Hình đại diện của lavr
Làm thành viên từ Ngày 21 tháng 02 năm 2007
0 Đề xuất


Trực tuyến Ngoại tuyến
I am professional in .NET + MS SQL 2005+ stack, mostly working on the web projects. Also I have good experience in various integrations with payment systems, social networks and medical providers (insurance, patient tracking etc).
$28 USD/Giờ
các đánh giá về 98
  • 91%Công việc đã Hoàn thành
  • 100%Đúng ngân sách
  • 100%Đúng hạn
  • 26%Tỉ lệ thuê lại


Các nhận xét gần đây

  • hình của qna 529882 SQL Job Product Feed $100.00 USD

    “thanks again, job well done.”

  • hình của qna 528851 SQL Query Fixing $45.00 USD

    “Came in fast for the rescue. Thank you, will use again”

  • hình của bnick118 525926 ASP .Net Console App $150.00 USD

    “UNBELIEVABLE! Lavr totally understood the project specs and did the job exactly right the first time and WAY faster than I could have imagined! GREAT WORK! HIRE THIS PROGRAMMER!”

  • hình của qna 524777 SQL Mail $100.00 USD

    “Very fast, very good, will use againthank you”

  • hình của casinomania 206262 Script Modification $100.00 USD

    “Lavr is EXCELLENT programmer and very easy to work with and his communication skills are EXCELLENT and very important. He modified my site in less than few days. Thank you Lavr”

  • hình của vaderjm 190159 License Server ASP Webpage $300.00 USD

    “Lavr worked with me to complete the project very nicely, and he was on time with his work. I would recommend him for other projects. He did what I needed and was nice to work with.”

Trải nghiệm

Development team leader

Nov 2009

- Leadership to the development team, writing of most-important modules like video conferencing, load-balancing architecture for MS SQL Servers as well as web servers. - Code review for C# in Windows and [url removed, login to view] and partially C++. - Designing solutions for NAT traversal, including STUN and XMPP technologies. - Working-out of the video conferencing between heterogeneous sources (DirectShow and SIP). - Developing of data storage based on encrypted containers like TrueCrypt, adapting it to x64 environment.


Jun 2008 - Jan 2009 (7 months)

- Reports in Visual Studio 2008 Reporting Engine (Crystal Reports) and its implementation in user interface. - Connection of the system with ACS and BOLD specification. - Improvements on user interface at [url removed, login to view] 3.5.


Sep 2007 - Mar 2011 (3 years)

Developed and maintained Questionnaires Processing System to enhance client satisfaction while providing significant cost savings to the company.


May 2007 - May 2012 (5 years)

- Developed and maintained multi-functional web site. - Developed a number of modules written in C#, JavaScript, XML. - Integration with [url removed, login to view] data provider and other resources and partners like NNTP groups. - Developed major functionalities: head-to-head pages, schedule, players, rankings, money leaders, galleries, gear, videos. - MS SQL Server 2005 performance optimizations (saved ~90% of CPU resources). - Designed and implemented [url removed, login to view] caching policy (saved ~40% of CPU resources on dat

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