Experience

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  Landmark group holdings, inc.

  Apr 2002 - Dec 2011

  Sr software engineer

  Designed , developed and implemented systems, applications and their components for online shared databases (10s of millions records, 24/7 accessed) and distributed payment processing networks, internal risk management system, utilizing wide set of technologies and instruments. Designed and developed new and enhanced and improved existing desktop and web based frontend and backend applications and components to access data, to provide billing, reports, statistical analysis, scheduled updates, data mining and automated maintenance tasks.Provided ongoing maintenance, performance tuning for production databases and systems, developed and implemented complex structures and stored procedures, including extended stored procedures;Planned and executed data migration and conversion projects using original real-time incremental techniques with no impact to customers, developed proper scripts and custom utilities for data transfer and conversion on DB2, Interbase/Firebird, SQL Server.Developed solutions to integrate payment networks with third party processors using web services WCF, REST and protocols JSON, XML, HTTPS and/or ISO8583.Participated in 24/7 technical support and maintenance, intensively worked on production bug fixes, features design and development, significantly reducing the volume of support tickets from 10s/day to 1s/week;Designed and developed a middleware layer to convert the company' core business in-house 2-tier client-server system to multi-tier system with scalable, web services based architecture, significantly lowering the cost of maintenance, licensing and support for the company. Designed and implemented new touch-screen UI for the company's flagman front end application, implemented innovative features to improve and speed up the end users experience with the data entry processes and decision making workflows.Designed and developed systems and applications for online profiles management, with biometric and picture identification features Show less

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  Check holdings, llc

  Jan 2012 - Nov 2013

  Sr software engineer

  The new company took over Landmark Group Holdings's assets and clients base.Worked with new team to design and develop centralized repositories, integration and migration projects using DebtMaster, MS Dynamics GP, MS SQL Server 2008, planned and successfully executed a seamless data migration of company's database to new data center.Developed backend API solutions using ASP.NET MVC, Web API, JSON to support wide set of features of company' new payment platform and its desktop, web and mobile client applications.Planned and executed data migration and conversion projects, developed proper scripts and custom utilities for data transfer and conversion on Firebird and MS SQL Server.Developed certified solutions to integrate the payment platform with third party payment networks like Intuit, IPCommerce, Vantiv, Verifone Payware, ACHWorks, using web services WCF, REST and protocols JSON, XML, NVP, HTTPS. Show less

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  Rnd mobile

  Nov 2013 - Jun 2014

  Software architect and developer, software project management

  RnD Mobile is helping local startups to build their cloud ready, cost effective software fundations. We bring in our wide experience in developing highly scalable, secure and robust software systems and our cloud solutions, based on MS Windows Azure and Amazon services.Working as Software Architect, Project Manager on startups projects on the edge of technologies, utilizing MS Windows Azure, MS SQL Server, .NET, WebAPI, REST, JSON, JSONP, XML, Javascript, JQuery.

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  P97 networks

  Aug 2014 - Jan 2019

  Sr software engineer

  Worked as a Sr Software Engineer and Technical Architect on integration of company’s core mobile commerce and Point of Sale (POS) services with Dynamics A365 Retail.- Worked with Microsoft, Accenture and Avanade teams on MS Dynamics 365 PoC projects for major fuel retail brands in US, Canada, South Asia- Deployed, supported and presented company’s mobile commerce platform and Dynamics 365 POS solution at Microsoft Retail Experience Center in Redmond, WA- Designed and developed customized solutions for Dynamics 365 Retail applications including Modern POS/Cloud POS, Retail Server CRT, Hardware Station, using Retail SDK, Azure, C#, SQL, Typescript, Javascript, Knockout, ASP.NET MVC/Web API, SignalR, TCP/IP, WCF, XML and leveraging retail fuel industry communication standards (e.g Conexxus IFSF)- Designed and developed solutions to integrate third party payment services into Microsoft Dynamics 365 retail applications- Designed/developed tools/applications for performance/scalability testing and simulations Show less

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  Avanade

  May 2019 - Jan 2025

  Mgr, erp sw architect

  Worked in great teams with great people on multiple Microsoft Dynamics 365 Commerce and ECommerce, Microsoft Azure integration projects for clients across US and worldwide.