and invite this freelancer
Flag of Russian Federation St. Petersburg, Russian Federation
Member since August, 2012

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4.9 / 5
5.7 / 10

@sergeydm

  • 64%Jobs Completed
  • 100%On Budget
  • 100%On Time
  • 6%Repeat Hire Rate

Recent Exams

  • C# 1 Top 3%
    93%
  • US English Level 1 Top 66%
    80%

Top Skills

  • C# Programming
  • .NET
  • C Programming
  • Engineering
  • Electronics
  • SQL
  • Software Architecture
  • Javascript
  • Algorithm
  • Silverlight
  • XML
  • AJAX
  • Verilog / VHDL
  • Microcontroller
  • Paypal API
  • Software Testing
  • IIS
  • PCB Layout
  • AutoCAD
  • Windows API

Recent Reviews

  • image of RTCServices Create activex component $150.00 USD

    “Great job, work completed quickly.”

    RTCServices Flag of United States 1 year ago.
    • Javascript
    • C# Programming
  • image of pepeprawns EventLog Monitor $111.00 USD

    “What a wonderful experience. What I got was much better then what I asked for. He was really able to fill in the blanks of my request and was extremely timely.”

    pepeprawns Flag of United States 1 year ago.
    • C Programming
    • C# Programming
    • Software Architecture
    • Microsoft
  • image of enigmaelectronic Minimum component Video Text overlay (OSD) [Sealed]

    “Excellent response and the project meets all my requirements, in fact exceeded my expectations in many ways.”

    enigmaelectronic Flag of United Kingdom 1 year ago.
    • Translation
    • Engineering
    • Electronics
    • Embedded Software
    • Videography
  • image of ravitol Upgrade Fabrikam Shipping $150.00 USD

    “Sergey is the best !!!”

    ravitol Flag of United States 2 years ago.
    • C# Programming
    • Hire me
  • image of marcionetopen MT47H64M16HR-25:H DDR2 Design Review for an AT91sam9M10 based processor $200.00 USD

    “Excelent profissional Good English! Certainly I will hire him again!”

    marcionetopen Flag of Brazil 2 years ago.
    • Engineering
    • Electronics
  • image of halleysoftworks C# Receive and Process SNMP Traps from Symantec OpsCenter [Sealed]

    “A rare combination of technical expertise, great communication and elegant design. highly recommended.”

    halleysoftworks Flag of United States 2 years ago.
    • C# Programming

Experience

Freelancer

Dec 2012

- Silverlight 5 TWAIN support library. - SNMP alert processor for Symantec OpsCenter. - Fabricam Shipping demo upgrade, extension and deployment (Windows Azure platform).

System architecture designer and programmer (remote work)

Jan 2009 - Dec 2012 (3 years)

Web project - service for online video selling (rent). Designed cloud based (Windows Azure) architecture of service, database, implemented backend and administration tools: - Silverlight upload application with muliupload and resuming capabilities - Multiserver video transcoding, protection and storing (wmv, mp4, mov to h264 smooth streaming with PlayReady DRM and Apple HTTP streaming with encryption stored in Azure blob storage with CDN) - Silverlight (Windows) and HTML5 (iOS) ext

Freelancer

Jan 2008 - Jan 2009 (1 year)

Most interesting projects: - Web project http://www.auto-pics.com. Developed multi-tier data backend, full-ajax web site (excluding design) with nice scalable photo presentation, silverlight administration and content management, SOAP and REST automobile catalog API. - .NET library for management of embedded meta information (such as title, album name, duration etc). Supports many different formats: avi, wav, wmv, wma, mp3, ogg, flac, qt, mov, mpg and others. - .NET WPF application for calculation of the

Software optimization

Jan 2007 - Jan 2008 (1 year)

- SSE optimization of MPEG2, h264 codecs developed by company for 32 and 64 bit Intel processors. - H264 DirectShow DMO video decoder

System architecture designer, software/hardware developer

Jan 2001 - Jan 2007 (6 years)

Development and production of video broadcasting equipment such as audio/video distribution amplifiers, crosspoints, switchovers, synchronizers, capture/playback, measurement. Development of automated broadcasting solutions. Most complexity projects: PCI multichannel card for SDI capturing/playback - Developed full schematic design based on Altera Stratix PLD, 128MB of DDR2 SDRAM, Philips Video Decoder SAA 7111 for PAL capturing. - Developed full PLD design on AHDL including multichannel DDR SDRAM C

Embedded system developer

Jan 1997 - Jan 2001 (4 years)

Hardware/software solutions for control and measurement. Automated testing and calibration system for production of semiconductor pressure sensors - Designed and implemented schematics and on-board software of data communication boards interfacing with PC by RS-485. Real-time micro operation system for Microchip's PIC17-based board - Designed architecture of system. - Implemented all components using PIC17 assembler.

Education

M.S. in Technics & Technologies

1992 - 1998 (6 years)

Badges

  • Fast Responder

    Bid within 2 minutes of a project being listed.
  • The Regular

    Log in every day for 1 week.
  • The Spartan

    Bid on 300 projects.
  • Proven Identity

    Complete your Email, Phone and Payment verifications.
  • Feedback Guru

    Receive 10 reviews
  • The Critic

    Post 10 Reviews.
  • The Economist

    Complete 10 projects on budget.
  • The Enforcer

    Reporting a project or contest that violates our terms of service.
  • The Verified

    Verify your payment method
  • Simply the Best

    Complete 5 or more projects, with a 95% completion rate.
  • Warren Buffet

    Complete a project worth over $1000 USD.
  • US English Qualified

    Pass the US English Exam (Level 1)
  • The Collector

    Reach a balance of 5,000 credits.
  • Smart Money

    Create 10 Milestones.
  • High Roller

    Complete a project worth over $500USD (or equivalent) on Freelancer.com.
  • The Seeker

    Bid on 20 projects.
  • The Perfectionist

    Edited a bid.
  • All Star

    Receive a 5-star rating for a project.
  • The Adventurer

    Complete your first project.
  • Warren Buffet

    Complete a project worth over $1000 USD.
  • The Collector

    Reach a balance of 5,000 credits.
  • The Spartan

    Bid on 300 projects.
  • The Economist

    Complete 10 projects on budget.
  • Simply the Best

    Complete 5 or more projects, with a 95% completion rate.
  • Smart Money

    Create 10 Milestones.
  • High Roller

    Complete a project worth over $500USD (or equivalent) on Freelancer.com.
  • All Star

    Receive a 5-star rating for a project.
  • Fast Responder

    Bid within 2 minutes of a project being listed.
  • The Regular

    Log in every day for 1 week.
  • Proven Identity

    Complete your Email, Phone and Payment verifications.
  • Feedback Guru

    Receive 10 reviews
  • The Critic

    Post 10 Reviews.
  • The Enforcer

    Reporting a project or contest that violates our terms of service.
  • The Verified

    Verify your payment method
  • US English Qualified

    Pass the US English Exam (Level 1)
  • The Seeker

    Bid on 20 projects.
  • The Perfectionist

    Edited a bid.
  • The Adventurer

    Complete your first project.