Mark A. Ludwinski **** Virginia Avenue

Manassas, Virginia 20110

ad4gn0@r.postjobfree.com

703-***-****

Looking for a .Net developer position. Experienced in all phases of development and publishing of website software both front and back end.

Languages

C#/.NET 4.x/ VB/ASP.net

Javascript / Angular

jQuery NodeJS

Visual Basic/VBA

HTML/CSS/Bootstrap

Databases

SQL

MS SQL Server

Access

Clipper/DB2

Oracle / Toad

Operating Systems

Microsoft Windows

UNIX

VAX/VMS

EXPERIENCE

TekSystems remote for U.S. Capitol Police (Sep 2022 – present)

Developer maintained and tuned web database api. Modified search routine to improve performance from 18 seconds to 5 seconds on report lookup. Maintained Powershell scripts that ran daily. Created report data from web pages. Converted applications from Access to MVC.

Hunatek at US Army JAG at Fort Belvoir (Apr 2019 – Aug 2022)

Full stack .Net Developer/Website Developer MVC, SQL, jquery, html, css. Converting legacy Domino applications to web based MVC format. Incldes creating SQL tables from Notes data and full software redesign. Converted project from .Net 3.1 to .Net Core. Rewrote legacy apps in Angular to mitigate end of life scenario. Published .Net Core Web App (MVC) on Azure.

Fisher Auto Parts Manassas, VA (Sep 2016 – Feb 2019)

.Net Developer/Website Developer

Part of an Agile development team working remotely to support full backend/front end parts managements and point of sale system. Building web pages and web services in C#/VB to return JSON data to request client. Program client side app to get data from service and use the JSON data in Angular/jQuery/NodeJS to display vital information.

Converting old VB6 application to modern .Net application. User input pages, reports, backend SQL processes from VB6 code to C# and angular, HTML, jquery.

USDA Washington, DC (Aug 2015 – Sept 2016)

Website Developer

Part of an Agile development team that performs development as well as unit and integration tests on code major website. Website is critical for management of documents, training and procedures.

Perform application development, as well as planning, scheduling, development, and implementation of back-end data management. Using Visual Studio 2012 with ASP.net/JQuery/C#/Webforms. NET Framework 3.5, 4.0, 4.52;

Independent Contractor Northern VA (January 2015-July 2015)

Various web development projects for multiple clients using HTML/CSS/jQuery and other web development tools such as Visual Studio and DotNetNuke.

United States Postal Service Merrifield, VA (March 2006 – December 2014)

Full time Contractor Developer .Net

Working within Agile process for web page development using C#, Visual Basic, SQL, Javascript, ASP.net and .NET4.x system.

Using C#/VB.net in Visual Studio wrote an application that listened for an address and returned a route number. Designed and coded 7 more support applications with user friendly Windows API in C#/Visual Studio.

Managed software that stored and forwarded collection data of 40,000 retail units. Developed data collection application for touch screen hand held computer. Developed C# application to take data from Access database, manipulated and entered into MS Excel.

Nuclear Regulatory Commission Rockville, MD (February 2004 – March 2006)

Full time Contractor

Analyze, maintain, debug and document legacy code systems for redesign to Windows environment. Assist in implementation of code management software and quality assurance procedures. Support customer specific billing, accounts payable/receivable software.

United States Postal Service Merrifield, VA (August 2002 – June 2004)

Part time Contractor

Designed and developed software on Symbol handheld device (with scanner) for data collection. Traveled to data collection sites for collection of test data. Collected data at various postal sites and entered into Access database.

United States Postal Service Merrifield, VA (October 1991-August 2002)

Full time Contractor / Business Project Leader

Designed, implemented and maintained Post Office box collections system in Clipper. Project included migrating data from 56 sites in 35 different formats to a Clipper database.

Program Management/lead programmer for retail consolidation unit (RCU) software releases. Applications analysis and programming for the RCU application operating on the COMPAQ Alpha Cluster platform. Support includes resolving communication and data problems between the RCU and multiple interfaces incoming and outgoing. Evaluate change requests and problem reports, set development schedules, schedule resources, establish time lines and report progress for releases. Manage the development of customized install kits, create new applications, modify existing applications, perform analysis and create change requests to resolve problems, modify software as problems are discovered by test, pilot sites, or field sites.

Route inspection software: responsible for design, development, implementation and testing of the computer software system as the development team leader for all aspects of software product development. Performed training for users on software system.

MCI Consultant McLean, VA (March 1989 - September 1991)

Communications software engineer

Designed, implemented, and maintained a user friendly X-windows API for existing software. Generated DCL command files based on user option selection. Created application to display .GIF graphics on a Unix workstation using Windows. Developed Windows API for station-to-station communications. Maintained various communication (X.25, Decnet, Ethernet) interfaces. Implemented Decnet software for communication of call messages. Created new fraud algorithm to detect phone fraud. Created rapid process to process in memory communication scheme.

MILITARY

U.S. Navy (April 1979 - April 1985)

As a Reactor Operator/Electronics Technician was assigned to the USS Truxton Reactor Controls division and the Engineering training division. While an instructor developed programs in Apple basic to simulate reactor operations to stimulate training.

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