Profile image of xmas4vworker
@xmas4vworker
Flag of Russian Federation St.Petersburg, Russian Federation
Member since October, 2003
2 Recommendations

x-mas

PhD (computer science), coder, developer, architector, researcher, reverser. Development experience 12+ years: low level (drivers) programming, Security systems, networks, access/billing systems Windows, Linux, FreeBSD, HPUX, etc., Crypto systems (driver or app level, CSP, e-keys), Network, FS, device filtering, hooks, injects, client-server, reverse engineering, disassembling (ida,olly,windbg), etc. Web devs (VPS, hosting, CMS, browser plugins). Can include 2-3 developers for very complicated or fast projects. Technologies (expert in): Driver development: File System filters (incl. Filter Manager), minidrivers, network, NDIS, TDI, device mounting, native + API hooking, injecting, 3rd party drivers hooking, reverse engineering, etc. Low level programming: Native API (ntdll), hooks, injecting additional code, Win32, x64. Reverse engineering: patching, modification (new functionality) without source codes, diassembling, decrypting, etc. (if it is legal) Tablet PC (PDA): Windows CE, Mobile, Windows RT applications. Misc: web apps, net programming (winsock, netbios), client-server, ActiveX, COM, OLE, automation (MS Office), GUI effects (skins, custom). Databases: Microsoft SQL Server, SQLite (+QT support), Access XP-2012/360. Solutions Development Technologies: Microsoft DDK, WDK, IFS Kit, HST Tools, Verifier, OAC, x64 signining Microsoft .Net Studio Microsoft Visual Studio 6.0 - 2013, GCC, QT (cross platform), C/C++ Builder, MS Embedded Visual Tools, Programming languages: C/C++, QT, SQL, Asm (+x64), VBscript, javascript, php, phyton, HTML, XML Operating System: Microsoft Windows XP, 2003, Vista, 2008, Win 7, Win 8, 10, [all incl x64], Windows RT Microsoft Windows CE(Mobile)/RT/Surface Unix: Linux, FreeBSD, HPUX, Solaris

$25 USD/hr
56 Reviews
7.3
  • 98%Jobs Completed
  • 100%On Budget
  • 100%On Time
  • 56%Repeat Hire Rate

Recent Reviews

  • image of samwhise Software updater $1050.00 USD

    “Great job, good communication, excellent expert in WinAPI.”

    samwhise Flag of United States 1 month ago.
    • .NET
    • Windows Desktop
    • C# Programming
    • C++ Programming
    • Windows API
  • image of JanSmet C++ Programming - multithreading €555.00 EUR

    “Excellent skills, great communication, would hire again without hesitation!”

    JanSmet Flag of Belgium 8 months ago.
    • C Programming
  • image of elus1ve Smart File Assistant UI $1789.00 CAD

    “Talented developer and great to work with. Developer of his skill is not easy to find.”

    elus1ve Flag of Canada 1 year ago.
    • C++ Programming
    • Hire me
  • image of elus1ve Monitoring File Activities $2111.00 CAD

    “Competent person that will make sure that the deliver corresponds to the customer's requirements even if it takes multiple tries.”

    elus1ve Flag of Canada 1 year ago.
    • Software Architecture
    • Software Development
  • image of samwhise Addon development $150.00 USD

    “And again, excellent job, highly professional. Thank you”

    samwhise Flag of United States 1 year ago.
    • Windows Desktop
    • C++ Programming
    • Hire me
    • Windows API
  • image of samwhise Changes to existing projects $150.00 USD

    “Excellent work again. Thanks.”

    samwhise Flag of United States 1 year ago.
    • Windows Desktop
    • C++ Programming
    • Hire me

Badges

  • Mover and Shaker

    Create 50 Milestones.
  • Simply the Best

    Complete 5 or more projects, with a 95% completion rate.
  • Feedback Guru

    Receive 10 reviews
  • Perfectionist

    Receive 5-star ratings in 90% of your completed projects (minimum 10 projects).
  • Warren Buffet

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

    Post 10 Reviews.
  • Smooth Operator

    Complete 10 projects on time.
  • The Economist

    Complete 10 projects on budget.
  • High Roller

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

    Log in every day for 1 week.
  • Smart Money

    Create 10 Milestones.
  • Quick Pick

    Award your project within 24 hours of posting
  • The Giver

    Award your project to a Freelancer.
  • The Prospector

    Post your first project.
  • The Seeker

    Bid on 20 projects.
  • All Star

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

    Complete your first project.
  • Nine-to-Fiver

    Win a project and accept the offer.
  • The Perfectionist

    Edited a bid.
  • The Collector

    Reach a balance of 5,000 credits.
  • Mover and Shaker

    Create 50 Milestones.
  • Warren Buffet

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

    Reach a balance of 5,000 credits.
  • Simply the Best

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

    Receive 5-star ratings in 90% of your completed projects (minimum 10 projects).
  • Smooth Operator

    Complete 10 projects on time.
  • The Economist

    Complete 10 projects on budget.
  • High Roller

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

    Create 10 Milestones.
  • All Star

    Receive a 5-star rating for a project.
  • Feedback Guru

    Receive 10 reviews
  • The Critic

    Post 10 Reviews.
  • The Regular

    Log in every day for 1 week.
  • Quick Pick

    Award your project within 24 hours of posting
  • The Giver

    Award your project to a Freelancer.
  • The Prospector

    Post your first project.
  • The Seeker

    Bid on 20 projects.
  • The Adventurer

    Complete your first project.
  • Nine-to-Fiver

    Win a project and accept the offer.
  • The Perfectionist

    Edited a bid.

My Top Skills

  • Software Architecture 52
  • Windows Desktop 26
  • Microsoft 16
  • C Programming 10
  • Linux 8
  • C++ Programming 8
  • Web Security 7
  • UNIX 7
  • Computer Security 5
  • Windows API 3
  • .NET 2
  • Assembly 2
  • Academic Writing 1
  • x86/x64 Assembler 1
  • Embedded Software 0
  • Cryptography 0
  • Windows Server 0
  • Windows Phone 0
  • Windows 8 0
  • BSD 0

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