQL) stored procedures.
Use of PowerBuilder Foundation Classes.
Personally responsible for all aspects of Version 1 system, from application and database design, to development
and testing, and finally installation at two clients. Responsibility for subsequent versions gradually shifted to a technical
lead role, with an emphasis on application and database design, and extensive development involving database stored
procedures.
Meldisco, Mahwah, New Jersey Oct 1992 – May 1995 Programmer/Analyst
Designed and implemented systems for various facets of retail operation. Performed major overhaul on design of
the foreign store operations system, written in PowerBuilder 4 against a Watcom database, resulting in significant
performance improvements. Developed RASTA application, in PowerBuilder 4 and XDB, to assist in geographic and
seasonal inventory analysis.
Mainframe projects on the IBM System 390 included automatic distribution (COBOL 2), demographic store
allocations (COBOL 2/DB2/CICS), sales analysis (COBOL 2/DB2/CICS) and reporting (COBOL 2/DB2), and operations
support (COBOL 2/DB2).
Formal Education
SetFocus, Parsippany, New Jersey
Master’s Program in .NET
Chubb Institute, Jersey City, New Jersey
Diploma in Computer Programming
Arizona State University, Tempe, Arizona
Graduate program in Zoology
Cell and Developmental Biology Predoctoral Fellowship
University of Pennsylvania, Philadelphia, Pennsylvania
Bachelor of Arts in Biology
Benjamin Franklin Scholars/General Honors Program Certificate
Jim Edward Espaillat Page -4-
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