Worked on a Remote Monitoring System for connected devices using IoT (Internet of Things) ThingWorx Platform services.Used Thingworx .net SDK to write a C#, windows service based agent/gateway that connected smart devices like Mass Spectrometer instruments including acquisition workstation (PC desktop), Liquid Chromatography peripherals and pumps to Thingworx cloud services. These devices are intended to do analytical diagnostics in pharma, food, environmental, and forensics fields of research. Sensors' readbacks of these devices are sent to ThingWorx Platform back-end on a periodic basis which could trigger server side events like raising Alarms when certain conditions are met. Custom business logic was written on ThingWorx Platform using JavaScript and Java programming languages which enabled integration with enterprise systems like email notification, creating service record for Service department to start troubleshooting process and to eventually dispatch a service engineer to the client location to service connected instruments and peripherals.

Worked as a senior .net application developer in Transaction and Compliance department on a number of LOB applications in SEC (Security Exchange Commission) XBRL financial reporting space:1. Production Manager, an internal batch, multi-processing (multi core), application used for full servicing clients (hundreds of public companies our company serviced) that provided complex reporting on XBRL taxonomy file set. As a final result Excel, PDF and .HTML reports were produced. In order to produce .HTML report, there was an integration with an open source library Arelle written in Python and though my close cooperation with a lead developer of this tool a windows executable (.exe) was created and later incorporated in this application.Technologies used: Visual Studio 2013/ 2015, C#.net, ABCpdf and Syncfusion .net libraries, XSD, XML, XLink .net libraries, WiX library to generate installation package. Windows forms and Internet explorer Web browser component was used as a GUI.Architecture was based on DDD (Domain Driven Development) and SOLID principles.2. XBRL Merge tool, 10Q and 10K reports merging3. Created a working prototype for Biztalk replacement of Scanless Forkflow (paperless documents conversion and PDF appending service). New messaging pipeline was created using WCF and WF workflow frameworks that used existing MSMQ queues. Live demo showed how to completely eliminate expensive Biztalk licensing and a number of application servers.- Involved in evaluation of integration Platform as a Service (iPaaS) like Microsoft Logic Apps and Mulesoft.- Created a prototype of Scanless Workflow on Mulesoft platform to compare it with WCF and WF prototype.- Trained in unit testing, mocking, DDD, iPaaS Mulesoft (Fundamentals and Designing APIs with Anypoint Platform), Angular 2/4, Ionic 3, Restful Web API service using specifications for developing APIs: Swagger and RAML.

- Worked as a developer on LPS Desktop enterprise management application’s backend data processing systems - foreclosure services. LPS Default Solutions enables servicers to reallocate staff from foreclosure and bankruptcy tasks to loss mitigation, collections, and borrower contact programs.- Created and maintained batch jobs/ETL processes designed in a generic way to accommodate a number of clients or a specially designed import processes for specific clients. For example, clients could send an archive file (.zip) with an index file (usually .xml or .txt file containing metadata about associated loan documents) and hundreds or thousands of loan documents that had .pdf, .tif, .xml, .mdb and other extensions. The custom ETL process (.NET application) would extract the archive to a temporary location, open index file and read it line by line, analyze line input data and load metadata about loans into a SQL Server database and later a second process would run to upload loan documents to an imaging database. There are an extensive file type conversion processing happening and all supported formats are converted to a .pdf extension. These loans and their associated .pdf files can later be retrieved, printed by attorneys, servicers or vendors.- Created an VB.NET ASP.NET MVC 3 web application for CRUD management of backend SQL Server 2005 database tables that are used for staging of loan referral data.- Worked on support issues that were reported thought an email error reporting and file logging mechanism.- Incorporate advanced application logging using NLog open source library replacing existing Microsoft Enterprise library.

- Worked on a few ETL projects that involved parsing input flat files containing order data with a complex layout and uploading parsed data into standardized production database tables used by internal systems. The company created a proprietary file definition format containing order and order detail information used by its clients in B2B data exchanges.- Incorporated multithreading and publisher /subscriber pattern to drastically improve data load speeds into production database (from 4 hours to 4 minutes for 100.000 records). Staging tables were utilized to enable fast SQL Server bulk load operations using multiple threads and then row set operations were utilized to copy data from staging to production databases. - SSIS packages were used for exporting data and an evaluation of using SSIS packages was done for importing data.- Technologies: SQL Server 2005, C#.NET, Visual Studio 2010, SSIS and FileHelpers library for ETL.